mirror of
https://github.com/empayre/fleet.git
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9ffa11c25d
For #9537
359 lines
11 KiB
Go
359 lines
11 KiB
Go
package optjson
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import (
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"encoding/json"
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"testing"
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"github.com/stretchr/testify/require"
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)
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func TestString(t *testing.T) {
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t.Run("plain string", func(t *testing.T) {
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cases := []struct {
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data string
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wantErr string
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wantRes String
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marshalAs string
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}{
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{`"foo"`, "", String{Set: true, Valid: true, Value: "foo"}, `"foo"`},
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{`""`, "", String{Set: true, Valid: true, Value: ""}, `""`},
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{`null`, "", String{Set: true, Valid: false, Value: ""}, `null`},
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{`123`, "cannot unmarshal number into Go value of type string", String{Set: true, Valid: false, Value: ""}, `null`},
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{`{"v": "foo"}`, "cannot unmarshal object into Go value of type string", String{Set: true, Valid: false, Value: ""}, `null`},
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}
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for _, c := range cases {
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t.Run(c.data, func(t *testing.T) {
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var s String
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err := json.Unmarshal([]byte(c.data), &s)
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if c.wantErr != "" {
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require.Error(t, err)
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require.ErrorContains(t, err, c.wantErr)
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} else {
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require.NoError(t, err)
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}
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require.Equal(t, c.wantRes, s)
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b, err := json.Marshal(s)
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require.NoError(t, err)
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require.Equal(t, c.marshalAs, string(b))
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})
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}
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})
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t.Run("struct", func(t *testing.T) {
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type N struct {
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S2 String `json:"s2"`
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}
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type T struct {
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I int `json:"i"`
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S String `json:"s"`
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N N `json:"n"`
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}
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cases := []struct {
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data string
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wantErr string
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wantRes T
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marshalAs string
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}{
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{`{}`, "", T{}, `{"i": 0, "s": null, "n": {"s2": null}}`},
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{`{"x": "nope"}`, "", T{}, `{"i": 0, "s": null, "n": {"s2": null}}`},
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{`{"i": 1, "s": "a"}`, "", T{I: 1, S: String{Set: true, Valid: true, Value: "a"}}, `{"i": 1, "s": "a", "n": {"s2": null}}`},
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{`{"i": 1, "s": null, "n": {}}`, "", T{I: 1, S: String{Set: true, Valid: false, Value: ""}}, `{"i": 1, "s": null, "n": {"s2": null}}`},
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{`{"i": 1, "s": "a", "n": {"s2": "b"}}`, "", T{I: 1, S: String{Set: true, Valid: true, Value: "a"}, N: N{S2: String{Set: true, Valid: true, Value: "b"}}}, `{"i": 1, "s": "a", "n": {"s2": "b"}}`},
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{`{"i": 1, "s": "a", "n": {"s2": null}}`, "", T{I: 1, S: String{Set: true, Valid: true, Value: "a"}, N: N{S2: String{Set: true, Valid: false, Value: ""}}}, `{"i": 1, "s": "a", "n": {"s2": null}}`},
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{`{"i": 1, "s": true}`, "cannot unmarshal bool into Go struct", T{I: 1, S: String{Set: true, Valid: false, Value: ""}}, `{"i": 1, "s": null, "n": {"s2": null}}`},
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{`{"i": 1, "n": {"s2": 123}}`, "cannot unmarshal number into Go struct", T{I: 1, N: N{S2: String{Set: true, Valid: false, Value: ""}}}, `{"i": 1, "s": null, "n": {"s2": null}}`},
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}
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for _, c := range cases {
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t.Run(c.data, func(t *testing.T) {
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var tt T
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err := json.Unmarshal([]byte(c.data), &tt)
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if c.wantErr != "" {
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require.Error(t, err)
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require.ErrorContains(t, err, c.wantErr)
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} else {
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require.NoError(t, err)
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}
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require.Equal(t, c.wantRes, tt)
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b, err := json.Marshal(tt)
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require.NoError(t, err)
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require.JSONEq(t, c.marshalAs, string(b))
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})
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}
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})
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}
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func TestBool(t *testing.T) {
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t.Run("plain string", func(t *testing.T) {
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cases := []struct {
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data string
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wantErr string
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wantRes Bool
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marshalAs string
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}{
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{`true`, "", Bool{Set: true, Valid: true, Value: true}, `true`},
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{`null`, "", Bool{Set: true, Valid: false, Value: false}, `null`},
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{`123`, "cannot unmarshal number into Go value of type bool", Bool{Set: true, Valid: false, Value: false}, `null`},
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{`{"v": "foo"}`, "cannot unmarshal object into Go value of type bool", Bool{Set: true, Valid: false, Value: false}, `null`},
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}
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for _, c := range cases {
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t.Run(c.data, func(t *testing.T) {
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var s Bool
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err := json.Unmarshal([]byte(c.data), &s)
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if c.wantErr != "" {
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require.Error(t, err)
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require.ErrorContains(t, err, c.wantErr)
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} else {
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require.NoError(t, err)
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}
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require.Equal(t, c.wantRes, s)
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b, err := json.Marshal(s)
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require.NoError(t, err)
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require.Equal(t, c.marshalAs, string(b))
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})
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}
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})
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t.Run("struct", func(t *testing.T) {
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type N struct {
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B2 Bool `json:"b2"`
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}
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type T struct {
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I int `json:"i"`
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B Bool `json:"b"`
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N N `json:"n"`
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}
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cases := []struct {
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data string
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wantErr string
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wantRes T
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marshalAs string
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}{
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{`{}`, "", T{}, `{"i": 0, "b": null, "n": {"b2": null}}`},
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{`{"x": "nope"}`, "", T{}, `{"i": 0, "b": null, "n": {"b2": null}}`},
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{`{"i": 1, "b": true}`, "", T{I: 1, B: Bool{Set: true, Valid: true, Value: true}}, `{"i": 1, "b": true, "n": {"b2": null}}`},
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{`{"i": 1, "b": null, "n": {}}`, "", T{I: 1, B: Bool{Set: true, Valid: false, Value: false}}, `{"i": 1, "b": null, "n": {"b2": null}}`},
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{`{"i": 1, "b": false, "n": {"b2": true}}`, "", T{I: 1, B: Bool{Set: true, Valid: true, Value: false}, N: N{B2: Bool{Set: true, Valid: true, Value: true}}}, `{"i": 1, "b": false, "n": {"b2": true}}`},
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{`{"i": 1, "b": true, "n": {"b2": null}}`, "", T{I: 1, B: Bool{Set: true, Valid: true, Value: true}, N: N{B2: Bool{Set: true, Valid: false, Value: false}}}, `{"i": 1, "b": true, "n": {"b2": null}}`},
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{`{"i": 1, "b": ""}`, "cannot unmarshal string into Go struct", T{I: 1, B: Bool{Set: true, Valid: false, Value: false}}, `{"i": 1, "b": null, "n": {"b2": null}}`},
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{`{"i": 1, "n": {"b2": 123}}`, "cannot unmarshal number into Go struct", T{I: 1, N: N{B2: Bool{Set: true, Valid: false, Value: false}}}, `{"i": 1, "b": null, "n": {"b2": null}}`},
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}
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for _, c := range cases {
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t.Run(c.data, func(t *testing.T) {
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var tt T
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err := json.Unmarshal([]byte(c.data), &tt)
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if c.wantErr != "" {
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require.Error(t, err)
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require.ErrorContains(t, err, c.wantErr)
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} else {
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require.NoError(t, err)
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}
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require.Equal(t, c.wantRes, tt)
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b, err := json.Marshal(tt)
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require.NoError(t, err)
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require.JSONEq(t, c.marshalAs, string(b))
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})
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}
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})
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}
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func TestSlice(t *testing.T) {
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t.Run("slice of ints", func(t *testing.T) {
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cases := []struct {
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data string
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wantErr string
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wantRes Slice[int]
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marshalAs string
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}{
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{data: `[1,2,3]`, wantErr: "", wantRes: SetSlice([]int{1, 2, 3}), marshalAs: `[1,2,3]`},
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{data: `[]`, wantErr: "", wantRes: SetSlice([]int{}), marshalAs: `[]`},
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{data: `null`, wantErr: "", wantRes: Slice[int]{Set: true, Valid: false, Value: []int{}}, marshalAs: `null`},
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{data: `[1,"2",3]`, wantErr: "cannot unmarshal string", wantRes: Slice[int]{Set: true, Valid: false, Value: nil}, marshalAs: `null`},
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{data: `123`, wantErr: "cannot unmarshal number", wantRes: Slice[int]{Set: true, Valid: false, Value: []int(nil)}, marshalAs: `null`},
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}
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for _, c := range cases {
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t.Run(c.data, func(t *testing.T) {
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var s Slice[int]
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err := json.Unmarshal([]byte(c.data), &s)
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if c.wantErr != "" {
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require.Error(t, err)
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require.ErrorContains(t, err, c.wantErr)
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} else {
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require.NoError(t, err)
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}
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require.Equal(t, c.wantRes, s)
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b, err := json.Marshal(s)
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require.NoError(t, err)
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require.Equal(t, c.marshalAs, string(b))
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})
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}
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})
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t.Run("slice of strings", func(t *testing.T) {
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cases := []struct {
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data string
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wantErr string
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wantRes Slice[string]
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marshalAs string
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}{
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{data: `["foo", "bar"]`, wantErr: "", wantRes: SetSlice([]string{"foo", "bar"}), marshalAs: `["foo","bar"]`},
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{data: `[""]`, wantErr: "", wantRes: SetSlice([]string{""}), marshalAs: `[""]`},
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{data: `null`, wantErr: "", wantRes: Slice[string]{Set: true, Valid: false, Value: []string{}}, marshalAs: `null`},
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{data: `["foo", 123]`, wantErr: "cannot unmarshal number", wantRes: Slice[string]{Set: true, Valid: false, Value: []string(nil)}, marshalAs: `null`},
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}
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for _, c := range cases {
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t.Run(c.data, func(t *testing.T) {
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var s Slice[string]
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err := json.Unmarshal([]byte(c.data), &s)
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if c.wantErr != "" {
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require.Error(t, err)
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require.ErrorContains(t, err, c.wantErr)
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} else {
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require.NoError(t, err)
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}
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require.Equal(t, c.wantRes, s)
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b, err := json.Marshal(s)
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require.NoError(t, err)
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require.Equal(t, c.marshalAs, string(b))
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})
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}
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})
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t.Run("slice of bools", func(t *testing.T) {
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cases := []struct {
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data string
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wantErr string
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wantRes Slice[bool]
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marshalAs string
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}{
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{data: `[true, false]`, wantErr: "", wantRes: SetSlice([]bool{true, false}), marshalAs: `[true,false]`},
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{data: `[true, "false"]`, wantErr: "cannot unmarshal string", wantRes: Slice[bool]{Set: true, Valid: false, Value: []bool(nil)}, marshalAs: `null`},
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{data: `null`, wantErr: "", wantRes: Slice[bool]{Set: true, Valid: false, Value: []bool{}}, marshalAs: `null`},
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}
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for _, c := range cases {
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t.Run(c.data, func(t *testing.T) {
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var s Slice[bool]
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err := json.Unmarshal([]byte(c.data), &s)
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if c.wantErr != "" {
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require.Error(t, err)
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require.ErrorContains(t, err, c.wantErr)
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} else {
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require.NoError(t, err)
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}
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require.Equal(t, c.wantRes, s)
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b, err := json.Marshal(s)
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require.NoError(t, err)
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require.Equal(t, c.marshalAs, string(b))
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})
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}
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})
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}
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func TestSliceWithinStruct(t *testing.T) {
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type Nested struct {
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Numbers Slice[int] `json:"numbers"`
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Words Slice[string] `json:"words"`
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Flags Slice[bool] `json:"flags"`
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}
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type Parent struct {
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ID int `json:"id"`
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Name string `json:"name"`
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Nested Nested `json:"nested"`
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}
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t.Run("struct", func(t *testing.T) {
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cases := []struct {
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data string
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wantErr string
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wantRes Parent
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marshalAs string
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}{
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{data: `{}`, wantErr: "", wantRes: Parent{}, marshalAs: `{"id": 0, "name": "", "nested": {"numbers": null, "words": null, "flags": null}}`},
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{
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data: `{"id": 1, "name": "test", "nested": {"numbers": [1, 2, 3], "words": ["one", "two"], "flags": [true, false]}}`,
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wantErr: "",
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wantRes: Parent{
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ID: 1,
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Name: "test",
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Nested: Nested{
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Numbers: SetSlice([]int{1, 2, 3}),
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Words: SetSlice([]string{"one", "two"}),
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Flags: SetSlice([]bool{true, false}),
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},
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},
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marshalAs: `{"id": 1, "name": "test", "nested": {"numbers": [1,2,3], "words": ["one","two"], "flags": [true,false]}}`,
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},
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{
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data: `{"id": 1, "name": "test", "nested": {"numbers": null, "words": ["one", "two"], "flags": [true, false]}}`,
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wantErr: "",
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wantRes: Parent{
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ID: 1,
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Name: "test",
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Nested: Nested{
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Numbers: Slice[int]{Set: true, Valid: false, Value: []int{}},
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Words: SetSlice([]string{"one", "two"}),
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Flags: SetSlice([]bool{true, false}),
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},
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},
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marshalAs: `{"id": 1, "name": "test", "nested": {"numbers": null, "words": ["one","two"], "flags": [true,false]}}`,
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},
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{
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data: `{"id": 1, "name": "test", "nested": {"numbers": [1, 2, 3], "words": null, "flags": [true, false]}}`,
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wantErr: "",
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wantRes: Parent{
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ID: 1,
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Name: "test",
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Nested: Nested{
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Numbers: SetSlice([]int{1, 2, 3}),
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Words: Slice[string]{Set: true, Valid: false, Value: []string{}},
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Flags: SetSlice([]bool{true, false}),
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},
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},
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marshalAs: `{"id": 1, "name": "test", "nested": {"numbers": [1,2,3], "words": null, "flags": [true,false]}}`,
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},
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}
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for _, c := range cases {
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t.Run(c.data, func(t *testing.T) {
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var p Parent
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err := json.Unmarshal([]byte(c.data), &p)
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if c.wantErr != "" {
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require.Error(t, err)
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require.Contains(t, err.Error(), c.wantErr)
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} else {
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require.NoError(t, err)
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}
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require.Equal(t, c.wantRes, p)
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b, err := json.Marshal(p)
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require.NoError(t, err)
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require.JSONEq(t, c.marshalAs, string(b))
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})
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}
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})
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}
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