consul/proto/private/prototest/testing_test.go

107 lines
2.1 KiB
Go

// Copyright (c) HashiCorp, Inc.
// SPDX-License-Identifier: BUSL-1.1
package prototest
import (
"strconv"
"testing"
"github.com/stretchr/testify/require"
)
type wrap struct {
V int
O string
}
func (w *wrap) String() string {
return strconv.Itoa(w.V)
}
func (w *wrap) GoString() string {
return w.String()
}
func TestDiffElements_noProtobufs(t *testing.T) {
// NOTE: this test only tests non-protobuf slices initially
type testcase struct {
a, b []*wrap
notSame bool
}
run := func(t *testing.T, tc testcase) {
diff := diffElements(tc.a, tc.b)
if tc.notSame {
require.False(t, diff == "", "expected not to be the same")
} else {
require.True(t, diff == "", "expected to be the same")
}
}
w := func(v int) *wrap {
return &wrap{V: v}
}
cases := map[string]testcase{
"nil": {},
"empty": {a: []*wrap{}, b: []*wrap{}},
"nil and empty": {a: []*wrap{}, b: nil},
"ordered match": {
a: []*wrap{w(1), w(22), w(303), w(43004), w(-5)},
b: []*wrap{w(1), w(22), w(303), w(43004), w(-5)},
},
"permuted match": {
a: []*wrap{w(1), w(22), w(303), w(43004), w(-5)},
b: []*wrap{w(-5), w(43004), w(303), w(22), w(1)},
},
"duplicates": {
a: []*wrap{w(1), w(2), w(2), w(3)},
b: []*wrap{w(2), w(1), w(3), w(2)},
},
// no match
"1 vs nil": {
a: []*wrap{w(1)},
b: nil,
notSame: true,
},
"1 vs 2": {
a: []*wrap{w(1)},
b: []*wrap{w(2)},
notSame: true,
},
"1,2 vs 2,3": {
a: []*wrap{w(1), w(2)},
b: []*wrap{w(2), w(3)},
notSame: true,
},
"1,2 vs 1,2,3": {
a: []*wrap{w(1), w(2)},
b: []*wrap{w(1), w(2), w(3)},
notSame: true,
},
"duplicates omitted": {
a: []*wrap{w(1), w(2), w(2), w(3)},
b: []*wrap{w(1), w(3), w(2)},
notSame: true,
},
}
allCases := make(map[string]testcase)
for name, tc := range cases {
allCases[name] = tc
allCases[name+" (flipped)"] = testcase{
a: tc.b,
b: tc.a,
notSame: tc.notSame,
}
}
for name, tc := range allCases {
t.Run(name, func(t *testing.T) {
run(t, tc)
})
}
}