Squish: Make presence of Qt4 optional

It is hard to build Qt4 nowadays. Any machine set up
today won't be able to build it without hazzle.
So, make it optional inside the Squish tests to avoid
fails and fatals. Use a different available Qt instead.

Change-Id: I151d809f4fada8047a30940a183f913af2a1a691
Reviewed-by: <github-actions-qt-creator@cristianadam.eu>
Reviewed-by: Robert Löhning <robert.loehning@qt.io>

tests/system/README

@@ -5,6 +5,7 @@ Squish tests inside this folder have several prerequisites to get them running.
 First - and most important - you have to own a valid Squish license. At least Squish 6.0 is required.
 
 Second - some of the test suites/test cases expect a build of Qt 4.8.7 to be available:
+[ this is optional and if Qt4 is not available some Qt5 will be tried to use instead ]
  1. Download the source code from:
     * Windows: https://download.qt.io/archive/qt/4.8/4.8.7/qt-everywhere-opensource-src-4.8.7.zip
     * Other: https://download.qt.io/archive/qt/4.8/4.8.7/qt-everywhere-opensource-src-4.8.7.tar.gz

tests/system/shared/classes.py

@@ -52,6 +52,8 @@ class Targets:
             availableTargets.remove(Targets.EMBEDDED_LINUX)
         elif platform.system() == 'Darwin':
             availableTargets.remove(Targets.DESKTOP_5_4_1_GCC)
+        if not qt4Available:
+            availableTargets.remove(Targets.DESKTOP_4_8_7_DEFAULT)
         return availableTargets
 
     @staticmethod

tests/system/shared/project.py

@@ -69,7 +69,10 @@ def openCmakeProject(projectPath, buildDir):
     invokeMenuItem("File", "Open File or Project...")
     selectFromFileDialog(projectPath)
     __chooseTargets__([]) # uncheck all
-    __chooseTargets__([Targets.DESKTOP_4_8_7_DEFAULT], additionalFunc=additionalFunction)
+    targetToChoose = Targets.DESKTOP_4_8_7_DEFAULT # FIXME make the intended target a parameter
+    if not qt4Available:
+        targetToChoose = Targets.DESKTOP_5_14_1_DEFAULT
+    __chooseTargets__([targetToChoose], additionalFunc=additionalFunction)
     clickButton(waitForObject(":Qt Creator.Configure Project_QPushButton"))
     return True
 
@@ -511,6 +514,7 @@ def __getSupportedPlatforms__(text, templateName, getAsStrings=False):
         result = set()
         if 'Desktop' in supports:
             if (version == None or version < "5.0") and not templateName.startswith("Qt Quick 2"):
+                if qt4Available:
                     result.add(Targets.DESKTOP_4_8_7_DEFAULT)
                 if platform.system() in ("Linux", "Darwin"):
                     result.add(Targets.EMBEDDED_LINUX)

tests/system/shared/qtcreator.py

@@ -339,6 +339,8 @@ elif platform.system() == 'Darwin':
 else:
     origSettingsDir = os.path.join(origSettingsDir, "unix")
 
+qt4Available = os.path.exists(qt4Path)
+
 srcPath = os.getenv("SYSTEST_SRCPATH", os.path.expanduser(os.path.join("~", "squish-data")))
 
 # the following only doesn't work if the test ends in an exception

tests/system/suite_CSUP/tst_CSUP03/test.py

@@ -78,8 +78,10 @@ def main():
                 continue
             if not startCreatorVerifyingClang(useClang):
                 continue
-            projectName = createNewNonQtProject(tempDir(), "project-csup03",
-                                                [Targets.DESKTOP_4_8_7_DEFAULT])
+            targetToChoose = Targets.DESKTOP_4_8_7_DEFAULT
+            if not qt4Available:
+                targetToChoose = Targets.DESKTOP_5_14_1_DEFAULT
+            projectName = createNewNonQtProject(tempDir(), "project-csup03", [targetToChoose])
             checkCodeModelSettings(useClang)
             openDocument("%s.Sources.main\\.cpp" % projectName)
             editor = getEditorForFileSuffix("main.cpp")

tests/system/suite_HELP/tst_HELP04/test.py

@@ -69,6 +69,7 @@ def main():
     startQC()
     if not startedWithoutPluginError():
         return
+    if qt4Available:
         addHelpDocumentation([os.path.join(qt4Path, "doc", "qch", "qt.qch")])
     # switch to help mode
     switchViewTo(ViewConstants.HELP)

tests/system/suite_general/tst_build_speedcrunch/test.py

@@ -41,7 +41,10 @@ def main():
     startQC()
     if not startedWithoutPluginError():
         return
-    openQmakeProject(SpeedCrunchPath, [Targets.DESKTOP_4_8_7_DEFAULT])
+    targetToChoose = Targets.DESKTOP_4_8_7_DEFAULT
+    if not qt4Available:
+        targetToChoose = Targets.DESKTOP_5_14_1_DEFAULT
+    openQmakeProject(SpeedCrunchPath, [targetToChoose])
     waitForProjectParsing()
 
     fancyToolButton = waitForObject(":*Qt Creator_Core::Internal::FancyToolButton")

tests/system/suite_general/tst_openqt_creator/test.py

@@ -36,7 +36,10 @@ def main():
         return
 
     runButton = findObject(':*Qt Creator.Run_Core::Internal::FancyToolButton')
-    openQmakeProject(pathSpeedcrunch, [Targets.DESKTOP_4_8_7_DEFAULT])
+    targetToChoose = Targets.DESKTOP_4_8_7_DEFAULT
+    if not qt4Available:
+        targetToChoose = Targets.DESKTOP_5_14_1_DEFAULT
+    openQmakeProject(pathSpeedcrunch, [targetToChoose])
     # Wait for parsing to complete
     waitFor("runButton.enabled", 30000)
     # Starting before opening, because this is where Creator froze (QTCREATORBUG-10733)