Mermaid www test. (#88)

Author: vb64

.github/workflows/py3.yml

@@ -48,7 +48,7 @@ jobs:
       env:
         CODACY_PROJECT_TOKEN: ${{ secrets.CODACY_PROJECT_TOKEN }}
       run: |
-        pytest --cov=markdown_pdf --cov-report xml --cov-report term:skip-covered --durations=5 tests
+        pytest -m "not external" --cov=markdown_pdf --cov-report xml --cov-report term:skip-covered --durations=5 tests
         if [ "$CODACY_PROJECT_TOKEN" != "" ]; then
           python-codacy-coverage -r coverage.xml
         fi
@@ -84,4 +84,4 @@ jobs:
 
     - name: pytest
       run: |
-        pytest --cov=markdown_pdf --cov-report xml --cov-report term:skip-covered --durations=5 tests
+        pytest -m "not external" --cov=markdown_pdf --cov-report xml --cov-report term:skip-covered --durations=5 tests

makefile

@@ -36,7 +36,7 @@ pep257:
 	$(PYTHON) -m pydocstyle $(SOURCE)
 
 tests: flake8 pep257 lint
-	$(PYTEST) --durations=5 $(TESTS)
+	$(PYTEST) -m "not external" --durations=5 $(TESTS)
 	$(COVERAGE) html --skip-covered
 
 example:

pyproject.toml

@@ -54,3 +54,6 @@ filterwarnings = [
     'ignore:builtin type SwigPyObject has no __module__ attribute:DeprecationWarning',
     'ignore:builtin type SwigPyPacked has no __module__ attribute:DeprecationWarning',
 ]
+markers = [
+    'external: marks a test as uses external resources'
+]

tests/test/test_plugins/test_mermaid.py

@@ -0,0 +1,40 @@
+"""Mermaid plugin tests.
+
+make test T=test_plugins/test_mermaid.py
+"""
+import base64
+import requests
+import pytest
+
+from . import TestPlugin
+
+MERMAID_CODE = """
+stateDiagram-v2
+    [*] --> Still
+    Still --> [*]
+
+    Still --> Moving
+    Moving --> Still
+    Moving --> Crash
+    Crash --> [*]
+"""
+
+
+class TesMermaid(TestPlugin):
+    """Mermaid content."""
+
+    @pytest.mark.external
+    def test_www(self):
+        """Make image for mermaid content."""
+        # https://github.com/ouhammmourachid/mermaid-py
+        response = requests.get(
+          "https://mermaid.ink/img/{}".format(
+            # Use URL-safe base64 encoding (replaces + with -, / with _)
+            base64.urlsafe_b64encode(MERMAID_CODE.encode("utf-8")).decode("ascii"),
+          ),
+          params={"format": "png"},
+          timeout=5
+        )
+        assert len(response.content) > 0
+        with open(self.build("test_mermaid.png"), "wb") as out:
+            out.write(response.content)

tests/test/test_plugins/test_plantuml.py

@@ -17,7 +17,8 @@
 class TesPlantuml(TestPlugin):
     """Plantuml content."""
 
-    def _test_www(self):
+    @pytest.mark.external
+    def test_www(self):
         """Make image for plantuml content."""
         server = PlantUML(url='http://www.plantuml.com/plantuml/img/')
         image = server.processes(UML_CODE)