mirror of https://github.com/status-im/consul.git
132 lines
3.4 KiB
Go
132 lines
3.4 KiB
Go
package middleware
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import (
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"strings"
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"sync"
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"testing"
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"time"
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"github.com/armon/go-metrics"
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"github.com/hashicorp/go-hclog"
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"github.com/stretchr/testify/require"
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)
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// obs holds all the things we want to assert on that we recorded correctly in our tests.
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type obs struct {
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key []string
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elapsed float32
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labels []metrics.Label
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}
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// recorderStore acts as an in-mem mock storage for all the RequestRecorder.Record() RecorderFunc calls.
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type recorderStore struct {
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lock sync.Mutex
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store map[string]obs
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}
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func (rs *recorderStore) put(key []string, o obs) {
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rs.lock.Lock()
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defer rs.lock.Unlock()
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actualKey := strings.Join(append(key, o.labels[0].Value), "")
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rs.store[actualKey] = o
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}
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func (rs *recorderStore) get(key []string) obs {
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rs.lock.Lock()
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defer rs.lock.Unlock()
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actualKey := strings.Join(key, "")
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return rs.store[actualKey]
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}
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var store = recorderStore{store: make(map[string]obs)}
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var simpleRecorderFunc = func(key []string, val float32, labels []metrics.Label) {
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o := obs{key: key, elapsed: val, labels: labels}
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store.put(key, o)
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}
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type readRequest struct{}
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type writeRequest struct{}
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func (rr readRequest) IsRead() bool {
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return true
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}
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func (wr writeRequest) IsRead() bool {
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return false
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}
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// TestRequestRecorder_SimpleOK tests that the RequestRecorder can record a simple request.
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func TestRequestRecorder_SimpleOK(t *testing.T) {
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t.Parallel()
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r := RequestRecorder{
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Logger: hclog.NewInterceptLogger(&hclog.LoggerOptions{}),
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RecorderFunc: simpleRecorderFunc,
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}
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start := time.Now()
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r.Record("A.B", RPCTypeInternal, start, struct{}{}, false)
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expectedLabels := []metrics.Label{
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{Name: "method", Value: "A.B"},
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{Name: "errored", Value: "false"},
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{Name: "request_type", Value: "unreported"},
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{Name: "rpc_type", Value: RPCTypeInternal},
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}
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o := store.get(append(metricRPCRequest, expectedLabels[0].Value))
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require.Equal(t, o.key, metricRPCRequest)
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require.LessOrEqual(t, o.elapsed, float32(start.Sub(time.Now()).Milliseconds()))
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require.Equal(t, o.labels, expectedLabels)
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}
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// TestRequestRecorder_ReadRequest tests that RequestRecorder can record a read request AND a responseErrored arg.
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func TestRequestRecorder_ReadRequest(t *testing.T) {
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t.Parallel()
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r := RequestRecorder{
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Logger: hclog.NewInterceptLogger(&hclog.LoggerOptions{}),
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RecorderFunc: simpleRecorderFunc,
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}
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start := time.Now()
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r.Record("B.A", RPCTypeNetRPC, start, readRequest{}, true)
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expectedLabels := []metrics.Label{
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{Name: "method", Value: "B.A"},
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{Name: "errored", Value: "true"},
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{Name: "request_type", Value: "read"},
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{Name: "rpc_type", Value: RPCTypeNetRPC},
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}
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o := store.get(append(metricRPCRequest, expectedLabels[0].Value))
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require.Equal(t, o.labels, expectedLabels)
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}
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// TestRequestRecorder_WriteRequest tests that RequestRecorder can record a write request.
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func TestRequestRecorder_WriteRequest(t *testing.T) {
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t.Parallel()
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r := RequestRecorder{
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Logger: hclog.NewInterceptLogger(&hclog.LoggerOptions{}),
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RecorderFunc: simpleRecorderFunc,
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}
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start := time.Now()
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r.Record("B.C", RPCTypeNetRPC, start, writeRequest{}, true)
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expectedLabels := []metrics.Label{
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{Name: "method", Value: "B.C"},
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{Name: "errored", Value: "true"},
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{Name: "request_type", Value: "write"},
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{Name: "rpc_type", Value: RPCTypeNetRPC},
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}
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o := store.get(append(metricRPCRequest, expectedLabels[0].Value))
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require.Equal(t, o.labels, expectedLabels)
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}
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