glossary cmd test: added test for listing glossaries

tests/test_glossary_cmd.py

@@ -1,6 +1,8 @@
 import unittest
 import argparse
 import tempfile
+import io
+from contextlib import redirect_stdout
 from chatmastermind.configuration import Config
 from chatmastermind.commands.glossary import (
     Glossary,
@@ -13,7 +15,7 @@ from chatmastermind.commands.glossary import (
 )
 
 
-class TestGlossaryCmd(unittest.TestCase):
+class TestGlossaryCmdNoGlossaries(unittest.TestCase):
 
     def setUp(self) -> None:
         # create DB and cache
@@ -96,3 +98,52 @@ class TestGlossaryCmd(unittest.TestCase):
             create_glossary(self.args, self.config)
             self.assertIn(str(err.exception).lower(), "already exists")
         expected_path.unlink()
+
+
+class TestGlossaryCmdWithGlossaries(unittest.TestCase):
+
+    def setUp(self) -> None:
+        # create DB and cache
+        self.db_dir = tempfile.TemporaryDirectory()
+        self.cache_dir = tempfile.TemporaryDirectory()
+        self.glossaries_dir = tempfile.TemporaryDirectory()
+        # create configuration
+        self.config = Config()
+        self.config.cache = self.cache_dir.name
+        self.config.db = self.db_dir.name
+        self.config.glossaries = self.glossaries_dir.name
+        # create a mock argparse.Namespace
+        self.args = argparse.Namespace(
+            create=True,
+            list=False,
+            print=False,
+            name='Glossary1',
+            file=None,
+            source_lang='en',
+            target_lang='de',
+            description=False,
+        )
+        # create Glossary1
+        glossary_cmd(self.args, self.config)
+        self.Glossary1_path = get_glossary_file_path('Glossary1', self.config)
+        # create Glossary2
+        self.args.name = 'Glossary2'
+        glossary_cmd(self.args, self.config)
+        self.Glossary2_path = get_glossary_file_path('Glossary2', self.config)
+
+    def test_glossaries_exist(self) -> None:
+        """
+        Test if the default glossaries created in setUp exist.
+        """
+        glo = Glossary.from_file(self.Glossary1_path)
+        self.assertEqual(glo.name, 'Glossary1')
+        glo = Glossary.from_file(self.Glossary2_path)
+        self.assertEqual(glo.name, 'Glossary2')
+
+    def test_glossaries_list(self) -> None:
+        self.args.create = False
+        self.args.list = True
+        with redirect_stdout(io.StringIO()) as list_output:
+            glossary_cmd(self.args, self.config)
+            self.assertIn('Glossary1', list_output.getvalue())
+            self.assertIn('Glossary2', list_output.getvalue())