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Diffstat (limited to 'src/cmd/go/internal/search/search_test.go')
-rw-r--r-- | src/cmd/go/internal/search/search_test.go | 165 |
1 files changed, 165 insertions, 0 deletions
diff --git a/src/cmd/go/internal/search/search_test.go b/src/cmd/go/internal/search/search_test.go new file mode 100644 index 0000000..5f27daf --- /dev/null +++ b/src/cmd/go/internal/search/search_test.go @@ -0,0 +1,165 @@ +// Copyright 2012 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package search + +import ( + "strings" + "testing" +) + +var matchPatternTests = ` + pattern ... + match foo + + pattern net + match net + not net/http + + pattern net/http + match net/http + not net + + pattern net... + match net net/http netchan + not not/http not/net/http + + # Special cases. Quoting docs: + + # First, /... at the end of the pattern can match an empty string, + # so that net/... matches both net and packages in its subdirectories, like net/http. + pattern net/... + match net net/http + not not/http not/net/http netchan + + # Second, any slash-separated pattern element containing a wildcard never + # participates in a match of the "vendor" element in the path of a vendored + # package, so that ./... does not match packages in subdirectories of + # ./vendor or ./mycode/vendor, but ./vendor/... and ./mycode/vendor/... do. + # Note, however, that a directory named vendor that itself contains code + # is not a vendored package: cmd/vendor would be a command named vendor, + # and the pattern cmd/... matches it. + pattern ./... + match ./vendor ./mycode/vendor + not ./vendor/foo ./mycode/vendor/foo + + pattern ./vendor/... + match ./vendor/foo ./vendor/foo/vendor + not ./vendor/foo/vendor/bar + + pattern mycode/vendor/... + match mycode/vendor mycode/vendor/foo mycode/vendor/foo/vendor + not mycode/vendor/foo/vendor/bar + + pattern x/vendor/y + match x/vendor/y + not x/vendor + + pattern x/vendor/y/... + match x/vendor/y x/vendor/y/z x/vendor/y/vendor x/vendor/y/z/vendor + not x/vendor/y/vendor/z + + pattern .../vendor/... + match x/vendor/y x/vendor/y/z x/vendor/y/vendor x/vendor/y/z/vendor +` + +func TestMatchPattern(t *testing.T) { + testPatterns(t, "MatchPattern", matchPatternTests, func(pattern, name string) bool { + return MatchPattern(pattern)(name) + }) +} + +var treeCanMatchPatternTests = ` + pattern ... + match foo + + pattern net + match net + not net/http + + pattern net/http + match net net/http + + pattern net... + match net netchan net/http + not not/http not/net/http + + pattern net/... + match net net/http + not not/http netchan + + pattern abc.../def + match abcxyz + not xyzabc + + pattern x/y/z/... + match x x/y x/y/z x/y/z/w + + pattern x/y/z + match x x/y x/y/z + not x/y/z/w + + pattern x/.../y/z + match x/a/b/c + not y/x/a/b/c +` + +func TestTreeCanMatchPattern(t *testing.T) { + testPatterns(t, "TreeCanMatchPattern", treeCanMatchPatternTests, func(pattern, name string) bool { + return TreeCanMatchPattern(pattern)(name) + }) +} + +var hasPathPrefixTests = []stringPairTest{ + {"abc", "a", false}, + {"a/bc", "a", true}, + {"a", "a", true}, + {"a/bc", "a/", true}, +} + +func TestHasPathPrefix(t *testing.T) { + testStringPairs(t, "hasPathPrefix", hasPathPrefixTests, hasPathPrefix) +} + +type stringPairTest struct { + in1 string + in2 string + out bool +} + +func testStringPairs(t *testing.T, name string, tests []stringPairTest, f func(string, string) bool) { + for _, tt := range tests { + if out := f(tt.in1, tt.in2); out != tt.out { + t.Errorf("%s(%q, %q) = %v, want %v", name, tt.in1, tt.in2, out, tt.out) + } + } +} + +func testPatterns(t *testing.T, name, tests string, fn func(string, string) bool) { + var patterns []string + for _, line := range strings.Split(tests, "\n") { + if i := strings.Index(line, "#"); i >= 0 { + line = line[:i] + } + f := strings.Fields(line) + if len(f) == 0 { + continue + } + switch f[0] { + default: + t.Fatalf("unknown directive %q", f[0]) + case "pattern": + patterns = f[1:] + case "match", "not": + want := f[0] == "match" + for _, pattern := range patterns { + for _, in := range f[1:] { + if fn(pattern, in) != want { + t.Errorf("%s(%q, %q) = %v, want %v", name, pattern, in, !want, want) + } + } + } + } + } +} |