Test tooltip description style

See https://github.com/ddnet/ddnet/issues/8870

CMakeLists.txt

@@ -2930,6 +2930,7 @@ if(GTEST_FOUND OR DOWNLOAD_GTEST)
     compression.cpp
     csv.cpp
     datafile.cpp
+    editor.cpp
     fs.cpp
     git_revision.cpp
     hash.cpp

src/game/editor/quick_actions.h

@@ -134,7 +134,7 @@ REGISTER_QUICK_ACTION(
 	ALWAYS_FALSE,
 	ALWAYS_FALSE,
 	DEFAULT_BTN,
-	"[HOME] Restore map focus.")
+	"[Home] Restore map focus.")
 REGISTER_QUICK_ACTION(
 	Proof,
 	"Proof",

src/test/editor.cpp

@@ -0,0 +1,103 @@
+#include <gtest/gtest.h>
+
+#include <base/system.h>
+
+bool is_letter(char c) { return (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z'); }
+
+bool IsValidEditorTooltip(const char *pTooltip, char *pErrorMsg, int ErrorMsgSize)
+{
+	pErrorMsg[0] = '\0';
+	char aHotkey[512];
+	aHotkey[0] = '\0';
+
+	if(pTooltip[0] == '[')
+	{
+		str_copy(aHotkey, pTooltip + 1);
+		const char *pHotkeyEnd = str_find(aHotkey, "]");
+		if(!pHotkeyEnd)
+		{
+			str_copy(pErrorMsg, "tooltip missing closing square bracket", ErrorMsgSize);
+			return false;
+		}
+		aHotkey[pHotkeyEnd - aHotkey] = '\0';
+
+		for(int i = 0; aHotkey[i]; i++)
+		{
+			bool ExpectLowerCase = true;
+			if(i == 0)
+			{
+				ExpectLowerCase = false;
+			}
+			else if(!is_letter(aHotkey[i - 1]))
+			{
+				// the first character of a word should be uppercase
+				ExpectLowerCase = false;
+			}
+
+			bool IsLower = aHotkey[i] >= 'a' && aHotkey[i] <= 'z';
+			bool IsUpper = aHotkey[i] >= 'A' && aHotkey[i] <= 'Z';
+
+			if(ExpectLowerCase && IsUpper)
+			{
+				str_format(pErrorMsg, ErrorMsgSize, "expected character '%c' at index %d to be lower case", aHotkey[i], i + 1);
+				return false;
+			}
+			if(!ExpectLowerCase && IsLower)
+			{
+				str_format(pErrorMsg, ErrorMsgSize, "expected character '%c' at index %d to be upper case", aHotkey[i], i + 1);
+				return false;
+			}
+		}
+	}
+
+	const char *pParenthesis = str_find(pTooltip, "(");
+	if(pParenthesis)
+	{
+		const char *pHotkey = str_find_nocase(pParenthesis, "ctrl");
+		if(!pHotkey)
+			pHotkey = str_find_nocase(pParenthesis, "shift");
+		if(!pHotkey)
+			pHotkey = str_find_nocase(pParenthesis, "home");
+
+		if(pHotkey)
+		{
+			int Offset = pHotkey - pTooltip;
+			str_format(pErrorMsg, ErrorMsgSize, "found hotkey at offset %d. Hotkeys must be defined at the start.", Offset);
+			return false;
+		}
+	}
+
+	if(!str_endswith(pTooltip, "."))
+	{
+		str_copy(pErrorMsg, "tooltip has to end with a dot", ErrorMsgSize);
+		return false;
+	}
+	return true;
+}
+
+void AssertTooltip(const char *pTooltip)
+{
+	char aError[512];
+	bool IsValid = IsValidEditorTooltip(pTooltip, aError, sizeof(aError));
+	if(!IsValid)
+	{
+		dbg_msg("test", "Invalid tooltip: %s", pTooltip);
+		dbg_msg("test", "ERROR: %s", aError);
+	}
+	EXPECT_TRUE(IsValid);
+}
+
+TEST(Editor, QuickActionNames)
+{
+	char aError[512];
+	EXPECT_TRUE(IsValidEditorTooltip("hello world.", aError, sizeof(aError)));
+	EXPECT_TRUE(IsValidEditorTooltip("[Ctrl+H] hello world.", aError, sizeof(aError)));
+	EXPECT_FALSE(IsValidEditorTooltip("[Ctrl+H hello world.", aError, sizeof(aError)));
+	EXPECT_FALSE(IsValidEditorTooltip("[ctrl+h] hello world.", aError, sizeof(aError)));
+	EXPECT_FALSE(IsValidEditorTooltip("hello world", aError, sizeof(aError)));
+	EXPECT_FALSE(IsValidEditorTooltip("hello world (Ctrl+H).", aError, sizeof(aError)));
+
+#define REGISTER_QUICK_ACTION(name, text, callback, disabled, active, button_color, description) AssertTooltip(description);
+#include <game/editor/quick_actions.h>
+#undef REGISTER_QUICK_ACTION
+}