associate random colours with authors

pkg/gui/presentation/commits_test.go

@@ -0,0 +1,17 @@
+package presentation
+
+import "testing"
+
+func TestGetInitials(t *testing.T) {
+	for input, output := range map[string]string{
+		"Jesse Duffield":     "JD",
+		"Jesse Duffield Man": "JD",
+		"JesseDuffield":      "Je",
+		"J":                  "J",
+		"":                   "",
+	} {
+		if output != getInitials(input) {
+			t.Errorf("Expected %s to be %s", input, output)
+		}
+	}
+}