42 lines
928 B
Go
42 lines
928 B
Go
package maps
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import (
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"testing"
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"github.com/stretchr/testify/require"
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)
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func TestSliceOfKeys(t *testing.T) {
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t.Run("string to int", func(t *testing.T) {
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m := make(map[string]int)
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require.Equal(t, []string(nil), SliceOfKeys(m))
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m["foo"] = 5
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m["bar"] = 6
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require.ElementsMatch(t, []string{"foo", "bar"}, SliceOfKeys(m))
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})
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type blah struct {
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V string
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}
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t.Run("int to struct", func(t *testing.T) {
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m := make(map[int]blah)
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require.Equal(t, []int(nil), SliceOfKeys(m))
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m[5] = blah{V: "foo"}
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m[6] = blah{V: "bar"}
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require.ElementsMatch(t, []int{5, 6}, SliceOfKeys(m))
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})
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type id struct {
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Name string
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}
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t.Run("struct to struct pointer", func(t *testing.T) {
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m := make(map[id]*blah)
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require.Equal(t, []id(nil), SliceOfKeys(m))
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m[id{Name: "foo"}] = &blah{V: "oof"}
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m[id{Name: "bar"}] = &blah{V: "rab"}
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require.ElementsMatch(t, []id{{Name: "foo"}, {Name: "bar"}}, SliceOfKeys(m))
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})
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}
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