added end to end test for schema_inferer script

Author: eliasdorneles

.gitignore

@@ -34,6 +34,7 @@ htmlcov
 .mr.developer.cfg
 .project
 .pydevproject
+.idea
 
 # Complexity
 output/*.html

bin/schema_inferer

@@ -3,13 +3,10 @@
 """Generates a JSON schema based on samples
 """
 
-from __future__ import absolute_import, division, print_function
+from __future__ import absolute_import, print_function
 
-import sys
-import os
-sys.path.append(os.path.dirname(os.path.dirname(__file__)))
-from skinfer import schema_inferer
 import json
+from skinfer import schema_inferer
 
 
 def get_samples(samples, jsonlines=False):

tests/test_end_to_end.py

@@ -0,0 +1,30 @@
+import json
+import unittest
+import subprocess
+import tempfile
+
+
+class BinSchemaInferer(unittest.TestCase):
+    def test_end_to_end_simple_run(self):
+        # given:
+        _, filename = tempfile.mkstemp()
+        with open(filename, 'w') as f:
+            f.write('{"one": "two"}')
+
+        expected = {
+            "$schema": "http://json-schema.org/draft-04/schema",
+            "required": [
+                "one"
+            ],
+            "type": "object",
+            "properties": {
+                "one": {
+                    "type": "string"
+                }
+            }
+        }
+
+        # when:
+        output = subprocess.check_output(['schema_inferer', filename])
+        # then:
+        self.assertEqual(expected, json.loads(output))