| // Copyright (c) 2013 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include <stddef.h> |
| |
| #include <iterator> |
| |
| #include "base/macros.h" |
| #include "gn/err.h" |
| #include "gn/label.h" |
| #include "gn/value.h" |
| #include "util/build_config.h" |
| #include "util/test/test.h" |
| |
| namespace { |
| |
| struct ParseDepStringCase { |
| const char* cur_dir; |
| const char* str; |
| bool success; |
| const char* expected_dir; |
| const char* expected_name; |
| const char* expected_toolchain_dir; |
| const char* expected_toolchain_name; |
| }; |
| |
| } // namespace |
| |
| TEST(Label, Resolve) { |
| ParseDepStringCase cases[] = { |
| {"//chrome/", "", false, "", "", "", ""}, |
| {"//chrome/", "/", false, "", "", "", ""}, |
| {"//chrome/", ":", false, "", "", "", ""}, |
| {"//chrome/", "/:", false, "", "", "", ""}, |
| {"//chrome/", "blah", true, "//chrome/blah/", "blah", "//t/", "d"}, |
| {"//chrome/", "blah:bar", true, "//chrome/blah/", "bar", "//t/", "d"}, |
| // Absolute paths. |
| {"//chrome/", "/chrome:bar", true, "/chrome/", "bar", "//t/", "d"}, |
| {"//chrome/", "/chrome/:bar", true, "/chrome/", "bar", "//t/", "d"}, |
| #if defined(OS_WIN) |
| {"//chrome/", "/C:/chrome:bar", true, "/C:/chrome/", "bar", "//t/", "d"}, |
| {"//chrome/", "/C:/chrome/:bar", true, "/C:/chrome/", "bar", "//t/", "d"}, |
| {"//chrome/", "C:/chrome:bar", true, "/C:/chrome/", "bar", "//t/", "d"}, |
| #endif |
| // Refers to root dir. |
| {"//chrome/", "//:bar", true, "//", "bar", "//t/", "d"}, |
| // Implicit directory |
| {"//chrome/", ":bar", true, "//chrome/", "bar", "//t/", "d"}, |
| {"//chrome/renderer/", ":bar", true, "//chrome/renderer/", "bar", "//t/", |
| "d"}, |
| // Implicit names. |
| {"//chrome/", "//base", true, "//base/", "base", "//t/", "d"}, |
| {"//chrome/", "//base/i18n", true, "//base/i18n/", "i18n", "//t/", "d"}, |
| {"//chrome/", "//base/i18n:foo", true, "//base/i18n/", "foo", "//t/", "d"}, |
| {"//chrome/", "//", false, "", "", "", ""}, |
| // Toolchain parsing. |
| {"//chrome/", "//chrome:bar(//t:n)", true, "//chrome/", "bar", "//t/", "n"}, |
| {"//chrome/", "//chrome:bar(//t)", true, "//chrome/", "bar", "//t/", "t"}, |
| {"//chrome/", "//chrome:bar(//t:)", true, "//chrome/", "bar", "//t/", "t"}, |
| {"//chrome/", "//chrome:bar()", true, "//chrome/", "bar", "//t/", "d"}, |
| {"//chrome/", "//chrome:bar(foo)", true, "//chrome/", "bar", |
| "//chrome/foo/", "foo"}, |
| {"//chrome/", "//chrome:bar(:foo)", true, "//chrome/", "bar", "//chrome/", |
| "foo"}, |
| // TODO(brettw) it might be nice to make this an error: |
| //{"//chrome/", "//chrome:bar())", false, "", "", "", "" }, |
| {"//chrome/", "//chrome:bar(//t:bar(tc))", false, "", "", "", ""}, |
| {"//chrome/", "//chrome:bar(()", false, "", "", "", ""}, |
| {"//chrome/", "(t:b)", false, "", "", "", ""}, |
| {"//chrome/", ":bar(//t/b)", true, "//chrome/", "bar", "//t/b/", "b"}, |
| {"//chrome/", ":bar(/t/b)", true, "//chrome/", "bar", "/t/b/", "b"}, |
| {"//chrome/", ":bar(t/b)", true, "//chrome/", "bar", "//chrome/t/b/", "b"}, |
| }; |
| |
| Label default_toolchain(SourceDir("//t/"), "d"); |
| |
| for (size_t i = 0; i < std::size(cases); i++) { |
| const ParseDepStringCase& cur = cases[i]; |
| |
| std::string location, name; |
| Err err; |
| Value v(nullptr, Value::STRING); |
| v.string_value() = cur.str; |
| Label result = Label::Resolve(SourceDir(cur.cur_dir), std::string_view(), |
| default_toolchain, v, &err); |
| EXPECT_EQ(cur.success, !err.has_error()) << i << " " << cur.str; |
| if (!err.has_error() && cur.success) { |
| EXPECT_EQ(cur.expected_dir, result.dir().value()) << i << " " << cur.str; |
| EXPECT_EQ(cur.expected_name, result.name()) << i << " " << cur.str; |
| EXPECT_EQ(cur.expected_toolchain_dir, result.toolchain_dir().value()) |
| << i << " " << cur.str; |
| EXPECT_EQ(cur.expected_toolchain_name, result.toolchain_name()) |
| << i << " " << cur.str; |
| } |
| } |
| } |
| |
| // Tests the case where the path resolves to something above "//". It should get |
| // converted to an absolute path "/foo/bar". |
| TEST(Label, ResolveAboveRootBuildDir) { |
| Label default_toolchain(SourceDir("//t/"), "d"); |
| |
| std::string location, name; |
| Err err; |
| |
| SourceDir cur_dir("//cur/"); |
| std::string source_root("/foo/bar/baz"); |
| |
| // No source root given, should not go above the root build dir. |
| Label result = Label::Resolve(cur_dir, std::string_view(), default_toolchain, |
| Value(nullptr, "../../..:target"), &err); |
| EXPECT_FALSE(err.has_error()); |
| EXPECT_EQ("//", result.dir().value()) << result.dir().value(); |
| EXPECT_EQ("target", result.name()); |
| |
| // Source root provided, it should go into that. |
| result = Label::Resolve(cur_dir, source_root, default_toolchain, |
| Value(nullptr, "../../..:target"), &err); |
| EXPECT_FALSE(err.has_error()); |
| EXPECT_EQ("/foo/", result.dir().value()) << result.dir().value(); |
| EXPECT_EQ("target", result.name()); |
| |
| // It shouldn't go up higher than the system root. |
| result = Label::Resolve(cur_dir, source_root, default_toolchain, |
| Value(nullptr, "../../../../..:target"), &err); |
| EXPECT_FALSE(err.has_error()); |
| EXPECT_EQ("/", result.dir().value()) << result.dir().value(); |
| EXPECT_EQ("target", result.name()); |
| |
| // Test an absolute label that goes above the source root. This currently |
| // stops at the source root. It should arguably keep going and produce "/foo/" |
| // but this test just makes sure the current behavior isn't regressed by |
| // accident. |
| result = Label::Resolve(cur_dir, source_root, default_toolchain, |
| Value(nullptr, "//../.."), &err); |
| EXPECT_FALSE(err.has_error()) << err.message(); |
| EXPECT_EQ("/foo/", result.dir().value()) << result.dir().value(); |
| EXPECT_EQ("foo", result.name()); |
| } |