Get the encoding right for HTML reporting. Fixes #5

Author: nedbat

django_coverage_plugin/plugin.py

@@ -142,14 +142,20 @@ def __init__(self, filename):
         self.name = os.path.relpath(filename)
         # TODO: html filenames are absolute.
 
+        self._source = None
+
+    def source(self):
+        if self._source is None:
+            self._source = read_template_source(self.filename)
+        return self._source
+
     def statements(self):
         source_lines = set()
 
         if SHOW_PARSING:
             print("-------------- {}".format(self.filename))
 
-        text = read_template_source(self.filename)
-        tokens = Lexer(text, self.filename).tokenize()
+        tokens = Lexer(self.source(), self.filename).tokenize()
 
         # Are we inside a comment?
         comment = False

tests/test_html.py

@@ -0,0 +1,22 @@
+# coding: utf8
+"""Tests of HTML reporting for django_coverage_plugin."""
+
+import os
+
+from .plugin_test import DjangoPluginTestCase
+
+
+class HtmlTest(DjangoPluginTestCase):
+
+    def test_simple(self):
+        self.make_template("""\
+            Simple © 2015
+            """)
+
+        self.run_django_coverage()
+        self.cov.html_report()
+        print(os.getcwd())
+        print(os.listdir("htmlcov"))
+        with open("htmlcov/templates_test_simple_html.html") as fhtml:
+            html = fhtml.read()
+        self.assertIn("<span class='txt'>Simple &#169; 2015</span>", html)