Merge pull request #44 from nexB/37-add-cli-tests

Add cli tests #37

Author: steven-esser

tests/data/cli/1_file_moved.json

@@ -0,0 +1,69 @@
+{
+  "deltacode_version": "0.0.1.beta",
+  "deltacode_stats": {
+    "added": 0,
+    "modified": 0,
+    "moved": 1,
+    "removed": 0,
+    "unmodified": 7
+  },
+  "deltas": [
+    {
+      "category": "moved",
+      "path": "b/a4.py",
+      "old_path": "a/a4.py",
+      "name": "a4.py",
+      "type": "file",
+      "size": 200
+    },
+    {
+      "category": "unmodified",
+      "path": "a/a3.py",
+      "name": "a3.py",
+      "type": "file",
+      "size": 200
+    },
+    {
+      "category": "unmodified",
+      "path": "b/b4.py",
+      "name": "b4.py",
+      "type": "file",
+      "size": 200
+    },
+    {
+      "category": "unmodified",
+      "path": "a/a2.py",
+      "name": "a2.py",
+      "type": "file",
+      "size": 200
+    },
+    {
+      "category": "unmodified",
+      "path": "b/b2.py",
+      "name": "b2.py",
+      "type": "file",
+      "size": 200
+    },
+    {
+      "category": "unmodified",
+      "path": "b/b1.py",
+      "name": "b1.py",
+      "type": "file",
+      "size": 200
+    },
+    {
+      "category": "unmodified",
+      "path": "b/b3.py",
+      "name": "b3.py",
+      "type": "file",
+      "size": 200
+    },
+    {
+      "category": "unmodified",
+      "path": "a/a1.py",
+      "name": "a1.py",
+      "type": "file",
+      "size": 200
+    }
+  ]
+}

tests/test_cli.py

@@ -204,3 +204,81 @@ def test_write_csv_1_file_moved_and_added(self):
         cli.write_csv(delta, result_file)
         expected_file = self.get_test_loc('cli/1_file_moved_and_added.csv')
         check_csvs(result_file, expected_file)
+
+    def test_json_output_option_selected(self):
+        new_scan = self.get_test_loc('deltacode/scan_1_file_moved_new.json')
+        old_scan = self.get_test_loc('deltacode/scan_1_file_moved_old.json')
+
+        result_file = self.get_temp_file('json')
+        expected_file = self.get_test_loc('cli/1_file_moved.json')
+
+        runner = CliRunner()
+        result = runner.invoke(cli.cli, ['-n', new_scan, '-o',  old_scan, '-j', result_file])
+
+        assert result.exit_code == 0
+
+        json_result = json.load(open(result_file))
+        stats = {'unmodified': 7, 'removed': 0, 'added': 0, 'moved': 1, 'modified': 0}
+
+        assert json_result.get('deltacode_stats') == stats
+
+        moved_expected = {'category': 'moved', 'name': 'a4.py', 'path': 'b/a4.py', 'old_path': 'a/a4.py', 'type': 'file', 'size': 200}
+        moved_result = [d for d in json_result.get('deltas') if d.get('category') == 'moved'].pop()
+
+        assert moved_result == moved_expected
+
+    def test_csv_output_option_selected(self):
+        new_scan = self.get_test_loc('deltacode/scan_1_file_moved_new.json')
+        old_scan = self.get_test_loc('deltacode/scan_1_file_moved_old.json')
+
+        result_file = self.get_temp_file('.csv')
+        expected_file = self.get_test_loc('cli/1_file_moved.csv')
+
+        runner = CliRunner()
+        result = runner.invoke(cli.cli, ['-n', new_scan, '-o',  old_scan, '-c', result_file])
+
+        assert result.exit_code == 0
+        check_csvs(result_file, expected_file)
+
+    def test_no_output_option_selected(self):
+        new_scan = self.get_test_loc('deltacode/scan_1_file_moved_new.json')
+        old_scan = self.get_test_loc('deltacode/scan_1_file_moved_old.json')
+
+        runner = CliRunner()
+        result = runner.invoke(cli.cli, ['-n', new_scan, '-o',  old_scan])
+
+        assert result.exit_code == 0
+
+        assert '"added": 0' in result.output
+        assert '"modified": 0' in result.output
+        assert '"moved": 1' in result.output
+        assert '"removed": 0' in result.output
+        assert '"unmodified": 7' in result.output
+
+        assert '"category": "moved"' in result.output
+        assert '"path": "b/a4.py"' in result.output
+        assert '"old_path": "a/a4.py"' in result.output
+        assert '"name": "a4.py"' in result.output
+        assert '"type": "file"' in result.output
+        assert '"size": 200' in result.output
+
+    def test_help(self):
+        runner = CliRunner()
+        result = runner.invoke(cli.cli, ['--help'])
+
+        assert 'Usage: cli [OPTIONS]' in result.output
+        assert 'Identify the changes that need to be made' in result.output
+        assert 'If no file option is selected' in result.output
+
+    def test_empty(self):
+        runner = CliRunner()
+        result = runner.invoke(cli.cli, [])
+
+        assert 'Usage: cli [OPTIONS]' in result.output
+        assert 'Error: Missing option "-n" / "--new".' in result.output
+
+    def test_incorrect_flag(self):
+        runner = CliRunner()
+        result = runner.invoke(cli.cli, ['-xyz'])
+
+        assert 'Error: no such option: -x' in result.output