wehub-resource-sync
54 lines
1.9 KiB
Go
54 lines
1.9 KiB
Go
package cli
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import (
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"strings"
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"testing"
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"github.com/charmbracelet/x/ansi"
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"reasonix/internal/event"
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)
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// TestDiffTabExpansion proves tab-indented code (Go) renders with no literal tabs
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// and a bar that runs exactly to width — a tab has zero StringWidth but the
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// terminal expands it, which would otherwise overflow the background bar.
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func TestDiffTabExpansion(t *testing.T) {
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defer func(prev bool) { colorEnabled = prev }(colorEnabled)
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colorEnabled = true
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width := 40
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d := event.FileDiff{Diff: "@@ -1 +1 @@\n+\t\tresult := compute()\n", Added: 1}
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for _, r := range diffBody(d, "x.go", width, 40) {
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if strings.ContainsRune(r, '\t') {
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t.Errorf("row keeps a literal tab (terminal overflows the bar): %q", r)
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}
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if strings.Contains(r, "result") && ansi.StringWidth(r) != width {
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t.Errorf("bar width = %d, want %d: %q", ansi.StringWidth(r), width, r)
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}
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}
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}
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// TestRenderNarrowNoPanic guards the width math against tiny terminals.
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func TestRenderNarrowNoPanic(t *testing.T) {
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defer func(prev bool) { colorEnabled = prev }(colorEnabled)
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colorEnabled = true
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d := event.FileDiff{Diff: "@@ -1 +1 @@\n-\told 你好\n+\tnew 世界\n", Added: 1, Removed: 1}
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for _, w := range []int{1, 2, 3, 5, 8, 20} {
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_ = diffBody(d, "x.go", w, 40)
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_ = toolCard("bash", `{"command":"go test ./... 你好 long command"}`, w)
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}
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}
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// TestDiffKeepsHeaderLikeContent proves a deleted "-- x" / added "++ y" line
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// (which render as "--- x" / "+++ y") is kept, not mistaken for a file header.
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func TestDiffKeepsHeaderLikeContent(t *testing.T) {
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d := event.FileDiff{
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Diff: "--- a/q.sql\n+++ b/q.sql\n@@ -1,2 +1,2 @@\n-- old comment\n++ new tally\n",
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Added: 1,
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Removed: 1,
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}
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joined := strings.Join(diffBody(d, "q.sql", 80, 40), "\n")
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if !strings.Contains(joined, "old comment") || !strings.Contains(joined, "new tally") {
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t.Fatalf("header-like content was dropped:\n%s", joined)
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}
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}
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