Function TestValueBinder_JSONUnmarshaler

binder_test.go:2193–2282

(t *testing.T)

}

func TestValueBinder_JSONUnmarshaler(t *testing.T) {
	example := big.NewInt(999)

	var testCases = []struct {
		name            string
		whenURL         string
		expectError     string
		expectValue     big.Int
		givenBindErrors []error
		givenFailFast   bool
		whenMust        bool
	}{
		{
			name:        "ok, binds value",
			whenURL:     "/search?param=999&param=998",
			expectValue: *example,
		},
		{
			name:        "ok, params values empty, value is not changed",
			whenURL:     "/search?nope=1",
			expectValue: big.Int{},
		},
		{
			name:          "nok, previous errors fail fast without binding value",
			givenFailFast: true,
			whenURL:       "/search?param=1&param=100",
			expectValue:   big.Int{},
			expectError:   "previous error",
		},
		{
			name:        "nok, conversion fails, value is not changed",
			whenURL:     "/search?param=nope&param=xxx",
			expectValue: big.Int{},
			expectError: "code=400, message=failed to bind field value to json.Unmarshaler interface, err=math/big: cannot unmarshal \"nope\" into a *big.Int, field=param",
		},
		{
			name:        "ok (must), binds value",
			whenMust:    true,
			whenURL:     "/search?param=999&param=998",
			expectValue: *example,
		},
		{
			name:        "ok (must), params values empty, returns error, value is not changed",
			whenMust:    true,
			whenURL:     "/search?nope=1",
			expectValue: big.Int{},
			expectError: "code=400, message=required field value is empty, field=param",
		},
		{
			name:          "nok (must), previous errors fail fast without binding value",
			givenFailFast: true,
			whenMust:      true,
			whenURL:       "/search?param=1&param=xxx",
			expectValue:   big.Int{},
			expectError:   "previous error",
		},
		{
			name:        "nok (must), conversion fails, value is not changed",