| # Copyright 2019 Google LLC |
| # |
| # Licensed under the Apache License, Version 2.0 (the "License"); |
| # you may not use this file except in compliance with the License. |
| # You may obtain a copy of the License at |
| # |
| # https://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| |
| """Tests for code_template.""" |
| |
| import unittest |
| from back_end.util import code_template |
| |
| |
| class FormatTest(unittest.TestCase): |
| """Tests for code_template.format.""" |
| |
| def test_no_replacement_fields(self): |
| self.assertEqual("foo", code_template.format_template("foo")) |
| self.assertEqual("{foo}", code_template.format_template("{foo}")) |
| self.assertEqual("$foo$", code_template.format_template("$foo$")) |
| self.assertEqual("$_foo$", code_template.format_template("$_foo$")) |
| self.assertEqual("$foo_$", code_template.format_template("$foo_$")) |
| |
| def test_one_replacement_field(self): |
| self.assertEqual("foo", code_template.format_template("$_bar_$", bar="foo")) |
| self.assertEqual("bazfoo", |
| code_template.format_template("baz$_bar_$", bar="foo")) |
| self.assertEqual("foobaz", |
| code_template.format_template("$_bar_$baz", bar="foo")) |
| self.assertEqual("bazfooqux", |
| code_template.format_template("baz$_bar_$qux", bar="foo")) |
| |
| def test_one_replacement_field_with_formatting(self): |
| self.assertEqual("1.000000", |
| code_template.format_template("$_bar:.6f_$", bar=1)) |
| self.assertEqual("'foo'", |
| code_template.format_template("$_bar!r_$", bar="foo")) |
| self.assertEqual("==foo==", |
| code_template.format_template("$_bar:=^7_$", bar="foo")) |
| self.assertEqual("=='foo'==", |
| code_template.format_template("$_bar!r:=^9_$", bar="foo")) |
| self.assertEqual("xx=='foo'==yy", |
| code_template.format_template("xx$_bar!r:=^9_$yy", |
| bar="foo")) |
| |
| def test_one_replacement_field_value_missing(self): |
| self.assertRaises(KeyError, code_template.format_template, "$_bar_$") |
| |
| def test_multiple_replacement_fields(self): |
| self.assertEqual(" aaa bbb ", |
| code_template.format_template(" $_bar_$ $_baz_$ ", |
| bar="aaa", |
| baz="bbb")) |
| |
| |
| class ParseTemplatesTest(unittest.TestCase): |
| """Tests for code_template.parse_templates.""" |
| |
| def test_handles_no_template_case(self): |
| self.assertEqual({}, code_template.parse_templates("")._asdict()) |
| self.assertEqual({}, code_template.parse_templates( |
| "this is not a template")._asdict()) |
| |
| def test_handles_one_template_at_start(self): |
| self.assertEqual({"foo": "bar"}, |
| code_template.parse_templates("** foo **\nbar")._asdict()) |
| |
| def test_handles_one_template_after_start(self): |
| self.assertEqual( |
| {"foo": "bar"}, |
| code_template.parse_templates("text\n** foo **\nbar")._asdict()) |
| |
| def test_handles_delimiter_with_other_text(self): |
| self.assertEqual( |
| {"foo": "bar"}, |
| code_template.parse_templates("text\n// ** foo ** ////\nbar")._asdict()) |
| self.assertEqual( |
| {"foo": "bar"}, |
| code_template.parse_templates("text\n# ** foo ** #####\nbar")._asdict()) |
| |
| def test_handles_multiple_delimiters(self): |
| self.assertEqual({"foo": "bar", |
| "baz": "qux"}, code_template.parse_templates( |
| "** foo **\nbar\n** baz **\nqux")._asdict()) |
| |
| def test_returns_object_with_attributes(self): |
| self.assertEqual("bar", code_template.parse_templates( |
| "** foo **\nbar\n** baz **\nqux").foo) |
| |
| if __name__ == "__main__": |
| unittest.main() |
