Add preview tests

tagcompare/test/assets/test_settings.json

@@ -17,7 +17,8 @@
     },
     "types": {
       "iframe": true,
-      "script": false
+      "script": false,
+      "preview": false
     }
   },
   "saucelabs": {

tagcompare/test/test_preview.py

@@ -0,0 +1,40 @@
+import pytest
+import os
+
+from tagcompare import capture
+from tagcompare import webdriver
+from tagcompare import output
+
+
+@pytest.mark.integration
+def test_capture_preview_override():
+    test_capture_preview(True)
+
+
+@pytest.mark.integration
+def test_capture_preview_dont_override():
+    test_capture_preview(False)
+
+
+def test_capture_preview(override):
+    """
+    Verify that we can render the previews
+    :return:
+    """
+    pb = output.create(build="capture_tag_test", config="testconfig", cid="testcid",
+                       tagsize="leaderboard", tagtype="preview")
+    capabilities = {
+        "platform": "Windows 7",
+        "browserName": "firefox"
+    }
+    driver = webdriver.setup_webdriver(capabilities)
+    result = capture.__capture_preview(pathbuilder=pb,
+                                       driver=driver,
+                                       capture_existing=override)
+    driver.quit()
+    assert result is not None, "Could not capture tags!"
+    assert result is not False, "Tag capture skipped!"
+    assert len(result) == 0, "Errors while capturing preview!"
+    assert os.path.exists(pb.tagimage), "tagimage was not captured!"
+    assert os.path.exists(pb.taghtml), "taghtml was not captured!"
+    pb.rmbuild() 

tagcompare/test/test_settings.py

@@ -65,7 +65,7 @@ def test_tagtypes():
     assert tag_settings, "Could not get tag settings!"
     all_types = tag_settings['types']
     assert all_types, "Could not get types from tag settings!"
-    assert len(all_types) == 2, "There should be exactly 4 supported types!"
+    assert len(all_types) == 3, "There should be exactly 4 supported types!"
     enabled_types = SETTINGS.tagtypes
     assert len(enabled_types) == 1, "There should be exactly 1 enabled types!"