Create a new page to display case-attributes and their descriptions

* wqflask/wqflask/metadata_edits.py: Import
"gn3.db.sample_data.get_case_attributes".
(show_case_attribute_columns): New function/ end-point to show
case-attributes.
* wqflask/tests/integration/wqflask/test_metadata_edits.py: New
integration tests for the above.
* wqflask/tests/integration/wqflask/__init__.py: New file.
* wqflask/wqflask/templates/case_attributes.html: New template file to
display the above.

2 files changed, 41 insertions, 0 deletions

diff --git a/wqflask/tests/integration/wqflask/__init__.py b/wqflask/tests/integration/wqflask/__init__.py
new file mode 100644
index 00000000..e69de29b
--- /dev/null
+++ b/wqflask/tests/integration/wqflask/__init__.py
diff --git a/wqflask/tests/integration/wqflask/test_metadata_edits.py b/wqflask/tests/integration/wqflask/test_metadata_edits.py
new file mode 100644
index 00000000..4b9e017d
--- /dev/null
+++ b/wqflask/tests/integration/wqflask/test_metadata_edits.py
@@ -0,0 +1,41 @@
+"""Tests for wqflask/wqflask/metadata_edits.py"""
+import unittest
+from unittest import mock
+
+from wqflask import app
+
+
+class MetadataEditsTest(unittest.TestCase):
+    """Test Cases for MetadataEdits"""
+
+    def setUp(self):
+        self.app = app.test_client()
+        self.app_context = app.app_context()
+        self.app_context.push()
+
+    def tearDown(self):
+        self.app_context.pop()
+
+    @mock.patch("wqflask.metadata_edits.get_case_attributes")
+    def test_show_case_attributes(self, mock_case_attrs):
+        """Test that case attributes are displayed correctly"""
+        mock_case_attrs.return_value = {
+            "Condition (1)": "",
+            "Tissue": "",
+            "Age": "Cum sociis natoque penatibus et magnis dis",
+            "Condition (4)": "Description A",
+            "Condition (5)": "Description B",
+        }
+        response = self.app.get(
+            "/datasets/case-attributes", follow_redirects=True
+        ).data.decode()
+        self.assertIn(
+            "<td>Condition (1)</td><td>No description</td>", response
+        )
+        self.assertIn("<td>Tissue</td><td>No description</td>", response)
+        self.assertIn(
+            "<td>Age</td><td>Cum sociis natoque penatibus et magnis dis</td>",
+            response,
+        )
+        self.assertIn("<td>Condition (4)</td><td>Description A</td>", response)
+        self.assertIn("<td>Condition (5)</td><td>Description B</td>", response)