Update labeling unit tests control image and PAL_SUITE test suite generation

tests/src/python/test_qgspallabeling_base.py

@@ -210,7 +210,10 @@ class TestQgsPalLabeling(TestCase):
         return res
 
     def saveContolImage(self, tmpimg=''):
-        if 'PAL_CONTROL_IMAGE' not in os.environ:
+        # don't save control images for RenderVsOtherOutput (Vs) tests, since
+        # those control images belong to a different test result
+        if ('PAL_CONTROL_IMAGE' not in os.environ
+                or 'Vs' in self._TestGroup):
             return
         testgrpdir = 'expected_' + self._TestGroupPrefix
         testdir = os.path.join(self._TestDataDir, 'control_images',
@@ -228,6 +231,10 @@ class TestQgsPalLabeling(TestCase):
         else:
             self._Map.render()
             self._Canvas.saveAsImage(imgpath)
+            # delete extraneous world file (always generated)
+            wrld_file = imgbasepath + '.PNGw'
+            if os.path.exists(wrld_file):
+                os.remove(wrld_file)
 
     def renderCheck(self, mismatch=0, imgpath='', grpprefix=''):
         """Check rendered map canvas or existing image against control image
@@ -331,8 +338,12 @@ def runSuite(module, tests):
     """This allows for a list of test names to be selectively run.
     Also, ensures unittest verbose output comes at end, after debug output"""
     loader = unittest.defaultTestLoader
-    if 'PAL_SUITE' in os.environ and tests:
-        suite = loader.loadTestsFromNames(tests, module)
+    if 'PAL_SUITE' in os.environ:
+        if tests:
+            suite = loader.loadTestsFromNames(tests, module)
+        else:
+            raise Exception(
+                "\n\n####__ 'PAL_SUITE' set, but no tests specified __####\n")
     else:
         suite = loader.loadTestsFromModule(module)
     verb = 2 if 'PAL_VERBOSE' in os.environ else 0

tests/src/python/test_qgspallabeling_canvas.py

@@ -33,7 +33,10 @@ from utilities import (
 )
 
 from test_qgspallabeling_base import TestQgsPalLabeling, runSuite
-from test_qgspallabeling_tests import TestPointBase
+from test_qgspallabeling_tests import (
+    TestPointBase,
+    suiteTests
+)
 
 
 class TestCanvasPoint(TestQgsPalLabeling, TestPointBase):
@@ -61,13 +64,9 @@ class TestCanvasPoint(TestQgsPalLabeling, TestPointBase):
 
 if __name__ == '__main__':
     # NOTE: unless PAL_SUITE env var is set all test class methods will be run
-    # ex: 'TestGroup(Point|Line|Curved|Polygon|Feature).test_method'
-    suite = [
-        'TestCanvasPoint.test_default_label',
-        'TestCanvasPoint.test_text_size_map_unit',
-        'TestCanvasPoint.test_text_color',
-        'TestCanvasPoint.test_partials_labels_enabled',
-        'TestCanvasPoint.test_partials_labels_disabled',
-    ]
+    # SEE: test_qgspallabeling_tests.suiteTests() to define suite
+    suite = (
+        ['TestCanvasPoint.' + t for t in suiteTests()['sp_suite']]
+    )
     res = runSuite(sys.modules[__name__], suite)
     sys.exit(not res.wasSuccessful())

tests/src/python/test_qgspallabeling_composer.py

@@ -34,7 +34,10 @@ from utilities import (
 )
 
 from test_qgspallabeling_base import TestQgsPalLabeling, runSuite
-from test_qgspallabeling_tests import TestPointBase
+from test_qgspallabeling_tests import (
+    TestPointBase,
+    suiteTests
+)
 
 
 # noinspection PyShadowingNames
@@ -152,19 +155,10 @@ class TestComposerVsCanvasPoint(TestComposerPoint):
 
 if __name__ == '__main__':
     # NOTE: unless PAL_SUITE env var is set all test class methods will be run
-    # ex: 'TestGroup(Point|Line|Curved|Polygon|Feature).test_method'
-    suite = [
-        'TestComposerPoint.test_default_label',
-        'TestComposerPoint.test_text_size_map_unit',
-        'TestComposerPoint.test_text_color',
-        'TestComposerPoint.test_partials_labels_enabled',
-        'TestComposerPoint.test_partials_labels_disabled',
-
-        'TestComposerVsCanvasPoint.test_default_label',
-        'TestComposerVsCanvasPoint.test_text_size_map_unit',
-        'TestComposerVsCanvasPoint.test_text_color',
-        'TestComposerVsCanvasPoint.test_partials_labels_enabled',
-        'TestComposerVsCanvasPoint.test_partials_labels_disabled',
-    ]
+    # SEE: test_qgspallabeling_tests.suiteTests() to define suite
+    suite = (
+        ['TestComposerPoint.' + t for t in suiteTests()['sp_suite']] +
+        ['TestComposerVsCanvasPoint.' + t for t in suiteTests()['sp_vs_suite']]
+    )
     res = runSuite(sys.modules[__name__], suite)
     sys.exit(not res.wasSuccessful())

tests/src/python/test_qgspallabeling_server.py

@@ -8,6 +8,8 @@ Set the following env variables when manually running tests:
   PAL_CONTROL_IMAGE to trigger building of new control images
   PAL_REPORT to open any failed image check reports in web browser
 
+  PAL_SERVER_TEMP to open the web server temp directory, instead of deleting
+
 .. note:: This program is free software; you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
 the Free Software Foundation; either version 2 of the License, or
@@ -44,7 +46,10 @@ from qgis_local_server import (
 )
 
 from test_qgspallabeling_base import TestQgsPalLabeling, runSuite
-from test_qgspallabeling_tests import TestPointBase
+from test_qgspallabeling_tests import (
+    TestPointBase,
+    suiteTests
+)
 
 MAPSERV = getLocalServer()
 
@@ -83,9 +88,8 @@ class TestServerBase(TestQgsPalLabeling):
         TestQgsPalLabeling.tearDownClass()
         # layers removed, save empty project file
         cls._TestProj.write()
-        if "PAL_REPORT" in os.environ:
+        if "PAL_SERVER_TEMP" in os.environ:
             MAPSERV.stop_processes()
-            # MAPSERV.fcgi_server_process().stop()
             MAPSERV.open_temp_dir()
         else:
             MAPSERV.shutdown()
@@ -173,21 +177,10 @@ class TestServerVsCanvasPoint(TestServerPoint):
 
 if __name__ == '__main__':
     # NOTE: unless PAL_SUITE env var is set all test class methods will be run
-    # ex: 'TestGroup(Point|Line|Curved|Polygon|Feature).test_method'
-    suite = [
-        'TestServerPoint.test_default_label',
-        'TestServerPoint.test_text_size_map_unit',
-        'TestServerPoint.test_text_color',
-        'TestServerPoint.test_partials_labels_enabled',
-        'TestServerPoint.test_partials_labels_disabled',
-
-        'TestServerVsCanvasPoint.test_default_label',
-        'TestServerVsCanvasPoint.test_text_size_map_unit',
-        'TestServerVsCanvasPoint.test_text_color',
-        'TestServerVsCanvasPoint.test_partials_labels_enabled',
-        'TestServerVsCanvasPoint.test_partials_labels_disabled',
-    ]
+    # SEE: test_qgspallabeling_tests.suiteTests() to define suite
+    suite = (
+        ['TestServerPoint.' + t for t in suiteTests()['sp_suite']] +
+        ['TestServerVsCanvasPoint.' + t for t in suiteTests()['sp_vs_suite']]
+    )
     res = runSuite(sys.modules[__name__], suite)
-    # if SPAWN:
-    #     os.remove(TESTPROJDIR)  # remove temp directory (why does this error?)
     sys.exit(not res.wasSuccessful())

tests/src/python/test_qgspallabeling_tests.py

@@ -142,5 +142,24 @@ class TestPointBase(object):
         self.checkTest()
 
 
+# noinspection PyPep8Naming
+def suiteTests():
+    """
+    Use to define which tests are run when PAL_SUITE is set.
+    Use sp_vs_suite comparison of server and composer outputs to canvas
+    """
+    return {
+        'sp_suite': [
+            # 'test_background_svg',
+            'test_background_svg_w_offset',
+        ],
+        'sp_vs_suite': [
+            # 'test_background_svg',
+            'test_background_svg_w_offset',
+            # 'test_background_rect_w_offset',
+        ]
+    }
+
+
 if __name__ == '__main__':
     pass