|
| 1 | +package example |
| 2 | + |
| 3 | +import ( |
| 4 | + "encoding/json" |
| 5 | + "fmt" |
| 6 | + "github.com/Emptyless/nullify" |
| 7 | + "github.com/go-playground/validator/v10" |
| 8 | + "github.com/stretchr/testify/assert" |
| 9 | + "testing" |
| 10 | +) |
| 11 | + |
| 12 | +type Some struct { |
| 13 | + Optional string `json:"optional" validate:"omitnil,email"` |
| 14 | + Required string `json:"required" validate:"required,uuid"` |
| 15 | +} |
| 16 | + |
| 17 | +func TestNullify_JsonUnmarshal(t *testing.T) { |
| 18 | + tests := map[string]struct { |
| 19 | + Payload string |
| 20 | + Required string |
| 21 | + Optional string |
| 22 | + ErrorMessage string |
| 23 | + }{ |
| 24 | + "missing all": { |
| 25 | + Payload: `{}`, |
| 26 | + ErrorMessage: "Key: 'Required' Error:Field validation for 'Required' failed on the 'required' tag", |
| 27 | + }, |
| 28 | + "missing optional": { |
| 29 | + Payload: `{"required": "89ec270d-8256-4b0e-b25c-39564b10f29e"}`, |
| 30 | + Required: "89ec270d-8256-4b0e-b25c-39564b10f29e", |
| 31 | + Optional: "", |
| 32 | + }, |
| 33 | + "invalid format required": { |
| 34 | + Payload: `{"required": "invalid"}`, |
| 35 | + ErrorMessage: "Key: 'Required' Error:Field validation for 'Required' failed on the 'uuid' tag", |
| 36 | + }, |
| 37 | + "invalid format optional": { |
| 38 | + Payload: `{"required": "89ec270d-8256-4b0e-b25c-39564b10f29e", "optional": "notanemail"}`, |
| 39 | + ErrorMessage: "Key: 'Optional' Error:Field validation for 'Optional' failed on the 'email' tag", |
| 40 | + }, |
| 41 | + "valid": { |
| 42 | + Payload: `{"required": "89ec270d-8256-4b0e-b25c-39564b10f29e", "optional": "test@example.com"}`, |
| 43 | + Required: "89ec270d-8256-4b0e-b25c-39564b10f29e", |
| 44 | + Optional: "test@example.com", |
| 45 | + }, |
| 46 | + } |
| 47 | + |
| 48 | + for name, testData := range tests { |
| 49 | + testData := testData |
| 50 | + t.Run(name, func(t *testing.T) { |
| 51 | + // Arrange |
| 52 | + validate := validator.New() |
| 53 | + var some Some |
| 54 | + ptrSome := nullify.Nullify(&some) |
| 55 | + if err := json.Unmarshal([]byte(testData.Payload), ptrSome); err != nil { |
| 56 | + t.Fatal(err) |
| 57 | + } |
| 58 | + if err := json.Unmarshal([]byte(testData.Payload), &some); err != nil { |
| 59 | + t.Fatal(err) |
| 60 | + } |
| 61 | + |
| 62 | + // Act |
| 63 | + err := validate.Struct(ptrSome) |
| 64 | + |
| 65 | + // Assert |
| 66 | + if testData.ErrorMessage == "" { |
| 67 | + assert.Nil(t, err) |
| 68 | + assert.Equal(t, testData.Required, some.Required) |
| 69 | + assert.Equal(t, testData.Optional, some.Optional) |
| 70 | + } else { |
| 71 | + assert.ErrorContains(t, err, testData.ErrorMessage) |
| 72 | + } |
| 73 | + }) |
| 74 | + } |
| 75 | +} |
| 76 | + |
| 77 | +type Person struct { |
| 78 | + Name string `json:"name" validate:"required"` |
| 79 | +} |
| 80 | + |
| 81 | +func ExampleNullify() { |
| 82 | + input := []byte("") |
| 83 | + person := Person{} |
| 84 | + p := nullify.Nullify(person) |
| 85 | + _ = json.Unmarshal(input, p) |
| 86 | + err := validator.New().Struct(p) |
| 87 | + fmt.Println(err) |
| 88 | + // Output: |
| 89 | + // Key: 'Name' Error:Field validation for 'Name' failed on the 'required' tag |
| 90 | +} |
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