Rework test matrix and structure

tests/test_widgets.py

@@ -0,0 +1,83 @@
+import json
+from pyquery import PyQuery as pq
+import six
+
+from django.test import SimpleTestCase
+from django.core.exceptions import ValidationError
+
+from jsignature.widgets import JSignatureWidget
+from jsignature.settings import JSIGNATURE_HEIGHT
+
+
+class JSignatureWidgetTest(SimpleTestCase):
+
+    def test_default_media(self):
+        widget = JSignatureWidget()
+        media = widget.media
+        media_js = list(media.render_js())
+        self.assertEqual(3, len(media_js))
+        media_js_str = "".join(media_js)
+        self.assertIn('jSignature.min.js', media_js_str)
+        self.assertIn('django_jsignature.js', media_js_str)
+        media_css = list(media.render_css())
+        self.assertEquals([], media_css)
+
+    def test_init(self):
+        w = JSignatureWidget()
+        self.assertEquals({}, w.jsignature_attrs)
+        given_attrs = {'width': 300, 'height': 100}
+        w = JSignatureWidget(jsignature_attrs=given_attrs)
+        self.assertEquals(given_attrs, w.jsignature_attrs)
+
+    def test_build_jsignature_id(self):
+        w = JSignatureWidget()
+        id = w.build_jsignature_id('foo')
+        self.assertEqual('jsign_foo', id)
+
+    def test_build_jsignature_config(self):
+        w = JSignatureWidget(jsignature_attrs={'width': 400})
+        config = w.build_jsignature_config()
+        self.assertEqual(400, config.get('width'))
+        self.assertEqual(JSIGNATURE_HEIGHT, config.get('height'))
+
+    def test_prep_value_empty_values(self):
+        w = JSignatureWidget()
+        for val in ['', [], '[]']:
+            self.assertEqual('[]', w.prep_value(val))
+
+    def test_prep_value_correct_values_python(self):
+        w = JSignatureWidget()
+        val = [{"x": [1, 2], "y": [3, 4]}]
+        val_prep = w.prep_value(val)
+        self.assertIsInstance(val_prep, six.string_types)
+        self.assertEquals(val, json.loads(val_prep))
+
+    def test_prep_value_correct_values_json(self):
+        w = JSignatureWidget()
+        val = [{"x": [1, 2], "y": [3, 4]}]
+        val_str = '[{"x":[1,2], "y":[3,4]}]'
+        val_prep = w.prep_value(val_str)
+        self.assertIsInstance(val_prep, six.string_types)
+        self.assertEquals(val, json.loads(val_prep))
+
+    def test_prep_value_incorrect_values(self):
+        w = JSignatureWidget()
+        val = type('Foo')
+        self.assertRaises(ValidationError, w.prep_value, val)
+
+    def test_render(self):
+        w = JSignatureWidget()
+        output = w.render(name='foo', value=None)
+        # Almost useless :/
+        self.assertEqual(1, len(pq('.jsign-wrapper', output)))
+        self.assertEqual(1, len(pq('[type=hidden]', output)))
+
+    def test_render_reset_button_true(self):
+        w = JSignatureWidget(jsignature_attrs={'ResetButton': True})
+        output = w.render(name='foo', value=None)
+        self.assertEqual(1, len(pq('[type=button]', output)))
+
+    def test_render_reset_button_false(self):
+        w = JSignatureWidget(jsignature_attrs={'ResetButton': False})
+        output = w.render(name='foo', value=None)
+        self.assertEqual(0, len(pq('[type=button]', output)))