teatest

func AssertExactWidth ¶

func AssertExactWidth(t *testing.T, expected int, output string)

AssertExactWidth fails if the widest line in output doesn't equal expected.

func AssertMaxWidth ¶

func AssertMaxWidth(t *testing.T, maxWidth int, output string)

AssertMaxWidth fails if any line in output exceeds maxWidth.

func AssertNoRawEscapes ¶

func AssertNoRawEscapes(t *testing.T, output string)

AssertNoRawEscapes fails if any line contains a broken/visible escape sequence. A raw escape looks like "38;2;110;231;183m" — ANSI parameters without the leading ESC[.

func DrainCmds ¶ added in v1.18.0

func DrainCmds(update func(tea.Msg) tea.Cmd, cmd tea.Cmd, maxSteps int)

DrainCmds executes a tea.Cmd and feeds resulting messages back through the update function. Handles tea.BatchMsg by expanding and executing each sub-command.

Each cmd is executed with a timeout. Cmds that block (e.g. channel reads waiting on a stream) are skipped. This makes DrainCmds safe to use with models that have in-flight async work.

Stops after maxSteps to prevent infinite loops in tests.