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 <stddef.h>
6
7 #include <iterator>
8
9 #include "base/macros.h"
10 #include "gn/err.h"
11 #include "gn/label_pattern.h"
12 #include "gn/value.h"
13 #include "util/test/test.h"
14
15 namespace {
16
17 struct PatternCase {
18 const char* input;
19 bool success;
20
21 LabelPattern::Type type;
22 const char* dir;
23 const char* name;
24 const char* toolchain;
25 };
26
27 } // namespace
28
TEST(LabelPattern,PatternParse)29 TEST(LabelPattern, PatternParse) {
30 SourceDir current_dir("//foo/");
31 PatternCase cases[] = {
32 // Missing stuff.
33 {"", false, LabelPattern::MATCH, "", "", ""},
34 {":", false, LabelPattern::MATCH, "", "", ""},
35 // Normal things.
36 {":bar", true, LabelPattern::MATCH, "//foo/", "bar", ""},
37 {"//la:bar", true, LabelPattern::MATCH, "//la/", "bar", ""},
38 {"*", true, LabelPattern::RECURSIVE_DIRECTORY, "", "", ""},
39 {":*", true, LabelPattern::DIRECTORY, "//foo/", "", ""},
40 {"la:*", true, LabelPattern::DIRECTORY, "//foo/la/", "", ""},
41 {"la/*:*", true, LabelPattern::RECURSIVE_DIRECTORY, "//foo/la/", "", ""},
42 {"//la:*", true, LabelPattern::DIRECTORY, "//la/", "", ""},
43 {"./*", true, LabelPattern::RECURSIVE_DIRECTORY, "//foo/", "", ""},
44 {"foo/*", true, LabelPattern::RECURSIVE_DIRECTORY, "//foo/foo/", "", ""},
45 {"//l/*", true, LabelPattern::RECURSIVE_DIRECTORY, "//l/", "", ""},
46 // Toolchains.
47 {"//foo()", true, LabelPattern::MATCH, "//foo/", "foo", ""},
48 {"//foo(//bar)", true, LabelPattern::MATCH, "//foo/", "foo", "//bar:bar"},
49 {"//foo:*(//bar)", true, LabelPattern::DIRECTORY, "//foo/", "",
50 "//bar:bar"},
51 {"//foo/*(//bar)", true, LabelPattern::RECURSIVE_DIRECTORY, "//foo/", "",
52 "//bar:bar"},
53 // Wildcards in invalid places.
54 {"*foo*:bar", false, LabelPattern::MATCH, "", "", ""},
55 {"foo*:*bar", false, LabelPattern::MATCH, "", "", ""},
56 {"*foo:bar", false, LabelPattern::MATCH, "", "", ""},
57 {"foo:bar*", false, LabelPattern::MATCH, "", "", ""},
58 {"*:*", true, LabelPattern::RECURSIVE_DIRECTORY, "", "", ""},
59 // Invalid toolchain stuff.
60 {"//foo(//foo/bar:*)", false, LabelPattern::MATCH, "", "", ""},
61 {"//foo/*(*)", false, LabelPattern::MATCH, "", "", ""},
62 {"//foo(//bar", false, LabelPattern::MATCH, "", "", ""},
63 // Absolute paths.
64 {"/la/*", true, LabelPattern::RECURSIVE_DIRECTORY, "/la/", "", ""},
65 {"/la:bar", true, LabelPattern::MATCH, "/la/", "bar", ""},
66 #if defined(OS_WIN)
67 {"/C:/la/*", true, LabelPattern::RECURSIVE_DIRECTORY, "/C:/la/", "", ""},
68 {"C:/la/*", true, LabelPattern::RECURSIVE_DIRECTORY, "/C:/la/", "", ""},
69 {"/C:/la:bar", true, LabelPattern::MATCH, "/C:/la/", "bar", ""},
70 {"C:/la:bar", true, LabelPattern::MATCH, "/C:/la/", "bar", ""},
71 {"C:foo", true, LabelPattern::MATCH, "//foo/C/", "foo", ""},
72 #endif
73 };
74
75 for (size_t i = 0; i < std::size(cases); i++) {
76 const PatternCase& cur = cases[i];
77 Err err;
78 LabelPattern result = LabelPattern::GetPattern(
79 current_dir, std::string_view(), Value(nullptr, cur.input), &err);
80
81 EXPECT_EQ(cur.success, !err.has_error()) << i << " " << cur.input;
82 EXPECT_EQ(cur.type, result.type()) << i << " " << cur.input;
83 EXPECT_EQ(cur.dir, result.dir().value()) << i << " " << cur.input;
84 EXPECT_EQ(cur.name, result.name()) << i << " " << cur.input;
85 EXPECT_EQ(cur.toolchain, result.toolchain().GetUserVisibleName(false))
86 << i << " " << cur.input;
87 }
88 }
89
90 // Tests a non-empty source root which allows patterns to reference above the
91 // source root.
TEST(LabelPattern,PatternParseAboveSourceRoot)92 TEST(LabelPattern, PatternParseAboveSourceRoot) {
93 SourceDir current_dir("//foo/");
94 std::string source_root = "/foo/bar/baz/";
95
96 Err err;
97 LabelPattern result = LabelPattern::GetPattern(
98 current_dir, source_root, Value(nullptr, "../../../*"), &err);
99 ASSERT_FALSE(err.has_error());
100
101 EXPECT_EQ(LabelPattern::RECURSIVE_DIRECTORY, result.type());
102 EXPECT_EQ("/foo/", result.dir().value()) << result.dir().value();
103 }
104