fixed bug in textstyleparser + added unittests

src/utils/textstyleparser_test.go

@@ -0,0 +1,34 @@
+package utils
+
+import "testing"
+import "reflect"
+
+func expectMessageEqual(t *testing.T, message1 string, message2 string) {
+	if message1 != message2 {
+		t.Errorf("got %q, wanted %q", message1, message2)
+	}
+}
+
+func expectFormatStringsEqual(t *testing.T, formatStrings1 []string, formatStrings2 []string) {
+	if !reflect.DeepEqual(formatStrings1, formatStrings2) {
+		t.Errorf("got %q, wanted %q", formatStrings1, formatStrings2)
+	}
+}
+
+func TestSimpleMessage1(t *testing.T) {
+    message, signalCliFormatStrings := ParseMarkdownMessage("*italic*")
+	expectMessageEqual(t, message, "italic")
+	expectFormatStringsEqual(t, signalCliFormatStrings, []string{"0:6:ITALIC"})
+}
+
+func TestSimpleMessage(t *testing.T) {
+    message, signalCliFormatStrings := ParseMarkdownMessage("*This is a italic message*")
+	expectMessageEqual(t, message, "This is a italic message")
+	expectFormatStringsEqual(t, signalCliFormatStrings, []string{"0:24:ITALIC"})
+}
+
+func TestBoldAndItalicMessage(t *testing.T) {
+    message, signalCliFormatStrings := ParseMarkdownMessage("This is a **bold** and *italic* message")
+	expectMessageEqual(t, message, "This is a bold and italic message")
+	expectFormatStringsEqual(t, signalCliFormatStrings, []string{"10:4:BOLD", "19:6:ITALIC"})
+}