1 files changed, 79 insertions, 0 deletions
diff --git a/backend/tests/test_gen_imgs.py b/backend/tests/test_gen_imgs.py
new file mode 100644
index 0000000..2541c1d
--- /dev/null
+++ b/backend/tests/test_gen_imgs.py
@@ -0,0 +1,79 @@
+import unittest
+from unittest.mock import patch
+import tempfile, os, shutil
+
+from tests.common import createTestDbTable, readTestDbTable
+from hist_data.gen_imgs import genImgs
+
+TEST_IMG = os.path.join(os.path.dirname(__file__), 'test_img.png')
+
+class TestGenImgs(unittest.TestCase):
+	@patch('hist_data.gen_imgs.convertImage', autospec=True)
+	def test_gen(self, convertImageMock):
+		with tempfile.TemporaryDirectory() as tempDir:
+			convertImageMock.side_effect = \
+				lambda imgPath, outPath: shutil.copy(imgPath, outPath)
+			# Create temp images
+			imgDir = os.path.join(tempDir, 'enwiki_imgs')
+			os.mkdir(imgDir)
+			shutil.copy(TEST_IMG, os.path.join(imgDir, '100.jpg'))
+			shutil.copy(TEST_IMG, os.path.join(imgDir, '200.jpeg'))
+			shutil.copy(TEST_IMG, os.path.join(imgDir, '400.png'))
+			# Create temp image db
+			imgDb = os.path.join(tempDir, 'img_data.db')
+			createTestDbTable(
+				imgDb,
+				'CREATE TABLE page_imgs (page_id INT PRIMARY KEY, title TEXT UNIQUE, img_name TEXT)',
+				'INSERT INTO page_imgs VALUES (?, ?, ?)',
+				{
+					(1, 'first',  'one.jpg'),
+					(2, 'second', 'two.jpeg'),
+					(3, 'third',  'two.jpeg'),
+				}
+			)
+			createTestDbTable(
+				imgDb,
+				'CREATE TABLE imgs (id INT PRIMARY KEY, name TEXT UNIQUE, ' \
+					'license TEXT, artist TEXT, credit TEXT, restrictions TEXT, url TEXT)',
+				'INSERT INTO imgs VALUES (?, ?, ?, ?, ?, ?, ?)',
+				{
+					(100, 'one.jpg', 'CC BY-SA 3.0', 'author1', 'credits1', '', 'https://upload.wikimedia.org/one.jpg'),
+					(200, 'two.jpeg', 'cc-by', 'author2', 'credits2', '', 'https://upload.wikimedia.org/two.jpeg'),
+				}
+			)
+			# Create temp history db
+			dbFile = os.path.join(tempDir, 'data.db')
+			createTestDbTable(
+				dbFile,
+				'CREATE TABLE events (id INT PRIMARY KEY, title TEXT UNIQUE, ' \
+					'start INT, start_upper INT, end INT, end_upper INT, fmt INT, ctg TEXT)',
+				'INSERT INTO events VALUES (?, ?, ?, ?, ?, ?, ?, ?)',
+				{
+					(10, 'first', 100, 1000, None, None, 0, 'event'),
+					(20, 'second', 10, 20, None, None, 0, 'event'),
+					(30, 'third', 1, 20, 30, 40, 2, 'event'),
+				}
+			)
+			# Run
+			outDir = os.path.join(tempDir, 'imgs')
+			genImgs(imgDir, imgDb, outDir, dbFile)
+			# Check
+			self.assertEqual(set(os.listdir(outDir)), {
+				'100.jpg',
+				'200.jpg',
+			})
+			self.assertEqual(
+				readTestDbTable(dbFile, 'SELECT id, img_id from event_imgs'),
+				{
+					(10, 100),
+					(20, 200),
+					(30, 200),
+				}
+			)
+			self.assertEqual(
+				readTestDbTable(dbFile, 'SELECT id, url, license, artist, credit from images'),
+				{
+					(100, 'https://en.wikipedia.org/wiki/File:one.jpg', 'CC BY-SA 3.0', 'author1', 'credits1'),
+					(200, 'https://en.wikipedia.org/wiki/File:two.jpeg', 'cc-by', 'author2', 'credits2'),
+				}
+			)