Function Contains

assert/assertions.go:960–974

Contains asserts that the specified string, list(array, slice...) or map contains the specified substring or element. assert.Contains(t, "Hello World", "World") assert.Contains(t, ["Hello", "World"], "World") assert.Contains(t, {"Hello": "World"}, "Hello")

(t TestingT, s, contains interface{}, msgAndArgs ...interface{})

//	assert.Contains(t, ["Hello", "World"], "World")
//	assert.Contains(t, {"Hello": "World"}, "Hello")
func Contains(t TestingT, s, contains interface{}, msgAndArgs ...interface{}) bool {
	if h, ok := t.(tHelper); ok {
		h.Helper()
	}

	ok, found := containsElement(s, contains)
	if !ok {
		return Fail(t, fmt.Sprintf("%#v could not be applied builtin len()", s), msgAndArgs...)
	}
	if !found {
		return Fail(t, fmt.Sprintf("%#v does not contain %#v", s, contains), msgAndArgs...)
	}

	return true
}

// NotContains asserts that the specified string, list(array, slice...) or map does NOT contain the
// specified substring or element.