Function TestDefaultJSONCodec_Decode

json_test.go:53–100

Note this test is deliberately simple as there's not a lot to test. Just need to ensure it writes JSONs. The heavy work is done by the context methods.

(t *testing.T)

// Note this test is deliberately simple as there's not a lot to test.
// Just need to ensure it writes JSONs. The heavy work is done by the context methods.
func TestDefaultJSONCodec_Decode(t *testing.T) {
	e := New()
	req := httptest.NewRequest(http.MethodPost, "/", strings.NewReader(userJSON))
	rec := httptest.NewRecorder()
	c := e.NewContext(req, rec)

	// Echo
	assert.Equal(t, e, c.Echo())

	// Request
	assert.NotNil(t, c.Request())

	// Response
	assert.NotNil(t, c.Response())

	//--------
	// Default JSON encoder
	//--------

	enc := new(DefaultJSONSerializer)

	var u = user{}
	err := enc.Deserialize(c, &u)
	if assert.NoError(t, err) {
		assert.Equal(t, u, user{ID: 1, Name: "Jon Snow"})
	}

	var userUnmarshalSyntaxError = user{}
	req = httptest.NewRequest(http.MethodPost, "/", strings.NewReader(invalidContent))
	rec = httptest.NewRecorder()
	c = e.NewContext(req, rec)
	err = enc.Deserialize(c, &userUnmarshalSyntaxError)
	assert.IsType(t, &HTTPError{}, err)
	assert.EqualError(t, err, "code=400, message=Bad Request, err=invalid character 'i' looking for beginning of value")

	var userUnmarshalTypeError = struct {
		ID   string `json:"id"`
		Name string `json:"name"`
	}{}

	req = httptest.NewRequest(http.MethodPost, "/", strings.NewReader(userJSON))
	rec = httptest.NewRecorder()
	c = e.NewContext(req, rec)
	err = enc.Deserialize(c, &userUnmarshalTypeError)
	assert.IsType(t, &HTTPError{}, err)
	assert.EqualError(t, err, "code=400, message=Bad Request, err=json: cannot unmarshal number into Go struct field .id of type string")

}