Add testcase for CellRendererProgress - SL #1395

Signed-off-by: Manuel Quiñones <manuq@laptop.org>

tests/graphics/cellrendererprogress.py

@@ -0,0 +1,43 @@
+"""
+
+http://developer.gnome.org/gtk3/stable/GtkCellRendererProgress.html
+
+"""
+
+from gi.repository import Gtk
+
+from sugar3.graphics import style
+
+import common
+
+
+test = common.Test()
+test.show()
+
+model = Gtk.ListStore(str, int, int)
+for item in [('one', 72, -1), ('two', 50, -1), ('three', 35, -1), ('four', 0, 5)]:
+    model.append(item)
+
+treeview = Gtk.TreeView()
+treeview.set_model(model)
+treeview.set_headers_visible(False)
+test.pack_start(treeview, True, True, 0)
+treeview.show()
+
+col = Gtk.TreeViewColumn()
+treeview.append_column(col)
+
+cell_text = Gtk.CellRendererText()
+cell_text.props.height = style.GRID_CELL_SIZE
+col.pack_start(cell_text, expand=False)
+col.add_attribute(cell_text, 'text', 0)
+
+cell_progress = Gtk.CellRendererProgress()
+cell_progress.props.ypad = style.GRID_CELL_SIZE / 4
+col.pack_start(cell_progress, expand=True)
+col.add_attribute(cell_progress, 'value', 1)
+col.add_attribute(cell_progress, 'pulse', 2)
+
+
+if __name__ == '__main__':
+    common.main(test)