chore: import upstream snapshot with attribution

internal/progress/format_test.go

@@ -0,0 +1,48 @@
+package progress
+
+import (
+	"testing"
+	"time"
+)
+
+func TestFmtCount(t *testing.T) {
+	cases := []struct {
+		in   int64
+		want string
+	}{
+		{0, "0"},
+		{5, "5"},
+		{999, "999"},
+		{1000, "1,000"},
+		{48210, "48,210"},
+		{612940, "612,940"},
+		{1234567, "1,234,567"},
+		{-1234, "-1,234"},
+		{-12, "-12"},
+	}
+	for _, c := range cases {
+		if got := fmtCount(c.in); got != c.want {
+			t.Errorf("fmtCount(%d) = %q, want %q", c.in, got, c.want)
+		}
+	}
+}
+
+func TestFmtDurationCompact(t *testing.T) {
+	cases := []struct {
+		in   time.Duration
+		want string
+	}{
+		{-time.Second, "1ms"},
+		{0, "1ms"},
+		{450 * time.Millisecond, "450ms"},
+		{3200 * time.Millisecond, "3.2s"},
+		{42 * time.Second, "42s"},
+		{72 * time.Second, "1m12s"},
+		{time.Hour + 5*time.Minute, "1h05m"},
+	}
+	for _, c := range cases {
+		if got := fmtDurationCompact(c.in); got != c.want {
+			t.Errorf("fmtDurationCompact(%v) = %q, want %q", c.in, got, c.want)
+		}
+	}
+}