apptest

package
v0.13.0 Latest Latest
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 Go to latest Published: Jan 1, 2020 License: BSD-2-Clause Imports: 8 Imported by: 0

Documentation

Overview

Package apptest provides utilities for testing cli.App.

Index

Constants

View Source 
const (
	FakeTTYHeight = 20
	FakeTTYWidth  = 50
)

Initial size of fake TTY.

Variables

View Source 
var Styles = ui.RuneStylesheet{
	'_': ui.Underlined,
	'*': ui.Stylings(ui.Bold, ui.FgWhite, ui.BgMagenta),
	'+': ui.Inverse,
	'/': ui.FgBlue,
	'#': ui.Stylings(ui.Inverse, ui.FgBlue),
	'!': ui.FgRed,
	'?': ui.BgRed,
	'-': ui.FgMagenta,
	'X': ui.Stylings(ui.Inverse, ui.FgMagenta),
	'v': ui.FgGreen,
	'V': ui.Stylings(ui.Underlined, ui.FgGreen),
	'$': ui.FgMagenta,
}

Common stylesheet.

Functions

func StartReadCode 

func StartReadCode(readCode func() (string, error)) (<-chan string, <-chan error)

StartReadCode starts the given function asynchronously. It returns two channels; when the function returns, the return values will be delivered on those two channels and the two channels will be closed.

func WithSpec 

func WithSpec(f func(*cli.AppSpec)) func(*cli.AppSpec, TTYCtrl)

WithSpec takes a function that operates on *cli.AppSpec, and wraps it into a form suitable for passing to Setup.

func WithTTY 

func WithTTY(f func(TTYCtrl)) func(*cli.AppSpec, TTYCtrl)

WithTTY takes a function that operates on TTYCtrl, and wraps it to a form suitable for passing to Setup.

Types

type Fixture 

type Fixture struct {
	App cli.App
	TTY TTYCtrl
	// contains filtered or unexported fields
}

Fixture is a test fixture.

func Setup 

func Setup(fns ...func(*cli.AppSpec, TTYCtrl)) *Fixture

Setup sets up a test fixture. It contains an App whose ReadCode method has been started asynchronously.

func (*Fixture) MakeBuffer 

func (f *Fixture) MakeBuffer(args ...interface{}) *term.Buffer

MakeBuffer is a helper for building a buffer. It is equivalent to term.NewBufferBuilder(width of terminal).MarkLines(args...).Buffer().

func (*Fixture) Stop 

func (f *Fixture) Stop()

Stop stops ReadCode and waits for it to finish. If ReadCode has already been stopped, it is a no-op.

func (*Fixture) TestTTY 

func (f *Fixture) TestTTY(t *testing.T, args ...interface{})

TestTTY is equivalent to f.TTY.TestBuffer(f.MakeBuffer(args...)).

func (*Fixture) TestTTYNotes 

func (f *Fixture) TestTTYNotes(t *testing.T, args ...interface{})

TestTTYNotes is equivalent to f.TTY.TestNotesBuffer(f.MakeBuffer(args...)).

func (*Fixture) Wait 

func (f *Fixture) Wait() (string, error)

Wait waits for ReaCode to finish, and returns its return values.

type TTYCtrl 

type TTYCtrl struct {
	// contains filtered or unexported fields
}

TTYCtrl is an interface for controlling a fake terminal.

func GetTTYCtrl 

func GetTTYCtrl(t cli.TTY) (TTYCtrl, bool)

GetTTYCtrl takes a TTY and returns a TTYCtrl and true, if the TTY is a fake terminal. Otherwise it returns an invalid TTYCtrl and false.

func NewFakeTTY 

func NewFakeTTY() (cli.TTY, TTYCtrl)

NewFakeTTY creates a new FakeTTY and a handle for controlling it. The initial size of the terminal is FakeTTYHeight and FakeTTYWidth.

func (TTYCtrl) Buffer 

func (t TTYCtrl) Buffer() *term.Buffer

Returns the last recorded buffer.

func (TTYCtrl) BufferHistory 

func (t TTYCtrl) BufferHistory() []*term.Buffer

BufferHistory returns a slice of all buffers that have appeared.

func (TTYCtrl) EventCh 

func (t TTYCtrl) EventCh() chan term.Event

EventCh returns the underlying channel for delivering events.

func (TTYCtrl) Inject 

func (t TTYCtrl) Inject(events ...term.Event)

Inject injects events to the fake terminal.

func (TTYCtrl) InjectSignal 

func (t TTYCtrl) InjectSignal(sigs ...os.Signal)

InjectSignal injects signals.

func (TTYCtrl) LastBuffer 

func (t TTYCtrl) LastBuffer() *term.Buffer

LastBuffer returns the last buffer that has appeared.

func (TTYCtrl) LastNotesBuffer 

func (t TTYCtrl) LastNotesBuffer() *term.Buffer

func (TTYCtrl) NotesBufferHistory 

func (t TTYCtrl) NotesBufferHistory() []*term.Buffer

NotesBufferHistory returns a slice of all notes buffers that have appeared.

func (TTYCtrl) NotifySignals 

func (t TTYCtrl) NotifySignals() <-chan os.Signal

func (TTYCtrl) RawInput 

func (t TTYCtrl) RawInput() int

RawInput returns the argument in the last call to the SetRawInput method of the TTY.

func (TTYCtrl) ReadEvent 

func (t TTYCtrl) ReadEvent() (term.Event, error)

Returns next event from t.eventCh.

func (TTYCtrl) ResetBuffer 

func (t TTYCtrl) ResetBuffer()

Records a nil buffer.

func (TTYCtrl) SetRawInput 

func (t TTYCtrl) SetRawInput(n int)

Nop.

func (TTYCtrl) SetSetup 

func (t TTYCtrl) SetSetup(restore func(), err error)

SetSetup sets the return values of the Setup method of the fake terminal.

func (TTYCtrl) SetSize 

func (t TTYCtrl) SetSize(h, w int)

SetSize sets the size of the fake terminal.

func (TTYCtrl) Setup 

func (t TTYCtrl) Setup() (func(), error)

Delegates to the setup function specified using the SetSetup method of TTYCtrl, or return a nop function and a nil error.

func (TTYCtrl) Size 

func (t TTYCtrl) Size() (h, w int)

Returns the size specified by using the SetSize method of TTYCtrl.

func (TTYCtrl) StopInput 

func (t TTYCtrl) StopInput()

Closes t.eventCh.

func (TTYCtrl) StopSignals 

func (t TTYCtrl) StopSignals()

func (TTYCtrl) TestBuffer 

func (t TTYCtrl) TestBuffer(tt *testing.T, b *term.Buffer)

TestBuffer verifies that a buffer will appear within the timeout of 4 seconds, and fails the test if it doesn't

func (TTYCtrl) TestNotesBuffer 

func (t TTYCtrl) TestNotesBuffer(tt *testing.T, b *term.Buffer)

TestNotesBuffer verifies that a notes buffer will appear within the timeout of 4 seconds, and fails the test if it doesn't

func (TTYCtrl) UpdateBuffer 

func (t TTYCtrl) UpdateBuffer(bufNotes, buf *term.Buffer, _ bool) error

UpdateBuffer records a new pair of buffers, i.e. sending them to their respective channels and appending them to their respective slices.

Source Files

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