1 files changed, 47 insertions, 0 deletions
diff --git a/tests/integration/test_check_failure.py b/tests/integration/test_check_failure.py
new file mode 100644
index 0000000..08e9447
--- /dev/null
+++ b/tests/integration/test_check_failure.py
@@ -0,0 +1,47 @@
+"""
+The demo build should pass 'nikola check' and fail with missing files.
+
+This tests the red path (failures) for the `check` command.
+Green path tests (working as expected) can be found in `test_demo_build`.
+"""
+
+import io
+import os
+
+import pytest
+
+from nikola import __main__
+
+from .helper import cd
+from .test_demo_build import prepare_demo_site
+from .test_empty_build import (  # NOQA
+    test_avoid_double_slash_in_rss,
+    test_index_in_sitemap,
+)
+
+
+def test_check_links_fail(build, output_dir, target_dir):
+    os.unlink(os.path.join(output_dir, "archive.html"))
+
+    with cd(target_dir):
+        result = __main__.main(["check", "-l"])
+        assert result != 0
+
+
+def test_check_files_fail(build, output_dir, target_dir):
+    manually_added_file = os.path.join(output_dir, "foobar")
+    with io.open(manually_added_file, "w+", encoding="utf8") as outf:
+        outf.write("foo")
+
+    with cd(target_dir):
+        result = __main__.main(["check", "-f"])
+        assert result != 0
+
+
+@pytest.fixture(scope="module")
+def build(target_dir):
+    """Fill the site with demo content and build it."""
+    prepare_demo_site(target_dir)
+
+    with cd(target_dir):
+        __main__.main(["build"])