generics/pairs_test.go

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package generics
import (
"testing"
"github.com/stretchr/testify/require"
)
func TestPairsKeys(t *testing.T) {
tests := map[string]struct {
src Pairs[string, int]
dst []string
}{
"nil pairs": {
src: nil,
dst: []string{},
},
"empty pairs": {
src: Pairs[string, int]{},
dst: []string{},
},
"filled pairs": {
src: Pairs[string, int]{
{
Key: "foo",
Value: 1,
},
{
Key: "bar",
Value: 2,
},
{
Key: "baz",
Value: 3,
},
},
dst: []string{
"foo",
"bar",
"baz",
},
},
}
for name, tc := range tests {
name, tc := name, tc
t.Run(name, func(t *testing.T) {
dst := tc.src.Keys()
require.ElementsMatch(t, tc.dst, dst)
})
}
}
func TestPairsValues(t *testing.T) {
tests := map[string]struct {
src Pairs[string, int]
dst []int
}{
"nil pairs": {
src: nil,
dst: []int{},
},
"empty pairs": {
src: Pairs[string, int]{},
dst: []int{},
},
"filled pairs": {
src: Pairs[string, int]{
{
Key: "foo",
Value: 1,
},
{
Key: "bar",
Value: 2,
},
{
Key: "baz",
Value: 3,
},
},
dst: []int{1, 2, 3},
},
}
for name, tc := range tests {
name, tc := name, tc
t.Run(name, func(t *testing.T) {
dst := tc.src.Values()
require.ElementsMatch(t, tc.dst, dst)
})
}
}