Add tests for theme creation

misago/themes/admin/tests/test_theme_creation_and_edition.py

@@ -0,0 +1,73 @@
+import pytest
+from django.urls import reverse
+
+from ....test import assert_contains, assert_not_contains
+from ...models import Theme
+
+
+@pytest.fixture
+def create_link():
+    return reverse("misago:admin:appearance:themes:new")
+
+
+def test_theme_creation_form_is_displayed(admin_client, create_link):
+    response = admin_client.get(create_link)
+    assert response.status_code == 200
+    assert_contains(response, "New theme")
+
+
+def test_theme_creation_form_reads_parent_from_url_and_preselects_it_in_parent_select(
+    admin_client, create_link, theme
+):
+    response = admin_client.get("%s?parent=%s" % (create_link, theme.pk))
+    assert_contains(response, '<option value="%s" selected>' % theme.pk)
+
+
+def test_theme_creation_form_reads_parent_from_url_and_discards_invalid_value(
+    admin_client, create_link, theme
+):
+    response = admin_client.get("%s?parent=%s" % (create_link, theme.pk + 1))
+    assert response.status_code == 200
+
+
+def test_theme_can_be_created(
+    admin_client, create_link
+):
+    admin_client.post(create_link, {"name": "New Theme"})
+    Theme.objects.get(name="New Theme")
+
+
+def test_child_theme_for_custom_theme_can_be_created(
+    admin_client, create_link, theme
+):
+    admin_client.post(create_link, {"name": "New Theme", "parent": theme.pk})
+    child_theme = Theme.objects.get(name="New Theme")
+    assert child_theme.parent == theme
+
+
+def test_child_theme_for_default_theme_can_be_created(
+    admin_client, create_link, default_theme
+):
+    admin_client.post(create_link, {"name": "New Theme", "parent": default_theme.pk})
+    child_theme = Theme.objects.get(name="New Theme")
+    assert child_theme.parent == default_theme
+
+
+def test_creating_child_theme_updates_themes_tree(
+    admin_client, create_link, theme
+):
+    admin_client.post(create_link, {"name": "New Theme", "parent": theme.pk})
+
+    child_theme = Theme.objects.get(name="New Theme")
+    assert child_theme.tree_id == theme.tree_id
+    assert child_theme.lft == 2
+    assert child_theme.rght == 3
+
+    theme.refresh_from_db()
+    assert theme.lft == 1
+    assert theme.rght == 4
+
+
+def test_theme_creation_fails_if_name_is_not_given(admin_client, create_link):
+    admin_client.post(create_link, {"name": ""})
+    assert Theme.objects.count() == 1