Fixed issue: Disqus comment is not created when library has no examples.

Modified test_target_libraries.py in order to collect all libraries (with and without examples) and examples urls of target libraries.

Author: konstantina

tests/target_libraries/test_target_libraries.py

@@ -6,6 +6,8 @@
 
 LOG_FILE = LOGFILE_PREFIX.format(log_name="test_target_libraries")
 
+GET_ALL_LIBRARIES_URLS_SCRIPT = "return $('.library_link').map(function() {{ return this.href; }}).toArray();"
+
 GET_ALL_LIBRARIES_SCRIPT = """
     var libraries = {};
     $('#mycontainer').find('.library-expand-handle').map(function () {
@@ -23,27 +25,48 @@
     return examples;
 """
 
-
 class TestLibraryExamples(SeleniumTestCase):
 
     def test_compile_target_libraries(self):
         targets = pytest.config.getoption("--libraries").split(',')
 
         self.open('/libraries')
+        # Collects all libraries names.
         libraries = self.execute_script(GET_ALL_LIBRARIES_SCRIPT, '$')
-
+        # Collects all libraries urls.
+        libraries_urls = self.execute_script(GET_ALL_LIBRARIES_URLS_SCRIPT, '$')
+        # List containing all the urls (libraries_urls and examples_urls) that we should comment and compile.
         urls_to_follow = []
+        # List containing library's examples urls.
+        library_examples_urls =[]
+        library_examples_urls_dic ={}
+
         for target in targets:
-            target = target.lower()
-            if target in libraries:
-                library_url = libraries[target]
-                self.open(library_url)
-                urls_to_follow += self.execute_script(GET_LIBRARY_EXAMPLES_SCRIPT, '$')
+            for url in libraries_urls:
+                library_url_name=url.split('/')[-1]
+                if ( library_url_name != target):
+                    continue
+                else:
+                    library_url = url
+                    # Updates urls_to_follow list with library's url.
+                    urls_to_follow.append(library_url)
+                    target = target.lower()
+                    if target in libraries:
+                        library = libraries[target]
+                        self.open(library)
+                        # Get library's name.
+                        library_name =library.split('/')[2]
+                        # Collect library's examples, if any.
+                        library_examples_urls = self.execute_script(GET_LIBRARY_EXAMPLES_SCRIPT, '$')
+                        # Add library with examples urls in a dictionary.
+                        library_examples_urls_dic[library_name]=library_examples_urls
+                        # Updates urls_to_follow list with library's examples urls.
+                        urls_to_follow += self.execute_script(GET_LIBRARY_EXAMPLES_SCRIPT, '$')
 
         if len(urls_to_follow) > 0:
             """Tests that specific library examples compile successfully."""
-            self.compile_sketches(urls_to_follow,
-                                    compile_type='target_library',
-                                    iframe=False, project_view=True,
-                                    create_report=True, logfile=LOG_FILE,
-                                    comment=True)
+            self.comment_compile_libraries_examples(urls_to_follow, library_examples_urls_dic,
+                                      compile_type='target_library',
+                                      iframe=False, project_view=True,
+                                      create_report=True, logfile=LOG_FILE,
+                                      comment=True)