added template test for archive

tests/test_templates.py

@@ -1,3 +1,5 @@
+import datetime
+
 from jinja2 import Environment, PackageLoader
 import pytest
 
@@ -20,6 +22,11 @@ def article_template(environment):
     yield environment.get_template('article.html')
 
 
+@pytest.fixture
+def archive_template(environment):
+    yield environment.get_template('archive.html')
+
+
 def test_page(page_template):
     ctx = {
         'content': 'this is the content',
@@ -38,3 +45,22 @@ def test_article(article_template):
     result = article_template.render(ctx)
     assert 'this is the content' in result
     assert 'this is the title' in result
+
+
+def test_archive(archive_template):
+    entry = {
+        'title': 'this is a title',
+        'dst': 'https://example.com/link',
+        'date': datetime.datetime(1980, 5, 9),
+    }
+    archive = [entry]
+    ctx = {
+        'title': 'this is the title',
+        'archive': archive,
+    }
+    result = archive_template.render(ctx)
+    assert 'this is the title' in result
+
+    assert 'this is a title' in result
+    assert '1980-05-09' in result
+    assert 'https://example.com/link' in result