Function TestLoggerWith

logger_test.go:128–176

(t *testing.T)

}

func TestLoggerWith(t *testing.T) {
	tests := []struct {
		name          string
		initialFields []Field
		withMethod    func(*Logger, ...Field) *Logger
	}{
		{
			"regular non lazy logger",
			[]Field{Int("foo", 42)},
			(*Logger).With,
		},
		{
			"regular non lazy logger no initial fields",
			[]Field{},
			(*Logger).With,
		},
		{
			"lazy with logger",
			[]Field{Int("foo", 42)},
			(*Logger).WithLazy,
		},
		{
			"lazy with logger no initial fields",
			[]Field{},
			(*Logger).WithLazy,
		},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			withLogger(t, DebugLevel, opts(Fields(tt.initialFields...)), func(logger *Logger, logs *observer.ObservedLogs) {
				// Child loggers should have copy-on-write semantics, so two children
				// shouldn't stomp on each other's fields or affect the parent's fields.
				tt.withMethod(logger).Info("")
				tt.withMethod(logger, String("one", "two")).Info("")
				tt.withMethod(logger, String("three", "four")).Info("")
				tt.withMethod(logger, String("five", "six")).With(String("seven", "eight")).Info("")
				logger.Info("")

				assert.Equal(t, []observer.LoggedEntry{
					{Context: tt.initialFields},
					{Context: append(tt.initialFields, String("one", "two"))},
					{Context: append(tt.initialFields, String("three", "four"))},
					{Context: append(tt.initialFields, String("five", "six"), String("seven", "eight"))},
					{Context: tt.initialFields},
				}, logs.AllUntimed(), "Unexpected cross-talk between child loggers.")
			})
		})
	}
}

func TestLoggerWithCaptures(t *testing.T) {
	type withF func(*Logger, ...Field) *Logger