1 files changed, 84 insertions, 0 deletions
diff --git a/pydis_site/apps/content/tests/helpers.py b/pydis_site/apps/content/tests/helpers.py
new file mode 100644
index 00000000..4e0cca34
--- /dev/null
+++ b/pydis_site/apps/content/tests/helpers.py
@@ -0,0 +1,84 @@
+from pyfakefs.fake_filesystem_unittest import TestCase
+
+# Valid markdown content with YAML metadata
+MARKDOWN_WITH_METADATA = """
+---
+title: TestTitle
+description: TestDescription
+relevant_links:
+    Python Discord: https://pythondiscord.com
+    Discord: https://discord.com
+---
+# This is a header.
+"""
+
+MARKDOWN_WITHOUT_METADATA = """#This is a header."""
+
+# Valid YAML in a _info.yml file
+CATEGORY_INFO = """
+name: Category Name
+description: Description
+"""
+
+# The HTML generated from the above markdown data
+PARSED_HTML = (
+    '<h1 id="this-is-a-header">This is a header.'
+    '<a class="headerlink" href="#this-is-a-header" title="Permanent link">&para;</a></h1>'
+)
+
+# The YAML metadata parsed from the above markdown data
+PARSED_METADATA = {
+    "title": "TestTitle", "description": "TestDescription",
+    "relevant_links": {
+        "Python Discord": "https://pythondiscord.com",
+        "Discord": "https://discord.com"
+    }
+}
+
+# The YAML data parsed from the above _info.yml file
+PARSED_CATEGORY_INFO = {"name": "Category Name", "description": "Description"}
+
+
+class MockPagesTestCase(TestCase):
+    """
+    TestCase with a fake filesystem for testing.
+
+    Structure:
+    ├── _info.yml
+    ├── root.md
+    ├── root_without_metadata.md
+    ├── not_a_page.md
+    ├── tmp
+    |   ├── _info.yml
+    |   └── category_without_info
+    └── category
+        ├── _info.yml
+        ├── with_metadata.md
+        └── subcategory
+            ├── with_metadata.md
+            └── without_metadata.md
+    """
+
+    def setUp(self):
+        """Create the fake filesystem."""
+        self.setUpPyfakefs()
+
+        self.fs.create_file("_info.yml", contents=CATEGORY_INFO)
+        self.fs.create_file("root.md", contents=MARKDOWN_WITH_METADATA)
+        self.fs.create_file("root_without_metadata.md", contents=MARKDOWN_WITHOUT_METADATA)
+        self.fs.create_file("not_a_page.md/_info.yml", contents=CATEGORY_INFO)
+        self.fs.create_file("category/_info.yml", contents=CATEGORY_INFO)
+        self.fs.create_file("category/with_metadata.md", contents=MARKDOWN_WITH_METADATA)
+        self.fs.create_file("category/subcategory/_info.yml", contents=CATEGORY_INFO)
+        self.fs.create_file(
+            "category/subcategory/with_metadata.md", contents=MARKDOWN_WITH_METADATA
+        )
+        self.fs.create_file(
+            "category/subcategory/without_metadata.md", contents=MARKDOWN_WITHOUT_METADATA
+        )
+
+        # There is always a `tmp` directory in the filesystem, so make it a category
+        # for testing purposes.
+        # See: https://jmcgeheeiv.github.io/pyfakefs/release/usage.html#os-temporary-directories
+        self.fs.create_file("tmp/_info.yml", contents=CATEGORY_INFO)
+        self.fs.create_dir("tmp/category_without_info")