Add sphinx.util.fileutil.copy_asset_file()

tests/test_util_fileutil.py

@@ -0,0 +1,58 @@
+# -*- coding: utf-8 -*-
+"""
+    test_util_fileutil
+    ~~~~~~~~~~~~~~~~~~
+
+    Tests sphinx.util.fileutil functions.
+
+    :copyright: Copyright 2007-2016 by the Sphinx team, see AUTHORS.
+    :license: BSD, see LICENSE for details.
+"""
+from sphinx.util.fileutil import copy_asset_file
+from sphinx.jinja2glue import BuiltinTemplateLoader
+
+from mock import Mock
+from util import with_tempdir
+
+
+class DummyTemplateLoader(BuiltinTemplateLoader):
+    def __init__(self):
+        BuiltinTemplateLoader.__init__(self)
+        builder = Mock()
+        builder.config.templates_path = []
+        builder.app.translater = None
+        self.init(builder)
+
+
+@with_tempdir
+def test_copy_asset_file(tmpdir):
+    renderer = DummyTemplateLoader()
+
+    # copy normal file
+    src = (tmpdir / 'asset.txt')
+    src.write_text('# test data')
+    dest = (tmpdir / 'output.txt')
+
+    copy_asset_file(src, dest)
+    assert dest.exists()
+    assert src.text() == dest.text()
+
+    # copy template file
+    src = (tmpdir / 'asset.txt_t')
+    src.write_text('# {{var1}} data')
+    dest = (tmpdir / 'output.txt_t')
+
+    copy_asset_file(src, dest, {'var1': 'template'}, renderer)
+    assert not dest.exists()
+    assert (tmpdir / 'output.txt').exists()
+    assert (tmpdir / 'output.txt').text() == '# template data'
+
+    # copy template file to subdir
+    src = (tmpdir / 'asset.txt_t')
+    src.write_text('# {{var1}} data')
+    subdir = (tmpdir / 'subdir')
+    subdir.makedirs()
+
+    copy_asset_file(src, subdir, {'var1': 'template'}, renderer)
+    assert (subdir / 'asset.txt').exists()
+    assert (subdir / 'asset.txt').text() == '# template data'