Add even more tests for the cli

tests/test_climat2.py

@@ -8,3 +8,38 @@ class TestHelp(unittest.TestCase):
         proc = subprocess.Popen(['./main.py', '--help'], stdout=subprocess.PIPE)
         stdout, _ = proc.communicate()
         self.assertIn(b'usage: main.py [-h] [-c] [-l] [-s] [files [files ...]]', stdout)
+
+class TestGetMeta(unittest.TestCase):
+    def test_pdf(self):
+        proc = subprocess.Popen(['./main.py', '--show', './tests/data/dirty.pdf'],
+                stdout=subprocess.PIPE)
+        stdout, _ = proc.communicate()
+        self.assertIn(b'producer: pdfTeX-1.40.14', stdout)
+
+    def test_png(self):
+        proc = subprocess.Popen(['./main.py', '--show', './tests/data/dirty.png'],
+                stdout=subprocess.PIPE)
+        stdout, _ = proc.communicate()
+        self.assertIn(b'Comment: This is a comment, be careful!', stdout)
+
+    def test_jpg(self):
+        proc = subprocess.Popen(['./main.py', '--show', './tests/data/dirty.jpg'],
+                stdout=subprocess.PIPE)
+        stdout, _ = proc.communicate()
+        self.assertIn(b'Comment: Created with GIMP', stdout)
+
+    def test_docx(self):
+        proc = subprocess.Popen(['./main.py', '--show', './tests/data/dirty.docx'],
+                stdout=subprocess.PIPE)
+        stdout, _ = proc.communicate()
+        self.assertIn(b'Application: LibreOffice/5.4.5.1$Linux_X86_64', stdout)
+        self.assertIn(b'creator: julien voisin', stdout)
+        self.assertIn(b'revision: 1', stdout)
+
+    def test_odt(self):
+        proc = subprocess.Popen(['./main.py', '--show', './tests/data/dirty.odt'],
+                stdout=subprocess.PIPE)
+        stdout, _ = proc.communicate()
+        self.assertIn(b'generator: LibreOffice/3.3$Unix', stdout)
+        self.assertIn(b'creator: jvoisin', stdout)
+        self.assertIn(b'date_time: 2011-07-26 02:40:16', stdout)