mirror of
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96 lines
2.2 KiB
Go
96 lines
2.2 KiB
Go
package tutil
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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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// TestFieldExtractionFunctions tests StructFieldValue, SliceFieldValues,
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// SliceFieldKeyValues.
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func TestFieldExtractionFunctions(t *testing.T) {
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type person struct {
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UUID string
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Age int
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Nickname *string
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}
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p1 := &person{
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UUID: "235a50d7-3955-431c-8641-6ce171abf589",
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Age: 42,
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Nickname: nil,
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}
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nn := "The Great"
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p2 := &person{
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UUID: "81975a8f-6add-441a-8c81-3806a9f4c6f0",
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Age: 27,
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Nickname: &nn,
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}
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uu := StructFieldValue("UUID", p1)
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require.Equal(t, uu, p1.UUID)
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age := StructFieldValue("Age", p1)
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require.Equal(t, age, 42)
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require.Panics(t, func() {
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_ = StructFieldValue("UUID", 123)
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}, "non-struct arg should panic")
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require.Nil(t, StructFieldValue("UUID", nil))
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require.Panics(t, func() {
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_ = StructFieldValue("", p1)
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}, "invalid fieldName should panic")
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require.Panics(t, func() {
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_ = StructFieldValue("NotAField", p1)
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}, "invalid fieldName should panic")
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nickname := StructFieldValue("Nickname", p1)
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require.Nil(t, nickname)
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nickname = StructFieldValue("Nickname", p2)
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require.NotNil(t, nickname)
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require.EqualValues(t, nickname, p2.Nickname)
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iSlice := []any{p1, p2}
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iVals := SliceFieldValues("UUID", iSlice)
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require.Len(t, iVals, 2)
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require.Equal(t, p1.UUID, iVals[0])
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personPtrSlice := []*person{p1, p2}
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iVals2 := SliceFieldValues("UUID", personPtrSlice)
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require.Len(t, iVals2, 2)
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require.EqualValues(t, iVals, iVals2)
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personSlice := []person{*p1, *p2}
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iVals3 := SliceFieldValues("UUID", personSlice)
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require.Len(t, iVals2, 2)
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require.EqualValues(t, iVals, iVals3)
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require.Panics(t, func() {
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_ = SliceFieldValues("UUID", p1)
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}, "non-slice arg should panic")
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m1 := SliceFieldKeyValues("UUID", "Age", iSlice)
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require.Len(t, m1, 2)
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require.Equal(t, m1[p1.UUID], p1.Age)
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require.Equal(t, m1[p2.UUID], p2.Age)
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}
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func TestInterfaceSlice(t *testing.T) {
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stringSlice := []string{"hello", "world"}
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iSlice := InterfaceSlice(stringSlice)
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require.Equal(t, len(stringSlice), len(iSlice))
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require.Equal(t, stringSlice[0], iSlice[0])
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iSlice = InterfaceSlice(nil)
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require.Nil(t, iSlice)
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require.Panics(t, func() {
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_ = InterfaceSlice(42)
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}, "should panic for non-slice arg")
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}
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