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