wasm: add "skip" support to qtwasmtestlib

We're not looking to skip faulty tests, but there are cases
where we would like to indicate that a test function exists
but can't run because some precondition is not met.

Pick-to: 6.4
Change-Id: Ifaaafcfa7a55beaaf56d8b25fabbe3dc2566350f
Reviewed-by: Tor Arne Vestbø <tor.arne.vestbo@qt.io>
Reviewed-by: Mikołaj Boc <Mikolaj.Boc@qt.io>

tests/manual/wasm/qtwasmtestlib/qtwasmtestlib.cpp

@@ -45,8 +45,22 @@ void verify(bool condition, std::string_view conditionString, std::string_view f
 // thread-safe and call be called from any thread.
 void completeTestFunction(TestResult result, std::string message)
 {
+    auto resultString = [](TestResult result) {
+        switch (result) {
+        case TestResult::Pass:
+            return "PASS";
+        break;
+        case TestResult::Fail:
+            return "FAIL";
+        break;
+        case TestResult::Skip:
+            return "SKIP";
+        break;
+        }
+    };
+
     // Report test result to JavaScript test runner, on the main thread
-    runOnMainThread([resultString = result == TestResult::Pass ? "PASS" : "FAIL", message](){
+    runOnMainThread([resultString = resultString(result), message](){
         EM_ASM({
             completeTestFunction(UTF8ToString($0), UTF8ToString($1), UTF8ToString($2));
         }, g_currentTestName.c_str(), resultString, message.c_str());
@@ -97,7 +111,6 @@ std::string getTestFunctions()
 void runTestFunction(std::string name)
 {
     g_currentTestName = name;
-    QMetaObject::invokeMethod(g_testObject, "init");
     QMetaObject::invokeMethod(g_testObject, name.c_str());
 }
 

tests/manual/wasm/qtwasmtestlib/qtwasmtestlib.h

@@ -13,6 +13,7 @@ namespace QtWasmTest {
 enum TestResult {
     Pass,
     Fail,
+    Skip,
 };
 
 std::string formatMessage(std::string_view file,

tests/manual/wasm/qtwasmtestlib/qtwasmtestlib.js

@@ -156,8 +156,18 @@ function testFunctionStarted(name) {
 }
 
 function testFunctionCompleted(status) {
-    const color = status.startsWith("PASS") ? "green" : status.startsWith("FAIL") ? "red" : "black";
-    let line = `<span style='color: ${color};'>${status}</text><br>`;
+
+    const color = (status) => {
+        if (status.startsWith("PASS"))
+            return "green";
+        if (status.startsWith("FAIL"))
+            return "red";
+        if (status.startsWith("SKIP"))
+            return "tan";
+        return "black";
+    };
+
+    const line = `<span style='color: ${color(status)};'>${status}</text><br>`;
     g_htmlLogElement.innerHTML += line;
 }