Update key hint tests for new format.

Change the unit tests to expect the new tabular format.
Also generally clean up the tests -- refactor from a class to
module-level functions as there was no need for a class here.

scripts/dev/check_coverage.py

@@ -136,6 +136,8 @@ PERFECT_FILES = [
         'qutebrowser/utils/jinja.py'),
     ('tests/unit/utils/test_error.py',
         'qutebrowser/utils/error.py'),
+    ('tests/unit/utils/test_keyhints.py',
+        'qutebrowser/misc/keyhintwidget.py'),
 ]
 
 

tests/unit/misc/test_keyhints.py

@@ -20,19 +20,32 @@
 """Test the keyhint widget."""
 
 from collections import OrderedDict
-from unittest import mock
-from PyQt5.QtCore import Qt
-from PyQt5.QtWidgets import QApplication
 import pytest
 
 from qutebrowser.misc.keyhintwidget import KeyHintView
 
 
-class TestKeyHintView:
+def expected_text(*args):
-    """Tests for KeyHintView widget."""
+    """Helper to format text we expect the KeyHintView to generate.
 
-    @pytest.fixture
+    Args:
-    def keyhint(self, qtbot, config_stub, key_config_stub):
+        args: One tuple for each row in the expected output.
+              Tuples are of the form: (prefix, color, suffix, command).
+    """
+    text = '<table>'
+    for group in args:
+        print("group = {}".format(group))
+        text += ("<tr>"
+                 "<td>{}</td>"
+                 "<td style='color: {}'>{}</td>"
+                 "<td style='padding-left: 2ex'>{}</td>"
+                 "</tr>").format(*group)
+
+    return text + '</table>'
+
+
+@pytest.fixture
+def keyhint(qtbot, config_stub, key_config_stub):
     """Fixture to initialize a KeyHintView."""
     config_stub.data = {
         'colors': {
@@ -44,11 +57,12 @@ class TestKeyHintView:
         'ui': {'show-keyhints': True},
     }
     keyhint = KeyHintView(0, None)
-        #qtbot.add_widget(keyhint)
+    qtbot.add_widget(keyhint)
     assert keyhint.text() == ''
     return keyhint
 
-    def test_suggestions(self, qtbot, keyhint, key_config_stub):
+
+def test_suggestions(keyhint, key_config_stub):
     """Test cursor position based on the prompt."""
     # we want the dict to return sorted items() for reliable testing
     key_config_stub.set_bindings_for('normal', OrderedDict([
@@ -60,37 +74,39 @@ class TestKeyHintView:
         ('xe', 'cmd-xe')]))
 
     keyhint.update_keyhint('normal', 'a')
-        line = "a<font color='{}'>{}</font> {}<br>"
+    assert keyhint.text() == expected_text(
-        assert keyhint.text() == (line.format('yellow', 'a', 'cmd-aa') +
+        ('a', 'yellow', 'a', 'cmd-aa'),
-                                  line.format('yellow', 'b', 'cmd-ab') +
+        ('a', 'yellow', 'b', 'cmd-ab'),
-                                  line.format('yellow', 'ba', 'cmd-aba') +
+        ('a', 'yellow', 'ba', 'cmd-aba'),
-                                  line.format('yellow', 'bb', 'cmd-abb'))
+        ('a', 'yellow', 'bb', 'cmd-abb'))
 
-    def test_special_bindings(self, qtbot, keyhint, key_config_stub):
+
-        """Ensure the a prefix of '<' doesn't suggest special keys"""
+def test_special_bindings(keyhint, key_config_stub):
+    """Ensure the a prefix of '<' doesn't suggest special keys."""
     # we want the dict to return sorted items() for reliable testing
     key_config_stub.set_bindings_for('normal', OrderedDict([
-            ('<a', 'cmd-aa'),
+        ('<a', 'cmd-<a'),
-            ('<b', 'cmd-ab'),
+        ('<b', 'cmd-<b'),
-            ('<ctrl-a>', 'cmd-aba')]))
+        ('<ctrl-a>', 'cmd-ctrla')]))
 
     keyhint.update_keyhint('normal', '<')
-        line = "&lt;<font color='{}'>{}</font> {}<br>"
+    assert keyhint.text() == expected_text(
-        assert keyhint.text() == (line.format('yellow', 'a', 'cmd-aa') +
+        ('&lt;', 'yellow', 'a', 'cmd-&lt;a'),
-                                  line.format('yellow', 'b', 'cmd-ab'))
+        ('&lt;', 'yellow', 'b', 'cmd-&lt;b'))
 
-    def test_disable(self, qtbot, keyhint, config_stub):
+
+def test_disable(keyhint, config_stub):
     """Ensure the widget isn't visible if disabled."""
     config_stub.set('ui', 'show-keyhints', False)
     keyhint.update_keyhint('normal', 'a')
     assert not keyhint.text()
     assert not keyhint.isVisible()
 
-    def test_color_switch(self, qtbot, keyhint, config_stub, key_config_stub):
+
+def test_color_switch(keyhint, config_stub, key_config_stub):
     """Ensure the the keyhint suffix color can be updated at runtime."""
     config_stub.set('colors', 'keyhint.fg.suffix', '#ABCDEF')
     key_config_stub.set_bindings_for('normal', OrderedDict([
         ('aa', 'cmd-aa')]))
     keyhint.update_keyhint('normal', 'a')
-        expected = "a<font color='#ABCDEF'>a</font> cmd-aa<br>"
+    assert keyhint.text() == expected_text(('a', '#ABCDEF', 'a', 'cmd-aa'))
-        assert keyhint.text() == expected