Function TestNil

driver/oss/s3_test.go:154–209

TestNil tests the behaviour when passing nil or pointers to nil values to some methods. Note: This test is only executed if the initial connection to S3 works.

(t *testing.T)

//
// Note: This test is only executed if the initial connection to S3 works.
func TestNil(t *testing.T) {
	if !checkConnection() {
		t.Skip("No connection to S3 could be established. Probably not running in a proper test environment.")
	}

	// Test setting nil

	t.Run("set nil with JSON marshalling", func(t *testing.T) {
		client := createClient(t, encoding.JSON)
		err := client.Set("foo", nil)
		if err == nil {
			t.Error("Expected an error")
		}
	})

	t.Run("set nil with Gob marshalling", func(t *testing.T) {
		client := createClient(t, encoding.Gob)
		err := client.Set("foo", nil)
		if err == nil {
			t.Error("Expected an error")
		}
	})

	// Test passing nil or pointer to nil value for retrieval

	createTest := func(codec encoding.Codec) func(t *testing.T) {
		return func(t *testing.T) {
			client := createClient(t, codec)

			// Prep
			err := client.Set("foo", test.Foo{Bar: "baz"})
			if err != nil {
				t.Error(err)
			}

			_, err = client.Get("foo", nil) // actually nil
			if err == nil {
				t.Error("An error was expected")
			}

			var i interface{} // actually nil
			_, err = client.Get("foo", i)
			if err == nil {
				t.Error("An error was expected")
			}

			var valPtr *test.Foo // nil value
			_, err = client.Get("foo", valPtr)
			if err == nil {
				t.Error("An error was expected")
			}
		}
	}
	t.Run("get with nil / nil value parameter", createTest(encoding.JSON))
	t.Run("get with nil / nil value parameter", createTest(encoding.Gob))
}

// TestClose tests if the close method returns any errors.