testing and fixing the sanity checker

src/documents/tests/test_sanity_check.py

@@ -0,0 +1,83 @@
+import os
+import shutil
+from pathlib import Path
+
+from django.test import TestCase
+
+from documents.models import Document
+from documents.sanity_checker import check_sanity
+from documents.tests.utils import DirectoriesMixin
+
+
+class TestSanityCheck(DirectoriesMixin, TestCase):
+
+    def make_test_data(self):
+
+        shutil.copy(os.path.join(os.path.dirname(__file__), "samples", "documents", "originals", "0000001.pdf"), os.path.join(self.dirs.originals_dir, "0000001.pdf"))
+        shutil.copy(os.path.join(os.path.dirname(__file__), "samples", "documents", "archive", "0000001.pdf"), os.path.join(self.dirs.archive_dir, "0000001.pdf"))
+        shutil.copy(os.path.join(os.path.dirname(__file__), "samples", "documents", "thumbnails", "0000001.png"), os.path.join(self.dirs.thumbnail_dir, "0000001.png"))
+
+        return Document.objects.create(title="test", checksum="42995833e01aea9b3edee44bbfdd7ce1", archive_checksum="62acb0bcbfbcaa62ca6ad3668e4e404b", content="test", pk=1, filename="0000001.pdf")
+
+    def test_no_docs(self):
+        self.assertEqual(len(check_sanity()), 0)
+
+    def test_success(self):
+        self.make_test_data()
+        self.assertEqual(len(check_sanity()), 0)
+
+    def test_no_thumbnail(self):
+        doc = self.make_test_data()
+        os.remove(doc.thumbnail_path)
+        self.assertEqual(len(check_sanity()), 1)
+
+    def test_thumbnail_no_access(self):
+        doc = self.make_test_data()
+        os.chmod(doc.thumbnail_path, 0o000)
+        self.assertEqual(len(check_sanity()), 1)
+        os.chmod(doc.thumbnail_path, 0o777)
+
+    def test_no_original(self):
+        doc = self.make_test_data()
+        os.remove(doc.source_path)
+        self.assertEqual(len(check_sanity()), 1)
+
+    def test_original_no_access(self):
+        doc = self.make_test_data()
+        os.chmod(doc.source_path, 0o000)
+        self.assertEqual(len(check_sanity()), 1)
+        os.chmod(doc.source_path, 0o777)
+
+    def test_original_checksum_mismatch(self):
+        doc = self.make_test_data()
+        doc.checksum = "WOW"
+        doc.save()
+        self.assertEqual(len(check_sanity()), 1)
+
+    def test_no_archive(self):
+        doc = self.make_test_data()
+        os.remove(doc.archive_path)
+        self.assertEqual(len(check_sanity()), 1)
+
+    def test_archive_no_access(self):
+        doc = self.make_test_data()
+        os.chmod(doc.archive_path, 0o000)
+        self.assertEqual(len(check_sanity()), 1)
+        os.chmod(doc.archive_path, 0o777)
+
+    def test_archive_checksum_mismatch(self):
+        doc = self.make_test_data()
+        doc.archive_checksum = "WOW"
+        doc.save()
+        self.assertEqual(len(check_sanity()), 1)
+
+    def test_empty_content(self):
+        doc = self.make_test_data()
+        doc.content = ""
+        doc.save()
+        self.assertEqual(len(check_sanity()), 1)
+
+    def test_orphaned_file(self):
+        doc = self.make_test_data()
+        Path(self.dirs.originals_dir, "orphaned").touch()
+        self.assertEqual(len(check_sanity()), 1)