Split into category packages; module github.com/ZacharyZhang-NY/MujicaUI

git/diff_stat_test.go

@@ -0,0 +1,62 @@
+package git
+
+import (
+	"testing"
+
+	"github.com/egoist/mygo/ui"
+
+	"github.com/ZacharyZhang-NY/MujicaUI/core"
+)
+
+func TestDiffStatBlocks(t *testing.T) {
+	for _, tc := range []struct{ a, d, n, plus, minus int }{
+		{0, 0, 5, 0, 0},
+		{10, 0, 5, 5, 0},
+		{0, 3, 5, 0, 5},
+		{6, 4, 5, 3, 2},
+		{1000, 1, 5, 4, 1},
+		{1, 1000, 5, 1, 4},
+		{1, 1, 1, 1, 0},
+	} {
+		p, m := diffStatBlocks(tc.a, tc.d, tc.n)
+		if p != tc.plus || m != tc.minus {
+			t.Errorf("blocks(%d,%d,%d) = %d,%d want %d,%d", tc.a, tc.d, tc.n, p, m, tc.plus, tc.minus)
+		}
+	}
+}
+
+func TestDiffStatTextAndName(t *testing.T) {
+	tt := ui.NewTester(func(c *ui.Context) {
+		core.Use(c, core.Settings{})
+		DiffStat(c, 12, 3, DiffStatOptions{})
+	}, 300, 60)
+	if !tt.HasText("+12") || !tt.HasText("−3") {
+		t.Fatalf("counts: %q", tt.Texts())
+	}
+	if _, ok := tt.Find("12 additions, 3 deletions"); !ok {
+		t.Fatal("not named for assistive technology")
+	}
+	for _, tc := range []struct{ a, d, n int }{{-1, 0, 0}, {0, -1, 0}, {1, 1, -2}} {
+		func() {
+			defer func() {
+				if recover() == nil {
+					t.Errorf("%v did not panic", tc)
+				}
+			}()
+			ui.Render(func(c *ui.Context) {
+				core.Use(c, core.Settings{})
+				DiffStat(c, tc.a, tc.d, DiffStatOptions{Blocks: tc.n})
+			}, 100, 50, 1)
+		}()
+	}
+}
+
+func TestDiffStatSnapshot(t *testing.T) {
+	snapshot(t, "diff_stat", 360, 120, func(c *ui.Context) {
+		ui.Column(c).Padding(16).Gap(10).Children(func() {
+			DiffStat(c, 128, 32, DiffStatOptions{})
+			DiffStat(c, 4, 0, DiffStatOptions{})
+			DiffStat(c, 0, 0, DiffStatOptions{Blocks: 8})
+		})
+	})
+}