add more pylucid_installer tests

tests/test_installer.py

@@ -1,13 +1,95 @@
+import os
 from unittest import TestCase
+import sys
 
 from click.testing import CliRunner
 
 from pylucid_installer.pylucid_installer import cli
 
+
 class PyLucidInstallerCLITest(TestCase):
     def test_help(self):
         runner = CliRunner()
         result = runner.invoke(cli, ["--help"])
         self.assertEqual(result.exit_code, 0)
         self.assertIn("Usage: cli [OPTIONS]", result.output)
+        # print(result.output)
+
+    def test_dest_exists(self):
+        runner = CliRunner()
+        with runner.isolated_filesystem() as temp_path:
+            result = runner.invoke(cli, [
+                "--dest", temp_path,
+                "--name", "test_remove_question",
+            ])
+            # print(result.output)
+            self.assertIn("ERROR: Destination '%s' exist!" % temp_path, result.output)
+            self.assertEqual(result.exit_code, 2)
+            self.assertEqual(os.listdir(temp_path), [])
+
+    def test_remove_question(self):
+        runner = CliRunner()
+        with runner.isolated_filesystem() as temp_path:
+            result = runner.invoke(cli, [
+                "--dest", temp_path,
+                "--name", "test_remove_question",
+                "--remove"
+            ])
+            # print(result.output)
+            self.assertIn(
+                "Delete '%s' before copy? [y/N]:" % temp_path,
+                result.output
+            )
+            self.assertEqual(result.exit_code, 1)
+            self.assertEqual(os.listdir(temp_path), [])
+
+    def test_create(self):
+        runner = CliRunner()
+        with runner.isolated_filesystem() as temp_path:
+            result = runner.invoke(cli, [
+                "--dest", temp_path,
+                "--name", "unittest_project",
+                "--remove"
+            ],
+                input="y"
+            )
+            # print(result.output)
+            self.assertIn(
+                "Delete '%s' before copy? [y/N]:" % temp_path,
+                result.output
+            )
+            self.assertEqual(result.exit_code, 0)
+
+            self.assertIn(
+                "Page instance created here: '%s'" % temp_path,
+                result.output
+            )
+            self.assertEqual(
+                os.listdir(temp_path),
+                ['static', 'manage.py', 'unittest_project']
+            )
+
+            # Check patched manage.py
+            with open(os.path.join(temp_path, "manage.py"), "r") as f:
+                shebang = f.readlines(1)
+                self.assertEqual(shebang, ["#!%s\n" % sys.executable])
+
+                content = f.read()
+                # print(content)
+                self.assertIn(
+                    'os.environ.setdefault("DJANGO_SETTINGS_MODULE", "unittest_project.settings")',
+                    content
+                )
 
+            # Check patched settings.py
+            with open(os.path.join(temp_path, "unittest_project", "settings.py"), "r") as f:
+                content = f.read()
+                # print(content)
+                self.assertIn(
+                    'DOC_ROOT = "%s"' % temp_path,
+                    content
+                )
+                self.assertIn(
+                    "ROOT_URLCONF = 'unittest_project.urls'",
+                    content
+                )