package convert import ( "reflect" "testing" "github.com/databricks/cli/libs/config" "github.com/stretchr/testify/assert" ) func TestStructInfoPlain(t *testing.T) { type Tmp struct { Foo string `json:"foo"` Bar string `json:"bar,omitempty"` // Baz must be skipped. Baz string `json:""` // Qux must be skipped. Qux string `json:"-"` } si := getStructInfo(reflect.TypeOf(Tmp{})) assert.Len(t, si.Fields, 2) assert.Equal(t, []int{0}, si.Fields["foo"]) assert.Equal(t, []int{1}, si.Fields["bar"]) } func TestStructInfoAnonymousByValue(t *testing.T) { type Bar struct { Bar string `json:"bar"` } type Foo struct { Foo string `json:"foo"` Bar } type Tmp struct { Foo } si := getStructInfo(reflect.TypeOf(Tmp{})) assert.Len(t, si.Fields, 2) assert.Equal(t, []int{0, 0}, si.Fields["foo"]) assert.Equal(t, []int{0, 1, 0}, si.Fields["bar"]) } func TestStructInfoAnonymousByValuePrecedence(t *testing.T) { type Bar struct { Bar string `json:"bar"` } type Foo struct { Foo string `json:"foo"` Bar } type Tmp struct { // "foo" comes from [Foo]. Foo // "bar" comes from [Bar] directly, not through [Foo]. Bar } si := getStructInfo(reflect.TypeOf(Tmp{})) assert.Len(t, si.Fields, 2) assert.Equal(t, []int{0, 0}, si.Fields["foo"]) assert.Equal(t, []int{1, 0}, si.Fields["bar"]) } func TestStructInfoAnonymousByPointer(t *testing.T) { type Bar struct { Bar string `json:"bar"` } type Foo struct { Foo string `json:"foo"` *Bar } type Tmp struct { *Foo } si := getStructInfo(reflect.TypeOf(Tmp{})) assert.Len(t, si.Fields, 2) assert.Equal(t, []int{0, 0}, si.Fields["foo"]) assert.Equal(t, []int{0, 1, 0}, si.Fields["bar"]) } func TestStructInfoFieldValues(t *testing.T) { type Tmp struct { Foo string `json:"foo"` Bar string `json:"bar"` } var src = Tmp{ Foo: "foo", Bar: "bar", } si := getStructInfo(reflect.TypeOf(Tmp{})) fv := si.FieldValues(reflect.ValueOf(src)) assert.Len(t, fv, 2) assert.Equal(t, "foo", fv["foo"].String()) assert.Equal(t, "bar", fv["bar"].String()) } func TestStructInfoFieldValuesAnonymousByValue(t *testing.T) { type Bar struct { Bar string `json:"bar"` } type Foo struct { Foo string `json:"foo"` Bar } type Tmp struct { Foo } var src = Tmp{ Foo: Foo{ Foo: "foo", Bar: Bar{ Bar: "bar", }, }, } si := getStructInfo(reflect.TypeOf(Tmp{})) fv := si.FieldValues(reflect.ValueOf(src)) assert.Len(t, fv, 2) assert.Equal(t, "foo", fv["foo"].String()) assert.Equal(t, "bar", fv["bar"].String()) } func TestStructInfoFieldValuesAnonymousByPointer(t *testing.T) { type Bar struct { Bar string `json:"bar"` } type Foo struct { Foo string `json:"foo"` *Bar } type Tmp struct { *Foo } // Test that the embedded fields are dereferenced properly. t.Run("all are set", func(t *testing.T) { src := Tmp{ Foo: &Foo{ Foo: "foo", Bar: &Bar{ Bar: "bar", }, }, } si := getStructInfo(reflect.TypeOf(Tmp{})) fv := si.FieldValues(reflect.ValueOf(src)) assert.Len(t, fv, 2) assert.Equal(t, "foo", fv["foo"].String()) assert.Equal(t, "bar", fv["bar"].String()) }) // Test that fields of embedded types are skipped if the embedded type is nil. t.Run("top level is set", func(t *testing.T) { src := Tmp{ Foo: &Foo{ Foo: "foo", Bar: nil, }, } si := getStructInfo(reflect.TypeOf(Tmp{})) fv := si.FieldValues(reflect.ValueOf(src)) assert.Len(t, fv, 1) assert.Equal(t, "foo", fv["foo"].String()) }) // Test that fields of embedded types are skipped if the embedded type is nil. t.Run("none are set", func(t *testing.T) { src := Tmp{ Foo: nil, } si := getStructInfo(reflect.TypeOf(Tmp{})) fv := si.FieldValues(reflect.ValueOf(src)) assert.Empty(t, fv) }) } func TestStructInfoValueFieldAbsent(t *testing.T) { type Tmp struct { Foo string `json:"foo"` } si := getStructInfo(reflect.TypeOf(Tmp{})) assert.Nil(t, si.ValueField) } func TestStructInfoValueFieldPresent(t *testing.T) { type Tmp struct { Foo config.Value } si := getStructInfo(reflect.TypeOf(Tmp{})) assert.NotNil(t, si.ValueField) } func TestStructInfoValueFieldMultiple(t *testing.T) { type Tmp struct { Foo config.Value Bar config.Value } assert.Panics(t, func() { getStructInfo(reflect.TypeOf(Tmp{})) }) }