Add some coverage

pygal/test/test_graph.py

@@ -381,3 +381,15 @@ def test_ipython_notebook(Chart, datas):
     chart = Chart()
     chart = make_data(chart, datas)
     assert chart._repr_svg_()
+
+
+def test_long_title(Chart, datas):
+    chart = Chart(
+        title="A chart is a graphical representation of data, in which "
+        "'the data is represented by symbols, such as bars in a bar chart, "
+        "lines in a line chart, or slices in a pie chart'. A chart can "
+        "represent tabular numeric data, functions or some kinds of "
+        "qualitative structure and provides different info.")
+    chart = make_data(chart, datas)
+    q = chart.render_pyquery()
+    assert len(q('.titles text')) == 5

pygal/test/test_style.py

@@ -0,0 +1,44 @@
+# -*- coding: utf-8 -*-
+# This file is part of pygal
+#
+# A python svg graph plotting library
+# Copyright © 2012-2014 Kozea
+#
+# This library is free software: you can redistribute it and/or modify it under
+# the terms of the GNU Lesser General Public License as published by the Free
+# Software Foundation, either version 3 of the License, or (at your option) any
+# later version.
+#
+# This library is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+# FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
+# details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# along with pygal. If not, see <http://www.gnu.org/licenses/>.
+from pygal import Line
+from pygal.style import (
+    LightStyle,
+    LightenStyle, DarkenStyle, SaturateStyle, DesaturateStyle, RotateStyle
+)
+
+STYLES = LightenStyle, DarkenStyle, SaturateStyle, DesaturateStyle, RotateStyle
+
+
+def test_parametric_styles():
+    chart = None
+    for style in STYLES:
+        line = Line(style=style('#f4e83a'))
+        line.add('_', [1, 2, 3])
+        line.x_labels = 'abc'
+        new_chart = line.render()
+        assert chart != new_chart
+        chart = new_chart
+
+
+def test_parametric_styles_with_parameters():
+    line = Line(style=RotateStyle(
+        '#de3804', step=12, max_=180, base_style=LightStyle))
+    line.add('_', [1, 2, 3])
+    line.x_labels = 'abc'
+    assert line.render()