tools/gn/template_unittest.cc

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "testing/gtest/include/gtest/gtest.h"
   6 #include "tools/gn/test_with_scope.h"
   7
   8 TEST(Template, Basic) {
   9   TestWithScope setup;
  10   TestParseInput input(
  11       "template(\"foo\") {\n"
  12       "  print(target_name)\n"
  13       "  print(invoker.bar)\n"
  14       "}\n"
  15       "foo(\"lala\") {\n"
  16       "  bar = 42\n"
  17       "}");
  18   ASSERT_FALSE(input.has_error());
  19
  20   Err err;
  21   input.parsed()->Execute(setup.scope(), &err);
  22   ASSERT_FALSE(err.has_error()) << err.message();
  23
  24   EXPECT_EQ("lala\n42\n", setup.print_output());
  25 }
  26
  27 TEST(Template, UnusedTargetNameShouldThrowError) {
  28   TestWithScope setup;
  29   TestParseInput input(
  30       "template(\"foo\") {\n"
  31       "  print(invoker.bar)\n"
  32       "}\n"
  33       "foo(\"lala\") {\n"
  34       "  bar = 42\n"
  35       "}");
  36   ASSERT_FALSE(input.has_error());
  37
  38   Err err;
  39   input.parsed()->Execute(setup.scope(), &err);
  40   EXPECT_TRUE(err.has_error());
  41 }
  42
  43 TEST(Template, UnusedInvokerShouldThrowError) {
  44   TestWithScope setup;
  45   TestParseInput input(
  46       "template(\"foo\") {\n"
  47       "  print(target_name)\n"
  48       "}\n"
  49       "foo(\"lala\") {\n"
  50       "  bar = 42\n"
  51       "}");
  52   ASSERT_FALSE(input.has_error());
  53
  54   Err err;
  55   input.parsed()->Execute(setup.scope(), &err);
  56   EXPECT_TRUE(err.has_error());
  57 }
  58
  59 TEST(Template, UnusedVarInInvokerShouldThrowError) {
  60   TestWithScope setup;
  61   TestParseInput input(
  62       "template(\"foo\") {\n"
  63       "  print(target_name)\n"
  64       "  print(invoker.bar)\n"
  65       "}\n"
  66       "foo(\"lala\") {\n"
  67       "  bar = 42\n"
  68       "  baz = [ \"foo\" ]\n"
  69       "}");
  70   ASSERT_FALSE(input.has_error());
  71
  72   Err err;
  73   input.parsed()->Execute(setup.scope(), &err);
  74   EXPECT_TRUE(err.has_error());
  75 }