Several fixes and changes

* Added interactive debugging
* Better exception logging
* More tests for errors
* Added ONBUILD to dockerfile
  Now creating new images based on senpy's is as easy as:
  ```from senpy:<version>```. This will automatically mount the code to
  /senpy-plugins and install all dependencies
* Added /data as a VOLUME
* Added `--use-wheel` to pip install both on the image and in the
  auto-install function.
* Closes #9

Break compatibilitity:

* Removed ability to (de)activate plugins through the web

tests/test_blueprints.py

@@ -1,11 +1,10 @@
 import os
 import logging
-import json
 
 from senpy.extensions import Senpy
+from senpy import models
 from flask import Flask
 from unittest import TestCase
-from gevent import sleep
 from itertools import product
 
 
@@ -14,7 +13,7 @@ def check_dict(indic, template):
 
 
 def parse_resp(resp):
-    return json.loads(resp.data.decode('utf-8'))
+    return models.from_json(resp.data.decode('utf-8'))
 
 
 class BlueprintsTest(TestCase):
@@ -57,6 +56,17 @@ class BlueprintsTest(TestCase):
         assert "@context" in js
         assert "entries" in js
 
+    def test_error(self):
+        """
+        The dummy plugin returns an empty response,\
+        it should contain the context
+        """
+        resp = self.client.get("/api/?i=My aloha mohame&algo=DOESNOTEXIST")
+        self.assertCode(resp, 404)
+        js = parse_resp(resp)
+        logging.debug("Got response: %s", js)
+        assert isinstance(js, models.Error)
+
     def test_list(self):
         """ List the plugins """
         resp = self.client.get("/api/plugins/")
@@ -94,25 +104,6 @@ class BlueprintsTest(TestCase):
         assert "@id" in js
         assert js["@id"] == "Dummy_0.1"
 
-    def test_activate(self):
-        """ Activate and deactivate one plugin """
-        resp = self.client.get("/api/plugins/Dummy/deactivate")
-        self.assertCode(resp, 200)
-        sleep(0.5)
-        resp = self.client.get("/api/plugins/Dummy/")
-        self.assertCode(resp, 200)
-        js = parse_resp(resp)
-        assert "is_activated" in js
-        assert not js["is_activated"]
-        resp = self.client.get("/api/plugins/Dummy/activate")
-        self.assertCode(resp, 200)
-        sleep(0.5)
-        resp = self.client.get("/api/plugins/Dummy/")
-        self.assertCode(resp, 200)
-        js = parse_resp(resp)
-        assert "is_activated" in js
-        assert js["is_activated"]
-
     def test_default(self):
         """ Show only one plugin"""
         resp = self.client.get("/api/plugins/default/")
@@ -121,11 +112,6 @@ class BlueprintsTest(TestCase):
         logging.debug(js)
         assert "@id" in js
         assert js["@id"] == "Dummy_0.1"
-        resp = self.client.get("/api/plugins/Dummy/deactivate")
-        self.assertCode(resp, 200)
-        sleep(0.5)
-        resp = self.client.get("/api/plugins/default/")
-        self.assertCode(resp, 404)
 
     def test_context(self):
         resp = self.client.get("/api/contexts/context.jsonld")

tests/test_extensions.py

@@ -2,6 +2,11 @@ from __future__ import print_function
 import os
 import logging
 
+try:
+    from unittest import mock
+except ImportError:
+    import mock
+
 from functools import partial
 from senpy.extensions import Senpy
 from senpy.models import Error
@@ -13,8 +18,9 @@ class ExtensionsTest(TestCase):
     def setUp(self):
         self.app = Flask("test_extensions")
         self.dir = os.path.join(os.path.dirname(__file__))
-        self.senpy = Senpy(plugin_folder=self.dir, default_plugins=False)
-        self.senpy.init_app(self.app)
+        self.senpy = Senpy(plugin_folder=self.dir,
+                           app=self.app,
+                           default_plugins=False)
         self.senpy.activate_plugin("Dummy", sync=True)
 
     def test_init(self):
@@ -69,7 +75,11 @@ class ExtensionsTest(TestCase):
     def test_noplugin(self):
         """ Don't analyse if there isn't any plugin installed """
         self.senpy.deactivate_all(sync=True)
-        self.assertRaises(Error, partial(self.senpy.analyse, input="tupni"))
+        self.assertRaises(Error, partial(self.senpy.analyse,
+                                         input="tupni"))
+        self.assertRaises(Error, partial(self.senpy.analyse,
+                                         input="tupni",
+                                         algorithm='Dummy'))
 
     def test_analyse(self):
         """ Using a plugin """
@@ -81,6 +91,18 @@ class ExtensionsTest(TestCase):
         assert r1.analysis[0].id[:5] == "Dummy"
         assert r2.analysis[0].id[:5] == "Dummy"
 
+    def test_analyse_error(self):
+        mm = mock.MagicMock()
+        mm.analyse.side_effect = Error('error on analysis', status=900)
+        self.senpy.plugins['MOCK'] = mm
+        resp = self.senpy.analyse(input='nothing', algorithm='MOCK')
+        assert resp['message'] == 'error on analysis'
+        assert resp['status'] == 900
+        mm.analyse.side_effect = Exception('generic exception on analysis')
+        resp = self.senpy.analyse(input='nothing', algorithm='MOCK')
+        assert resp['message'] == 'generic exception on analysis'
+        assert resp['status'] == 500
+
     def test_filtering(self):
         """ Filtering plugins """
         assert len(self.senpy.filter_plugins(name="Dummy")) > 0
@@ -90,3 +112,7 @@ class ExtensionsTest(TestCase):
         assert not len(
             self.senpy.filter_plugins(
                 name="Dummy", is_activated=True))
+
+    def test_load_default_plugins(self):
+        senpy = Senpy(plugin_folder=self.dir, default_plugins=True)
+        assert len(senpy.plugins) > 1