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mirror of https://github.com/walles/moar.git synced 2024-11-27 01:05:23 +03:00
moar/m/search_test.go
Johan Walles a9d1ad542d Move gotoLineString to where it should be
It only lives as long as the GotoLine mode does, so it should be part of
that struct.
2024-01-09 17:28:49 +01:00

128 lines
3.5 KiB
Go

package m
import (
"testing"
"github.com/walles/moar/twin"
"gotest.tools/v3/assert"
)
func modeName(pager *Pager) string {
switch pager.mode.(type) {
case PagerModeViewing:
return "Viewing"
case PagerModeNotFound:
return "NotFound"
case PagerModeSearch:
return "Search"
case *PagerModeGotoLine:
return "GotoLine"
default:
panic("Unknown pager mode")
}
}
// Create a pager with three screen lines reading from a six lines stream
func createThreeLinesPager(t *testing.T) *Pager {
reader := NewReaderFromText("", "a\nb\nc\nd\ne\nf\n")
screen := twin.NewFakeScreen(20, 3)
pager := NewPager(reader)
pager.screen = screen
assert.Equal(t, "Viewing", modeName(pager), "Initial pager state")
return pager
}
func TestScrollToNextSearchHit_StartAtBottom(t *testing.T) {
// Create a pager scrolled to the last line
pager := createThreeLinesPager(t)
pager.scrollToEnd()
// Set the search to something that doesn't exist in this pager
pager.searchString = "xxx"
pager.searchPattern = toPattern(pager.searchString)
// Scroll to the next search hit
pager.scrollToNextSearchHit()
assert.Equal(t, "NotFound", modeName(pager))
}
func TestScrollToNextSearchHit_StartAtTop(t *testing.T) {
// Create a pager scrolled to the first line
pager := createThreeLinesPager(t)
// Set the search to something that doesn't exist in this pager
pager.searchString = "xxx"
pager.searchPattern = toPattern(pager.searchString)
// Scroll to the next search hit
pager.scrollToNextSearchHit()
assert.Equal(t, "NotFound", modeName(pager))
}
func TestScrollToNextSearchHit_WrapAfterNotFound(t *testing.T) {
// Create a pager scrolled to the last line
pager := createThreeLinesPager(t)
pager.scrollToEnd()
// Search for "a", it's on the first line (ref createThreeLinesPager())
pager.searchString = "a"
pager.searchPattern = toPattern(pager.searchString)
// Scroll to the next search hit, this should take us into _NotFound
pager.scrollToNextSearchHit()
assert.Equal(t, "NotFound", modeName(pager))
// Scroll to the next search hit, this should wrap the search and take us to
// the top
pager.scrollToNextSearchHit()
assert.Equal(t, "Viewing", modeName(pager))
assert.Assert(t, pager.lineNumber().IsZero())
}
func TestScrollToNextSearchHit_WrapAfterFound(t *testing.T) {
// Create a pager scrolled to the last line
pager := createThreeLinesPager(t)
pager.scrollToEnd()
// Search for "f", it's on the last line (ref createThreeLinesPager())
pager.searchString = "f"
pager.searchPattern = toPattern(pager.searchString)
// Scroll to the next search hit, this should take us into _NotFound
pager.scrollToNextSearchHit()
assert.Equal(t, "NotFound", modeName(pager))
// Scroll to the next search hit, this should wrap the search and take us
// back to the bottom again
pager.scrollToNextSearchHit()
assert.Equal(t, "Viewing", modeName(pager))
assert.Equal(t, 5, pager.lineNumber().AsOneBased())
}
// Ref: https://github.com/walles/moar/issues/152
func Test152(t *testing.T) {
// Show a pager on a five lines terminal
reader := NewReaderFromText("", "a\nab\nabc\nabcd\nabcde\nabcdef\n")
screen := twin.NewFakeScreen(20, 5)
pager := NewPager(reader)
pager.screen = screen
assert.Equal(t, "Viewing", modeName(pager), "Initial pager state")
// Search for the first not-visible hit
pager.searchString = "abcde"
searchMode := PagerModeSearch{pager: pager}
pager.mode = searchMode
// Scroll to the next search hit
searchMode.updateSearchPattern()
assert.Equal(t, "Search", modeName(pager))
assert.Equal(t, 3, pager.lineNumber().AsOneBased())
}