fix py37 DeprecationWarning *invalid escape sequence* in tests with regular expressions

Author: Luiko Czub

Diff for: CHANGES.rst

@@ -8,7 +8,7 @@ test case attachments, which are stored since TL 1.9.19 with a reference to
 the test case version instead the test case id .
 
 Parameter <version> is now mandatory for _uploadTestCaseAttachment_ and optional
- for _getTestCaseAttachments_. 
+for _getTestCaseAttachments_. 
 
 implement other 1.9.20 (dev) changed api interfaces - #122
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
@@ -24,9 +24,9 @@ API-XMLRPC - getTestCaseAttachments returns no attachment, uploaded with uploadT
 
 - see TL Mantis Ticket 8658 <http://mantis.testlink.org/view.php?id=8658>`_
 - recommended to use the TL 1.9.20 development state with github commit 
- 6a4984164 or later (even for the TL upgrade or installation). 
+  6a4984164 or later (even for the TL upgrade or installation). 
 
-known TL 1.9.20 development state issues (github commit a1c7aca97):
+known TL 1.9.20 development state issue (github commit a1c7aca97):
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 Calling getTestCasesForTestPlan() with the new optional argument <customfields> returns only internal db values.
 As alternative, loop over all returned test cases and call getTestCaseCustomFieldDesignValue(). 

Diff for: test/utest-offline/test_apiClients_whatArgs.py

@@ -30,21 +30,21 @@ def test_whatArgs_noArgs(api_client):
 
 def test_whatArgs_onlyOptionalArgs(api_client):
     response = api_client.whatArgs('getTestCaseKeywords')
-    assert re.match('getTestCaseKeywords\(\[.*=<.*>\].*\).*',
+    assert re.match(r'getTestCaseKeywords\(\[.*=<.*>\].*\).*',
                     response)
 
 def test_whatArgs_OptionalAndPositionalArgs(api_client):
     response = api_client.whatArgs('createBuild')
-    assert re.match('createBuild\(<.*>.*\).*', response)
+    assert re.match(r'createBuild\(<.*>.*\).*', response)
 
 def test_whatArgs_MandatoryArgs(api_client):
     response = api_client.whatArgs('uploadExecutionAttachment')
-    assert re.match('uploadExecutionAttachment\(<attachmentfile>, <.*>.*\).*',
+    assert re.match(r'uploadExecutionAttachment\(<attachmentfile>, <.*>.*\).*',
                     response)
 
 def test_whatArgs_unknownMethods(api_client):
     response = api_client.whatArgs('apiUnknown')
-    assert re.match("callServerWithPosArgs\('apiUnknown', \[apiArg=<apiArg>\]\)", 
+    assert re.match(r"callServerWithPosArgs\('apiUnknown', \[apiArg=<apiArg>\]\)", 
                     response)
 
 test_data_apiCall_descriptions_equal_all = [

Diff for: test/utest-offline/testlinkapigeneric_offline_test.py

@@ -530,7 +530,7 @@ def test_testLinkVersion_withTL199(self):
     def test_connectionInfo_beforeTL199(self):
         self.api.loadScenario(SCENARIO_TL198)
         response = self.api.connectionInfo()
-        self.assertRegex(response, '\d*\.\d*\.\d*')
+        self.assertRegex(response, r'\d*\.\d*\.\d*')
 
     def test_getTestCaseCustomFieldDesignValue_notAssigned(self):
         self.api.loadScenario(SCENARIO_CUSTOM_FIELDS)

Diff for: test/utest-online/test_apiCall_equalPositionalArgs.py

@@ -254,7 +254,7 @@ def test_uploadAttachment_unknownID(api_client, attachmentFile):
                     title='title 40000713', description='descr. 40000714')
 
 def test_testLinkVersion(api_client):
-    assert re.match('\d*\.\d*\.\d*', api_client.testLinkVersion() )
+    assert re.match(r'\d*\.\d*\.\d*', api_client.testLinkVersion() )
 
 def test_getUserByLogin_unknownKey(api_client):
     with pytest.raises(TLResponseError, match='10000.*User Login'):