Git: components 301-320

inline_diff_test.go

@@ -0,0 +1,49 @@
+package mujica
+
+import (
+	"testing"
+
+	"github.com/egoist/mygo/ui"
+)
+
+func TestInlineDiffNamesAndShowsBothLines(t *testing.T) {
+	tt := ui.NewTester(func(c *ui.Context) {
+		Use(c, Settings{})
+		InlineDiff(c, "The court meets at noon", "The court meets at dusk", InlineDiffOptions{})
+	}, 600, 120)
+	if _, ok := tt.Find("Old: The court meets at noon"); !ok {
+		t.Fatalf("old line: %q", tt.Texts())
+	}
+	if _, ok := tt.Find("New: The court meets at dusk"); !ok {
+		t.Fatalf("new line: %q", tt.Texts())
+	}
+}
+
+func TestInlineDiffCachesWords(t *testing.T) {
+	from, to := "a b", "a c"
+	var cache *inlineDiffCache
+	tt := ui.NewTester(func(c *ui.Context) {
+		Use(c, Settings{})
+		e := InlineDiff(c, from, to, InlineDiffOptions{Mono: true})
+		cache = *ui.Local(e, "words", func() *inlineDiffCache { return nil })
+	}, 300, 100)
+	first := &cache.a[0]
+	tt.Frame()
+	if &cache.a[0] != first {
+		t.Fatal("word diff recomputed without a change")
+	}
+	to = "a d"
+	tt.Frame()
+	if cache.b[1].Text != "d" {
+		t.Fatalf("new text not diffed: %+v", cache.b)
+	}
+}
+
+func TestInlineDiffSnapshot(t *testing.T) {
+	snapshot(t, "inline_diff", 560, 200, func(c *ui.Context) {
+		ui.Column(c).Padding(16).Gap(12).Children(func() {
+			InlineDiff(c, "The court meets at noon in the east hall.", "The council meets at dusk in the east hall.", InlineDiffOptions{})
+			InlineDiff(c, "return a + b", "return a - total", InlineDiffOptions{Mono: true})
+		})
+	})
+}