Method NavigateToLine

pkg/integration/components/view_driver.go:484–550

this will look for a list item in the current panel and if it finds it, it will enter the keypresses required to navigate to it. The test will fail if: - the user is not in a list item - no list item is found containing the given text - multiple list items are found containing the given text in the

(matcher *TextMatcher)

// - no list item is found containing the given text
// - multiple list items are found containing the given text in the initial page of items
func (self *ViewDriver) NavigateToLine(matcher *TextMatcher) *ViewDriver {
	self.IsFocused()

	view := self.getView()
	lines := view.BufferLines()

	matchIndex := -1

	self.t.assertWithRetries(func() (bool, string) {
		var matches []string
		// first we look for a duplicate on the current screen. We won't bother looking beyond that though.
		for i, line := range lines {
			ok, _ := matcher.test(line)
			if ok {
				matches = append(matches, line)
				matchIndex = i
			}
		}
		if len(matches) > 1 {
			return false, fmt.Sprintf("Found %d matches for `%s`, expected only a single match. Matching lines:\n%s", len(matches), matcher.name(), strings.Join(matches, "\n"))
		}
		return true, ""
	})

	// If no match was found, it could be that this is a view that renders only
	// the visible lines. In that case, we jump to the top and then press
	// down-arrow until we found the match. We simply return the first match we
	// find, so we have no way to assert that there are no duplicates.
	if matchIndex == -1 {
		self.GotoTop()
		matchIndex = len(lines)
	}

	selectedLineIdx := self.getSelectedLineIdx()
	if selectedLineIdx == matchIndex {
		return self.SelectedLine(matcher)
	}

	// At this point we can't just take the difference of selected and matched
	// index and press up or down arrow this many times. The reason is that
	// there might be section headers between those lines, and these will be
	// skipped when pressing up or down arrow. So we must keep pressing the
	// arrow key in a loop, and check after each one whether we now reached the
	// target line.
	var maxNumKeyPresses int
	var keyPress func()
	if selectedLineIdx < matchIndex {
		maxNumKeyPresses = matchIndex - selectedLineIdx
		keyPress = func() { self.SelectNextItem() }
	} else {
		maxNumKeyPresses = selectedLineIdx - matchIndex
		keyPress = func() { self.SelectPreviousItem() }
	}

	for range maxNumKeyPresses {
		keyPress()
		idx := self.getSelectedLineIdx()
		// It is important to use view.BufferLines() here and not lines, because it