diff --git a/vendor/github.com/mitchellh/hashstructure/LICENSE b/vendor/github.com/mitchellh/hashstructure/LICENSE new file mode 100644 index 0000000000..a3866a291f --- /dev/null +++ b/vendor/github.com/mitchellh/hashstructure/LICENSE @@ -0,0 +1,21 @@ +The MIT License (MIT) + +Copyright (c) 2016 Mitchell Hashimoto + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +THE SOFTWARE. diff --git a/vendor/github.com/mitchellh/hashstructure/README.md b/vendor/github.com/mitchellh/hashstructure/README.md new file mode 100644 index 0000000000..28ce45a3e1 --- /dev/null +++ b/vendor/github.com/mitchellh/hashstructure/README.md @@ -0,0 +1,65 @@ +# hashstructure [![GoDoc](https://godoc.org/github.com/mitchellh/hashstructure?status.svg)](https://godoc.org/github.com/mitchellh/hashstructure) + +hashstructure is a Go library for creating a unique hash value +for arbitrary values in Go. + +This can be used to key values in a hash (for use in a map, set, etc.) +that are complex. The most common use case is comparing two values without +sending data across the network, caching values locally (de-dup), and so on. + +## Features + + * Hash any arbitrary Go value, including complex types. + + * Tag a struct field to ignore it and not affect the hash value. + + * Tag a slice type struct field to treat it as a set where ordering + doesn't affect the hash code but the field itself is still taken into + account to create the hash value. + + * Optionally specify a custom hash function to optimize for speed, collision + avoidance for your data set, etc. + + * Optionally hash the output of `.String()` on structs that implement fmt.Stringer, + allowing effective hashing of time.Time + +## Installation + +Standard `go get`: + +``` +$ go get github.com/mitchellh/hashstructure +``` + +## Usage & Example + +For usage and examples see the [Godoc](http://godoc.org/github.com/mitchellh/hashstructure). + +A quick code example is shown below: + +```go +type ComplexStruct struct { + Name string + Age uint + Metadata map[string]interface{} +} + +v := ComplexStruct{ + Name: "mitchellh", + Age: 64, + Metadata: map[string]interface{}{ + "car": true, + "location": "California", + "siblings": []string{"Bob", "John"}, + }, +} + +hash, err := hashstructure.Hash(v, nil) +if err != nil { + panic(err) +} + +fmt.Printf("%d", hash) +// Output: +// 2307517237273902113 +``` diff --git a/vendor/github.com/mitchellh/hashstructure/hashstructure.go b/vendor/github.com/mitchellh/hashstructure/hashstructure.go new file mode 100644 index 0000000000..ea13a1583c --- /dev/null +++ b/vendor/github.com/mitchellh/hashstructure/hashstructure.go @@ -0,0 +1,358 @@ +package hashstructure + +import ( + "encoding/binary" + "fmt" + "hash" + "hash/fnv" + "reflect" +) + +// ErrNotStringer is returned when there's an error with hash:"string" +type ErrNotStringer struct { + Field string +} + +// Error implements error for ErrNotStringer +func (ens *ErrNotStringer) Error() string { + return fmt.Sprintf("hashstructure: %s has hash:\"string\" set, but does not implement fmt.Stringer", ens.Field) +} + +// HashOptions are options that are available for hashing. +type HashOptions struct { + // Hasher is the hash function to use. If this isn't set, it will + // default to FNV. + Hasher hash.Hash64 + + // TagName is the struct tag to look at when hashing the structure. + // By default this is "hash". + TagName string + + // ZeroNil is flag determining if nil pointer should be treated equal + // to a zero value of pointed type. By default this is false. + ZeroNil bool +} + +// Hash returns the hash value of an arbitrary value. +// +// If opts is nil, then default options will be used. See HashOptions +// for the default values. The same *HashOptions value cannot be used +// concurrently. None of the values within a *HashOptions struct are +// safe to read/write while hashing is being done. +// +// Notes on the value: +// +// * Unexported fields on structs are ignored and do not affect the +// hash value. +// +// * Adding an exported field to a struct with the zero value will change +// the hash value. +// +// For structs, the hashing can be controlled using tags. For example: +// +// struct { +// Name string +// UUID string `hash:"ignore"` +// } +// +// The available tag values are: +// +// * "ignore" or "-" - The field will be ignored and not affect the hash code. +// +// * "set" - The field will be treated as a set, where ordering doesn't +// affect the hash code. This only works for slices. +// +// * "string" - The field will be hashed as a string, only works when the +// field implements fmt.Stringer +// +func Hash(v interface{}, opts *HashOptions) (uint64, error) { + // Create default options + if opts == nil { + opts = &HashOptions{} + } + if opts.Hasher == nil { + opts.Hasher = fnv.New64() + } + if opts.TagName == "" { + opts.TagName = "hash" + } + + // Reset the hash + opts.Hasher.Reset() + + // Create our walker and walk the structure + w := &walker{ + h: opts.Hasher, + tag: opts.TagName, + zeronil: opts.ZeroNil, + } + return w.visit(reflect.ValueOf(v), nil) +} + +type walker struct { + h hash.Hash64 + tag string + zeronil bool +} + +type visitOpts struct { + // Flags are a bitmask of flags to affect behavior of this visit + Flags visitFlag + + // Information about the struct containing this field + Struct interface{} + StructField string +} + +func (w *walker) visit(v reflect.Value, opts *visitOpts) (uint64, error) { + t := reflect.TypeOf(0) + + // Loop since these can be wrapped in multiple layers of pointers + // and interfaces. + for { + // If we have an interface, dereference it. We have to do this up + // here because it might be a nil in there and the check below must + // catch that. + if v.Kind() == reflect.Interface { + v = v.Elem() + continue + } + + if v.Kind() == reflect.Ptr { + if w.zeronil { + t = v.Type().Elem() + } + v = reflect.Indirect(v) + continue + } + + break + } + + // If it is nil, treat it like a zero. + if !v.IsValid() { + v = reflect.Zero(t) + } + + // Binary writing can use raw ints, we have to convert to + // a sized-int, we'll choose the largest... + switch v.Kind() { + case reflect.Int: + v = reflect.ValueOf(int64(v.Int())) + case reflect.Uint: + v = reflect.ValueOf(uint64(v.Uint())) + case reflect.Bool: + var tmp int8 + if v.Bool() { + tmp = 1 + } + v = reflect.ValueOf(tmp) + } + + k := v.Kind() + + // We can shortcut numeric values by directly binary writing them + if k >= reflect.Int && k <= reflect.Complex64 { + // A direct hash calculation + w.h.Reset() + err := binary.Write(w.h, binary.LittleEndian, v.Interface()) + return w.h.Sum64(), err + } + + switch k { + case reflect.Array: + var h uint64 + l := v.Len() + for i := 0; i < l; i++ { + current, err := w.visit(v.Index(i), nil) + if err != nil { + return 0, err + } + + h = hashUpdateOrdered(w.h, h, current) + } + + return h, nil + + case reflect.Map: + var includeMap IncludableMap + if opts != nil && opts.Struct != nil { + if v, ok := opts.Struct.(IncludableMap); ok { + includeMap = v + } + } + + // Build the hash for the map. We do this by XOR-ing all the key + // and value hashes. This makes it deterministic despite ordering. + var h uint64 + for _, k := range v.MapKeys() { + v := v.MapIndex(k) + if includeMap != nil { + incl, err := includeMap.HashIncludeMap( + opts.StructField, k.Interface(), v.Interface()) + if err != nil { + return 0, err + } + if !incl { + continue + } + } + + kh, err := w.visit(k, nil) + if err != nil { + return 0, err + } + vh, err := w.visit(v, nil) + if err != nil { + return 0, err + } + + fieldHash := hashUpdateOrdered(w.h, kh, vh) + h = hashUpdateUnordered(h, fieldHash) + } + + return h, nil + + case reflect.Struct: + parent := v.Interface() + var include Includable + if impl, ok := parent.(Includable); ok { + include = impl + } + + t := v.Type() + h, err := w.visit(reflect.ValueOf(t.Name()), nil) + if err != nil { + return 0, err + } + + l := v.NumField() + for i := 0; i < l; i++ { + if innerV := v.Field(i); v.CanSet() || t.Field(i).Name != "_" { + var f visitFlag + fieldType := t.Field(i) + if fieldType.PkgPath != "" { + // Unexported + continue + } + + tag := fieldType.Tag.Get(w.tag) + if tag == "ignore" || tag == "-" { + // Ignore this field + continue + } + + // if string is set, use the string value + if tag == "string" { + if impl, ok := innerV.Interface().(fmt.Stringer); ok { + innerV = reflect.ValueOf(impl.String()) + } else { + return 0, &ErrNotStringer{ + Field: v.Type().Field(i).Name, + } + } + } + + // Check if we implement includable and check it + if include != nil { + incl, err := include.HashInclude(fieldType.Name, innerV) + if err != nil { + return 0, err + } + if !incl { + continue + } + } + + switch tag { + case "set": + f |= visitFlagSet + } + + kh, err := w.visit(reflect.ValueOf(fieldType.Name), nil) + if err != nil { + return 0, err + } + + vh, err := w.visit(innerV, &visitOpts{ + Flags: f, + Struct: parent, + StructField: fieldType.Name, + }) + if err != nil { + return 0, err + } + + fieldHash := hashUpdateOrdered(w.h, kh, vh) + h = hashUpdateUnordered(h, fieldHash) + } + } + + return h, nil + + case reflect.Slice: + // We have two behaviors here. If it isn't a set, then we just + // visit all the elements. If it is a set, then we do a deterministic + // hash code. + var h uint64 + var set bool + if opts != nil { + set = (opts.Flags & visitFlagSet) != 0 + } + l := v.Len() + for i := 0; i < l; i++ { + current, err := w.visit(v.Index(i), nil) + if err != nil { + return 0, err + } + + if set { + h = hashUpdateUnordered(h, current) + } else { + h = hashUpdateOrdered(w.h, h, current) + } + } + + return h, nil + + case reflect.String: + // Directly hash + w.h.Reset() + _, err := w.h.Write([]byte(v.String())) + return w.h.Sum64(), err + + default: + return 0, fmt.Errorf("unknown kind to hash: %s", k) + } + +} + +func hashUpdateOrdered(h hash.Hash64, a, b uint64) uint64 { + // For ordered updates, use a real hash function + h.Reset() + + // We just panic if the binary writes fail because we are writing + // an int64 which should never be fail-able. + e1 := binary.Write(h, binary.LittleEndian, a) + e2 := binary.Write(h, binary.LittleEndian, b) + if e1 != nil { + panic(e1) + } + if e2 != nil { + panic(e2) + } + + return h.Sum64() +} + +func hashUpdateUnordered(a, b uint64) uint64 { + return a ^ b +} + +// visitFlag is used as a bitmask for affecting visit behavior +type visitFlag uint + +const ( + visitFlagInvalid visitFlag = iota + visitFlagSet = iota << 1 +) diff --git a/vendor/github.com/mitchellh/hashstructure/include.go b/vendor/github.com/mitchellh/hashstructure/include.go new file mode 100644 index 0000000000..b6289c0bee --- /dev/null +++ b/vendor/github.com/mitchellh/hashstructure/include.go @@ -0,0 +1,15 @@ +package hashstructure + +// Includable is an interface that can optionally be implemented by +// a struct. It will be called for each field in the struct to check whether +// it should be included in the hash. +type Includable interface { + HashInclude(field string, v interface{}) (bool, error) +} + +// IncludableMap is an interface that can optionally be implemented by +// a struct. It will be called when a map-type field is found to ask the +// struct if the map item should be included in the hash. +type IncludableMap interface { + HashIncludeMap(field string, k, v interface{}) (bool, error) +} diff --git a/vendor/github.com/stretchr/testify/mock/doc.go b/vendor/github.com/stretchr/testify/mock/doc.go new file mode 100644 index 0000000000..7324128ef1 --- /dev/null +++ b/vendor/github.com/stretchr/testify/mock/doc.go @@ -0,0 +1,44 @@ +// Package mock provides a system by which it is possible to mock your objects +// and verify calls are happening as expected. +// +// Example Usage +// +// The mock package provides an object, Mock, that tracks activity on another object. It is usually +// embedded into a test object as shown below: +// +// type MyTestObject struct { +// // add a Mock object instance +// mock.Mock +// +// // other fields go here as normal +// } +// +// When implementing the methods of an interface, you wire your functions up +// to call the Mock.Called(args...) method, and return the appropriate values. +// +// For example, to mock a method that saves the name and age of a person and returns +// the year of their birth or an error, you might write this: +// +// func (o *MyTestObject) SavePersonDetails(firstname, lastname string, age int) (int, error) { +// args := o.Called(firstname, lastname, age) +// return args.Int(0), args.Error(1) +// } +// +// The Int, Error and Bool methods are examples of strongly typed getters that take the argument +// index position. Given this argument list: +// +// (12, true, "Something") +// +// You could read them out strongly typed like this: +// +// args.Int(0) +// args.Bool(1) +// args.String(2) +// +// For objects of your own type, use the generic Arguments.Get(index) method and make a type assertion: +// +// return args.Get(0).(*MyObject), args.Get(1).(*AnotherObjectOfMine) +// +// This may cause a panic if the object you are getting is nil (the type assertion will fail), in those +// cases you should check for nil first. +package mock diff --git a/vendor/github.com/stretchr/testify/mock/mock.go b/vendor/github.com/stretchr/testify/mock/mock.go new file mode 100644 index 0000000000..4dde47d89d --- /dev/null +++ b/vendor/github.com/stretchr/testify/mock/mock.go @@ -0,0 +1,880 @@ +package mock + +import ( + "errors" + "fmt" + "reflect" + "regexp" + "runtime" + "strings" + "sync" + "time" + + "github.com/davecgh/go-spew/spew" + "github.com/pmezard/go-difflib/difflib" + "github.com/stretchr/objx" + "github.com/stretchr/testify/assert" +) + +// TestingT is an interface wrapper around *testing.T +type TestingT interface { + Logf(format string, args ...interface{}) + Errorf(format string, args ...interface{}) + FailNow() +} + +/* + Call +*/ + +// Call represents a method call and is used for setting expectations, +// as well as recording activity. +type Call struct { + Parent *Mock + + // The name of the method that was or will be called. + Method string + + // Holds the arguments of the method. + Arguments Arguments + + // Holds the arguments that should be returned when + // this method is called. + ReturnArguments Arguments + + // Holds the caller info for the On() call + callerInfo []string + + // The number of times to return the return arguments when setting + // expectations. 0 means to always return the value. + Repeatability int + + // Amount of times this call has been called + totalCalls int + + // Call to this method can be optional + optional bool + + // Holds a channel that will be used to block the Return until it either + // receives a message or is closed. nil means it returns immediately. + WaitFor <-chan time.Time + + waitTime time.Duration + + // Holds a handler used to manipulate arguments content that are passed by + // reference. It's useful when mocking methods such as unmarshalers or + // decoders. + RunFn func(Arguments) +} + +func newCall(parent *Mock, methodName string, callerInfo []string, methodArguments ...interface{}) *Call { + return &Call{ + Parent: parent, + Method: methodName, + Arguments: methodArguments, + ReturnArguments: make([]interface{}, 0), + callerInfo: callerInfo, + Repeatability: 0, + WaitFor: nil, + RunFn: nil, + } +} + +func (c *Call) lock() { + c.Parent.mutex.Lock() +} + +func (c *Call) unlock() { + c.Parent.mutex.Unlock() +} + +// Return specifies the return arguments for the expectation. +// +// Mock.On("DoSomething").Return(errors.New("failed")) +func (c *Call) Return(returnArguments ...interface{}) *Call { + c.lock() + defer c.unlock() + + c.ReturnArguments = returnArguments + + return c +} + +// Once indicates that that the mock should only return the value once. +// +// Mock.On("MyMethod", arg1, arg2).Return(returnArg1, returnArg2).Once() +func (c *Call) Once() *Call { + return c.Times(1) +} + +// Twice indicates that that the mock should only return the value twice. +// +// Mock.On("MyMethod", arg1, arg2).Return(returnArg1, returnArg2).Twice() +func (c *Call) Twice() *Call { + return c.Times(2) +} + +// Times indicates that that the mock should only return the indicated number +// of times. +// +// Mock.On("MyMethod", arg1, arg2).Return(returnArg1, returnArg2).Times(5) +func (c *Call) Times(i int) *Call { + c.lock() + defer c.unlock() + c.Repeatability = i + return c +} + +// WaitUntil sets the channel that will block the mock's return until its closed +// or a message is received. +// +// Mock.On("MyMethod", arg1, arg2).WaitUntil(time.After(time.Second)) +func (c *Call) WaitUntil(w <-chan time.Time) *Call { + c.lock() + defer c.unlock() + c.WaitFor = w + return c +} + +// After sets how long to block until the call returns +// +// Mock.On("MyMethod", arg1, arg2).After(time.Second) +func (c *Call) After(d time.Duration) *Call { + c.lock() + defer c.unlock() + c.waitTime = d + return c +} + +// Run sets a handler to be called before returning. It can be used when +// mocking a method such as unmarshalers that takes a pointer to a struct and +// sets properties in such struct +// +// Mock.On("Unmarshal", AnythingOfType("*map[string]interface{}").Return().Run(func(args Arguments) { +// arg := args.Get(0).(*map[string]interface{}) +// arg["foo"] = "bar" +// }) +func (c *Call) Run(fn func(args Arguments)) *Call { + c.lock() + defer c.unlock() + c.RunFn = fn + return c +} + +// Maybe allows the method call to be optional. Not calling an optional method +// will not cause an error while asserting expectations +func (c *Call) Maybe() *Call { + c.lock() + defer c.unlock() + c.optional = true + return c +} + +// On chains a new expectation description onto the mocked interface. This +// allows syntax like. +// +// Mock. +// On("MyMethod", 1).Return(nil). +// On("MyOtherMethod", 'a', 'b', 'c').Return(errors.New("Some Error")) +func (c *Call) On(methodName string, arguments ...interface{}) *Call { + return c.Parent.On(methodName, arguments...) +} + +// Mock is the workhorse used to track activity on another object. +// For an example of its usage, refer to the "Example Usage" section at the top +// of this document. +type Mock struct { + // Represents the calls that are expected of + // an object. + ExpectedCalls []*Call + + // Holds the calls that were made to this mocked object. + Calls []Call + + // test is An optional variable that holds the test struct, to be used when an + // invalid mock call was made. + test TestingT + + // TestData holds any data that might be useful for testing. Testify ignores + // this data completely allowing you to do whatever you like with it. + testData objx.Map + + mutex sync.Mutex +} + +// TestData holds any data that might be useful for testing. Testify ignores +// this data completely allowing you to do whatever you like with it. +func (m *Mock) TestData() objx.Map { + + if m.testData == nil { + m.testData = make(objx.Map) + } + + return m.testData +} + +/* + Setting expectations +*/ + +// Test sets the test struct variable of the mock object +func (m *Mock) Test(t TestingT) { + m.mutex.Lock() + defer m.mutex.Unlock() + m.test = t +} + +// fail fails the current test with the given formatted format and args. +// In case that a test was defined, it uses the test APIs for failing a test, +// otherwise it uses panic. +func (m *Mock) fail(format string, args ...interface{}) { + m.mutex.Lock() + defer m.mutex.Unlock() + + if m.test == nil { + panic(fmt.Sprintf(format, args...)) + } + m.test.Errorf(format, args...) + m.test.FailNow() +} + +// On starts a description of an expectation of the specified method +// being called. +// +// Mock.On("MyMethod", arg1, arg2) +func (m *Mock) On(methodName string, arguments ...interface{}) *Call { + for _, arg := range arguments { + if v := reflect.ValueOf(arg); v.Kind() == reflect.Func { + panic(fmt.Sprintf("cannot use Func in expectations. Use mock.AnythingOfType(\"%T\")", arg)) + } + } + + m.mutex.Lock() + defer m.mutex.Unlock() + c := newCall(m, methodName, assert.CallerInfo(), arguments...) + m.ExpectedCalls = append(m.ExpectedCalls, c) + return c +} + +// /* +// Recording and responding to activity +// */ + +func (m *Mock) findExpectedCall(method string, arguments ...interface{}) (int, *Call) { + for i, call := range m.ExpectedCalls { + if call.Method == method && call.Repeatability > -1 { + + _, diffCount := call.Arguments.Diff(arguments) + if diffCount == 0 { + return i, call + } + + } + } + return -1, nil +} + +func (m *Mock) findClosestCall(method string, arguments ...interface{}) (*Call, string) { + var diffCount int + var closestCall *Call + var err string + + for _, call := range m.expectedCalls() { + if call.Method == method { + + errInfo, tempDiffCount := call.Arguments.Diff(arguments) + if tempDiffCount < diffCount || diffCount == 0 { + diffCount = tempDiffCount + closestCall = call + err = errInfo + } + + } + } + + return closestCall, err +} + +func callString(method string, arguments Arguments, includeArgumentValues bool) string { + + var argValsString string + if includeArgumentValues { + var argVals []string + for argIndex, arg := range arguments { + argVals = append(argVals, fmt.Sprintf("%d: %#v", argIndex, arg)) + } + argValsString = fmt.Sprintf("\n\t\t%s", strings.Join(argVals, "\n\t\t")) + } + + return fmt.Sprintf("%s(%s)%s", method, arguments.String(), argValsString) +} + +// Called tells the mock object that a method has been called, and gets an array +// of arguments to return. Panics if the call is unexpected (i.e. not preceded by +// appropriate .On .Return() calls) +// If Call.WaitFor is set, blocks until the channel is closed or receives a message. +func (m *Mock) Called(arguments ...interface{}) Arguments { + // get the calling function's name + pc, _, _, ok := runtime.Caller(1) + if !ok { + panic("Couldn't get the caller information") + } + functionPath := runtime.FuncForPC(pc).Name() + //Next four lines are required to use GCCGO function naming conventions. + //For Ex: github_com_docker_libkv_store_mock.WatchTree.pN39_github_com_docker_libkv_store_mock.Mock + //uses interface information unlike golang github.com/docker/libkv/store/mock.(*Mock).WatchTree + //With GCCGO we need to remove interface information starting from pN
. + re := regexp.MustCompile("\\.pN\\d+_") + if re.MatchString(functionPath) { + functionPath = re.Split(functionPath, -1)[0] + } + parts := strings.Split(functionPath, ".") + functionName := parts[len(parts)-1] + return m.MethodCalled(functionName, arguments...) +} + +// MethodCalled tells the mock object that the given method has been called, and gets +// an array of arguments to return. Panics if the call is unexpected (i.e. not preceded +// by appropriate .On .Return() calls) +// If Call.WaitFor is set, blocks until the channel is closed or receives a message. +func (m *Mock) MethodCalled(methodName string, arguments ...interface{}) Arguments { + m.mutex.Lock() + //TODO: could combine expected and closes in single loop + found, call := m.findExpectedCall(methodName, arguments...) + + if found < 0 { + // we have to fail here - because we don't know what to do + // as the return arguments. This is because: + // + // a) this is a totally unexpected call to this method, + // b) the arguments are not what was expected, or + // c) the developer has forgotten to add an accompanying On...Return pair. + + closestCall, mismatch := m.findClosestCall(methodName, arguments...) + m.mutex.Unlock() + + if closestCall != nil { + m.fail("\n\nmock: Unexpected Method Call\n-----------------------------\n\n%s\n\nThe closest call I have is: \n\n%s\n\n%s\nDiff: %s", + callString(methodName, arguments, true), + callString(methodName, closestCall.Arguments, true), + diffArguments(closestCall.Arguments, arguments), + strings.TrimSpace(mismatch), + ) + } else { + m.fail("\nassert: mock: I don't know what to return because the method call was unexpected.\n\tEither do Mock.On(\"%s\").Return(...) first, or remove the %s() call.\n\tThis method was unexpected:\n\t\t%s\n\tat: %s", methodName, methodName, callString(methodName, arguments, true), assert.CallerInfo()) + } + } + + if call.Repeatability == 1 { + call.Repeatability = -1 + } else if call.Repeatability > 1 { + call.Repeatability-- + } + call.totalCalls++ + + // add the call + m.Calls = append(m.Calls, *newCall(m, methodName, assert.CallerInfo(), arguments...)) + m.mutex.Unlock() + + // block if specified + if call.WaitFor != nil { + <-call.WaitFor + } else { + time.Sleep(call.waitTime) + } + + m.mutex.Lock() + runFn := call.RunFn + m.mutex.Unlock() + + if runFn != nil { + runFn(arguments) + } + + m.mutex.Lock() + returnArgs := call.ReturnArguments + m.mutex.Unlock() + + return returnArgs +} + +/* + Assertions +*/ + +type assertExpectationser interface { + AssertExpectations(TestingT) bool +} + +// AssertExpectationsForObjects asserts that everything specified with On and Return +// of the specified objects was in fact called as expected. +// +// Calls may have occurred in any order. +func AssertExpectationsForObjects(t TestingT, testObjects ...interface{}) bool { + if h, ok := t.(tHelper); ok { + h.Helper() + } + for _, obj := range testObjects { + if m, ok := obj.(Mock); ok { + t.Logf("Deprecated mock.AssertExpectationsForObjects(myMock.Mock) use mock.AssertExpectationsForObjects(myMock)") + obj = &m + } + m := obj.(assertExpectationser) + if !m.AssertExpectations(t) { + t.Logf("Expectations didn't match for Mock: %+v", reflect.TypeOf(m)) + return false + } + } + return true +} + +// AssertExpectations asserts that everything specified with On and Return was +// in fact called as expected. Calls may have occurred in any order. +func (m *Mock) AssertExpectations(t TestingT) bool { + if h, ok := t.(tHelper); ok { + h.Helper() + } + m.mutex.Lock() + defer m.mutex.Unlock() + var somethingMissing bool + var failedExpectations int + + // iterate through each expectation + expectedCalls := m.expectedCalls() + for _, expectedCall := range expectedCalls { + if !expectedCall.optional && !m.methodWasCalled(expectedCall.Method, expectedCall.Arguments) && expectedCall.totalCalls == 0 { + somethingMissing = true + failedExpectations++ + t.Logf("FAIL:\t%s(%s)\n\t\tat: %s", expectedCall.Method, expectedCall.Arguments.String(), expectedCall.callerInfo) + } else { + if expectedCall.Repeatability > 0 { + somethingMissing = true + failedExpectations++ + t.Logf("FAIL:\t%s(%s)\n\t\tat: %s", expectedCall.Method, expectedCall.Arguments.String(), expectedCall.callerInfo) + } else { + t.Logf("PASS:\t%s(%s)", expectedCall.Method, expectedCall.Arguments.String()) + } + } + } + + if somethingMissing { + t.Errorf("FAIL: %d out of %d expectation(s) were met.\n\tThe code you are testing needs to make %d more call(s).\n\tat: %s", len(expectedCalls)-failedExpectations, len(expectedCalls), failedExpectations, assert.CallerInfo()) + } + + return !somethingMissing +} + +// AssertNumberOfCalls asserts that the method was called expectedCalls times. +func (m *Mock) AssertNumberOfCalls(t TestingT, methodName string, expectedCalls int) bool { + if h, ok := t.(tHelper); ok { + h.Helper() + } + m.mutex.Lock() + defer m.mutex.Unlock() + var actualCalls int + for _, call := range m.calls() { + if call.Method == methodName { + actualCalls++ + } + } + return assert.Equal(t, expectedCalls, actualCalls, fmt.Sprintf("Expected number of calls (%d) does not match the actual number of calls (%d).", expectedCalls, actualCalls)) +} + +// AssertCalled asserts that the method was called. +// It can produce a false result when an argument is a pointer type and the underlying value changed after calling the mocked method. +func (m *Mock) AssertCalled(t TestingT, methodName string, arguments ...interface{}) bool { + if h, ok := t.(tHelper); ok { + h.Helper() + } + m.mutex.Lock() + defer m.mutex.Unlock() + if !m.methodWasCalled(methodName, arguments) { + var calledWithArgs []string + for _, call := range m.calls() { + calledWithArgs = append(calledWithArgs, fmt.Sprintf("%v", call.Arguments)) + } + if len(calledWithArgs) == 0 { + return assert.Fail(t, "Should have called with given arguments", + fmt.Sprintf("Expected %q to have been called with:\n%v\nbut no actual calls happened", methodName, arguments)) + } + return assert.Fail(t, "Should have called with given arguments", + fmt.Sprintf("Expected %q to have been called with:\n%v\nbut actual calls were:\n %v", methodName, arguments, strings.Join(calledWithArgs, "\n"))) + } + return true +} + +// AssertNotCalled asserts that the method was not called. +// It can produce a false result when an argument is a pointer type and the underlying value changed after calling the mocked method. +func (m *Mock) AssertNotCalled(t TestingT, methodName string, arguments ...interface{}) bool { + if h, ok := t.(tHelper); ok { + h.Helper() + } + m.mutex.Lock() + defer m.mutex.Unlock() + if m.methodWasCalled(methodName, arguments) { + return assert.Fail(t, "Should not have called with given arguments", + fmt.Sprintf("Expected %q to not have been called with:\n%v\nbut actually it was.", methodName, arguments)) + } + return true +} + +func (m *Mock) methodWasCalled(methodName string, expected []interface{}) bool { + for _, call := range m.calls() { + if call.Method == methodName { + + _, differences := Arguments(expected).Diff(call.Arguments) + + if differences == 0 { + // found the expected call + return true + } + + } + } + // we didn't find the expected call + return false +} + +func (m *Mock) expectedCalls() []*Call { + return append([]*Call{}, m.ExpectedCalls...) +} + +func (m *Mock) calls() []Call { + return append([]Call{}, m.Calls...) +} + +/* + Arguments +*/ + +// Arguments holds an array of method arguments or return values. +type Arguments []interface{} + +const ( + // Anything is used in Diff and Assert when the argument being tested + // shouldn't be taken into consideration. + Anything = "mock.Anything" +) + +// AnythingOfTypeArgument is a string that contains the type of an argument +// for use when type checking. Used in Diff and Assert. +type AnythingOfTypeArgument string + +// AnythingOfType returns an AnythingOfTypeArgument object containing the +// name of the type to check for. Used in Diff and Assert. +// +// For example: +// Assert(t, AnythingOfType("string"), AnythingOfType("int")) +func AnythingOfType(t string) AnythingOfTypeArgument { + return AnythingOfTypeArgument(t) +} + +// argumentMatcher performs custom argument matching, returning whether or +// not the argument is matched by the expectation fixture function. +type argumentMatcher struct { + // fn is a function which accepts one argument, and returns a bool. + fn reflect.Value +} + +func (f argumentMatcher) Matches(argument interface{}) bool { + expectType := f.fn.Type().In(0) + expectTypeNilSupported := false + switch expectType.Kind() { + case reflect.Interface, reflect.Chan, reflect.Func, reflect.Map, reflect.Slice, reflect.Ptr: + expectTypeNilSupported = true + } + + argType := reflect.TypeOf(argument) + var arg reflect.Value + if argType == nil { + arg = reflect.New(expectType).Elem() + } else { + arg = reflect.ValueOf(argument) + } + + if argType == nil && !expectTypeNilSupported { + panic(errors.New("attempting to call matcher with nil for non-nil expected type")) + } + if argType == nil || argType.AssignableTo(expectType) { + result := f.fn.Call([]reflect.Value{arg}) + return result[0].Bool() + } + return false +} + +func (f argumentMatcher) String() string { + return fmt.Sprintf("func(%s) bool", f.fn.Type().In(0).Name()) +} + +// MatchedBy can be used to match a mock call based on only certain properties +// from a complex struct or some calculation. It takes a function that will be +// evaluated with the called argument and will return true when there's a match +// and false otherwise. +// +// Example: +// m.On("Do", MatchedBy(func(req *http.Request) bool { return req.Host == "example.com" })) +// +// |fn|, must be a function accepting a single argument (of the expected type) +// which returns a bool. If |fn| doesn't match the required signature, +// MatchedBy() panics. +func MatchedBy(fn interface{}) argumentMatcher { + fnType := reflect.TypeOf(fn) + + if fnType.Kind() != reflect.Func { + panic(fmt.Sprintf("assert: arguments: %s is not a func", fn)) + } + if fnType.NumIn() != 1 { + panic(fmt.Sprintf("assert: arguments: %s does not take exactly one argument", fn)) + } + if fnType.NumOut() != 1 || fnType.Out(0).Kind() != reflect.Bool { + panic(fmt.Sprintf("assert: arguments: %s does not return a bool", fn)) + } + + return argumentMatcher{fn: reflect.ValueOf(fn)} +} + +// Get Returns the argument at the specified index. +func (args Arguments) Get(index int) interface{} { + if index+1 > len(args) { + panic(fmt.Sprintf("assert: arguments: Cannot call Get(%d) because there are %d argument(s).", index, len(args))) + } + return args[index] +} + +// Is gets whether the objects match the arguments specified. +func (args Arguments) Is(objects ...interface{}) bool { + for i, obj := range args { + if obj != objects[i] { + return false + } + } + return true +} + +// Diff gets a string describing the differences between the arguments +// and the specified objects. +// +// Returns the diff string and number of differences found. +func (args Arguments) Diff(objects []interface{}) (string, int) { + //TODO: could return string as error and nil for No difference + + var output = "\n" + var differences int + + var maxArgCount = len(args) + if len(objects) > maxArgCount { + maxArgCount = len(objects) + } + + for i := 0; i < maxArgCount; i++ { + var actual, expected interface{} + + if len(objects) <= i { + actual = "(Missing)" + } else { + actual = objects[i] + } + + if len(args) <= i { + expected = "(Missing)" + } else { + expected = args[i] + } + + if matcher, ok := expected.(argumentMatcher); ok { + if matcher.Matches(actual) { + output = fmt.Sprintf("%s\t%d: PASS: %s matched by %s\n", output, i, actual, matcher) + } else { + differences++ + output = fmt.Sprintf("%s\t%d: PASS: %s not matched by %s\n", output, i, actual, matcher) + } + } else if reflect.TypeOf(expected) == reflect.TypeOf((*AnythingOfTypeArgument)(nil)).Elem() { + + // type checking + if reflect.TypeOf(actual).Name() != string(expected.(AnythingOfTypeArgument)) && reflect.TypeOf(actual).String() != string(expected.(AnythingOfTypeArgument)) { + // not match + differences++ + output = fmt.Sprintf("%s\t%d: FAIL: type %s != type %s - %s\n", output, i, expected, reflect.TypeOf(actual).Name(), actual) + } + + } else { + + // normal checking + + if assert.ObjectsAreEqual(expected, Anything) || assert.ObjectsAreEqual(actual, Anything) || assert.ObjectsAreEqual(actual, expected) { + // match + output = fmt.Sprintf("%s\t%d: PASS: %s == %s\n", output, i, actual, expected) + } else { + // not match + differences++ + output = fmt.Sprintf("%s\t%d: FAIL: %s != %s\n", output, i, actual, expected) + } + } + + } + + if differences == 0 { + return "No differences.", differences + } + + return output, differences + +} + +// Assert compares the arguments with the specified objects and fails if +// they do not exactly match. +func (args Arguments) Assert(t TestingT, objects ...interface{}) bool { + if h, ok := t.(tHelper); ok { + h.Helper() + } + + // get the differences + diff, diffCount := args.Diff(objects) + + if diffCount == 0 { + return true + } + + // there are differences... report them... + t.Logf(diff) + t.Errorf("%sArguments do not match.", assert.CallerInfo()) + + return false + +} + +// String gets the argument at the specified index. Panics if there is no argument, or +// if the argument is of the wrong type. +// +// If no index is provided, String() returns a complete string representation +// of the arguments. +func (args Arguments) String(indexOrNil ...int) string { + + if len(indexOrNil) == 0 { + // normal String() method - return a string representation of the args + var argsStr []string + for _, arg := range args { + argsStr = append(argsStr, fmt.Sprintf("%s", reflect.TypeOf(arg))) + } + return strings.Join(argsStr, ",") + } else if len(indexOrNil) == 1 { + // Index has been specified - get the argument at that index + var index = indexOrNil[0] + var s string + var ok bool + if s, ok = args.Get(index).(string); !ok { + panic(fmt.Sprintf("assert: arguments: String(%d) failed because object wasn't correct type: %s", index, args.Get(index))) + } + return s + } + + panic(fmt.Sprintf("assert: arguments: Wrong number of arguments passed to String. Must be 0 or 1, not %d", len(indexOrNil))) + +} + +// Int gets the argument at the specified index. Panics if there is no argument, or +// if the argument is of the wrong type. +func (args Arguments) Int(index int) int { + var s int + var ok bool + if s, ok = args.Get(index).(int); !ok { + panic(fmt.Sprintf("assert: arguments: Int(%d) failed because object wasn't correct type: %v", index, args.Get(index))) + } + return s +} + +// Error gets the argument at the specified index. Panics if there is no argument, or +// if the argument is of the wrong type. +func (args Arguments) Error(index int) error { + obj := args.Get(index) + var s error + var ok bool + if obj == nil { + return nil + } + if s, ok = obj.(error); !ok { + panic(fmt.Sprintf("assert: arguments: Error(%d) failed because object wasn't correct type: %v", index, args.Get(index))) + } + return s +} + +// Bool gets the argument at the specified index. Panics if there is no argument, or +// if the argument is of the wrong type. +func (args Arguments) Bool(index int) bool { + var s bool + var ok bool + if s, ok = args.Get(index).(bool); !ok { + panic(fmt.Sprintf("assert: arguments: Bool(%d) failed because object wasn't correct type: %v", index, args.Get(index))) + } + return s +} + +func typeAndKind(v interface{}) (reflect.Type, reflect.Kind) { + t := reflect.TypeOf(v) + k := t.Kind() + + if k == reflect.Ptr { + t = t.Elem() + k = t.Kind() + } + return t, k +} + +func diffArguments(expected Arguments, actual Arguments) string { + if len(expected) != len(actual) { + return fmt.Sprintf("Provided %v arguments, mocked for %v arguments", len(expected), len(actual)) + } + + for x := range expected { + if diffString := diff(expected[x], actual[x]); diffString != "" { + return fmt.Sprintf("Difference found in argument %v:\n\n%s", x, diffString) + } + } + + return "" +} + +// diff returns a diff of both values as long as both are of the same type and +// are a struct, map, slice or array. Otherwise it returns an empty string. +func diff(expected interface{}, actual interface{}) string { + if expected == nil || actual == nil { + return "" + } + + et, ek := typeAndKind(expected) + at, _ := typeAndKind(actual) + + if et != at { + return "" + } + + if ek != reflect.Struct && ek != reflect.Map && ek != reflect.Slice && ek != reflect.Array { + return "" + } + + e := spewConfig.Sdump(expected) + a := spewConfig.Sdump(actual) + + diff, _ := difflib.GetUnifiedDiffString(difflib.UnifiedDiff{ + A: difflib.SplitLines(e), + B: difflib.SplitLines(a), + FromFile: "Expected", + FromDate: "", + ToFile: "Actual", + ToDate: "", + Context: 1, + }) + + return diff +} + +var spewConfig = spew.ConfigState{ + Indent: " ", + DisablePointerAddresses: true, + DisableCapacities: true, + SortKeys: true, +} + +type tHelper interface { + Helper() +} diff --git a/vendor/vendor.json b/vendor/vendor.json index a6faed82d2..be7cb02e76 100644 --- a/vendor/vendor.json +++ b/vendor/vendor.json @@ -80,6 +80,7 @@ {"path":"github.com/mitchellh/copystructure","checksumSHA1":"86nE93o1VIND0Doe8PuhCXnhUx0=","revision":"cdac8253d00f2ecf0a0b19fbff173a9a72de4f82","revisionTime":"2016-08-04T03:23:30Z"}, {"path":"github.com/mitchellh/go-homedir","checksumSHA1":"V/quM7+em2ByJbWBLOsEwnY3j/Q=","revision":"b8bc1bf767474819792c23f32d8286a45736f1c6","revisionTime":"2016-12-03T19:45:07Z"}, {"path":"github.com/mitchellh/go-testing-interface","checksumSHA1":"bDdhmDk8q6utWrccBhEOa6IoGkE=","revision":"a61a99592b77c9ba629d254a693acffaeb4b7e28","revisionTime":"2017-10-04T22:19:16Z"}, + {"path":"github.com/mitchellh/hashstructure","checksumSHA1":"tWUjKyFOGJtYExocPWVYiXBYsfE=","revision":"2bca23e0e452137f789efbc8610126fd8b94f73b","revisionTime":"2017-06-09T04:59:27Z"}, {"path":"github.com/mitchellh/mapstructure","checksumSHA1":"gILp4IL+xwXLH6tJtRLrnZ56F24=","revision":"06020f85339e21b2478f756a78e295255ffa4d6a","revisionTime":"2017-10-17T17:18:08Z"}, {"path":"github.com/mitchellh/reflectwalk","checksumSHA1":"mrqMlK6gqe//WsJSrJ1HgkPM0lM=","revision":"eecf4c70c626c7cfbb95c90195bc34d386c74ac6","revisionTime":"2015-05-27T15:31:53Z"}, {"path":"github.com/pascaldekloe/goe/verify","checksumSHA1":"5h+ERzHw3Rl2G0kFPxoJzxiA9s0=","revision":"07ebd1e2481f616a278ab431cf04cc5cf5ab3ebe","revisionTime":"2017-03-28T18:37:59Z"}, @@ -97,6 +98,7 @@ {"path":"github.com/shirou/gopsutil/process","checksumSHA1":"JX0bRK/BdKVfbm4XOxMducVdY58=","revision":"32b6636de04b303274daac3ca2b10d3b0e4afc35","revisionTime":"2017-02-04T05:36:48Z"}, {"path":"github.com/shirou/w32","checksumSHA1":"Nve7SpDmjsv6+rhkXAkfg/UQx94=","revision":"bb4de0191aa41b5507caa14b0650cdbddcd9280b","revisionTime":"2016-09-30T03:27:40Z"}, {"path":"github.com/stretchr/testify/assert","checksumSHA1":"6LwXZI7kXm1C0h4Ui0Y52p9uQhk=","revision":"c679ae2cc0cb27ec3293fea7e254e47386f05d69","revisionTime":"2018-03-14T08:05:35Z"}, + {"path":"github.com/stretchr/testify/mock","checksumSHA1":"Qloi2PTvZv+D9FDHXM/banCoaFY=","revision":"c679ae2cc0cb27ec3293fea7e254e47386f05d69","revisionTime":"2018-03-14T08:05:35Z"}, {"path":"github.com/stretchr/testify/require","checksumSHA1":"KqYmXUcuGwsvBL6XVsQnXsFb3LI=","revision":"c679ae2cc0cb27ec3293fea7e254e47386f05d69","revisionTime":"2018-03-14T08:05:35Z"}, {"path":"github.com/tonnerre/golang-text","checksumSHA1":"t24KnvC9jRxiANVhpw2pqFpmEu8=","revision":"048ed3d792f7104850acbc8cfc01e5a6070f4c04","revisionTime":"2013-09-25T19:58:46Z"}, {"path":"golang.org/x/net/context","checksumSHA1":"9jjO5GjLa0XF/nfWihF02RoH4qc=","revision":"075e191f18186a8ff2becaf64478e30f4545cdad","revisionTime":"2016-08-05T06:12:51Z"},