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21ab5a488d
This converts filepath.Separator to '/', if it isn't already. This allows both native paths and patterns, as well as a mix of them. Added tests.
275 lines
6.8 KiB
Go
275 lines
6.8 KiB
Go
package filter_test
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import (
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"bufio"
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"compress/bzip2"
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"fmt"
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"os"
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"path/filepath"
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"strings"
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"testing"
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"github.com/restic/restic/filter"
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)
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var matchTests = []struct {
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pattern string
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path string
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match bool
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}{
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{"", "", true},
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{"", "foo", true},
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{"", "/x/y/z/foo", true},
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{"*.go", "/foo/bar/test.go", true},
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{"*.c", "/foo/bar/test.go", false},
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{"*", "/foo/bar/test.go", true},
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{"foo*", "/foo/bar/test.go", true},
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{"bar*", "/foo/bar/test.go", true},
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{"/bar*", "/foo/bar/test.go", false},
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{"bar/*", "/foo/bar/test.go", true},
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{"baz/*", "/foo/bar/test.go", false},
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{"bar/test.go", "/foo/bar/test.go", true},
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{"bar/*.go", "/foo/bar/test.go", true},
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{"ba*/*.go", "/foo/bar/test.go", true},
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{"bb*/*.go", "/foo/bar/test.go", false},
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{"test.*", "/foo/bar/test.go", true},
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{"tesT.*", "/foo/bar/test.go", false},
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{"bar/*", "/foo/bar/baz", true},
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{"bar", "/foo/bar", true},
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{"bar", "/foo/bar/baz", true},
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{"bar", "/foo/bar/test.go", true},
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{"/foo/*test.*", "/foo/bar/test.go", false},
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{"/foo/*/test.*", "/foo/bar/test.go", true},
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{"/foo/*/bar/test.*", "/foo/bar/test.go", false},
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{"/*/*/bar/test.*", "/foo/bar/test.go", false},
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{"/*/*/bar/test.*", "/foo/bar/baz/test.go", false},
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{"/*/*/baz/test.*", "/foo/bar/baz/test.go", true},
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{"/*/foo/bar/test.*", "/foo/bar/baz/test.go", false},
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{"/*/foo/bar/test.*", "/foo/bar/baz/test.go", false},
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{"/foo/bar/test.*", "bar/baz/test.go", false},
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{"/x/y/bar/baz/test.*", "bar/baz/test.go", false},
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{"/x/y/bar/baz/test.c", "bar/baz/test.go", false},
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{"baz/test.*", "bar/baz/test.go", true},
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{"baz/tesT.*", "bar/baz/test.go", false},
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{"test.go", "bar/baz/test.go", true},
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{"*.go", "bar/baz/test.go", true},
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{"*.c", "bar/baz/test.go", false},
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{"sdk", "/foo/bar/sdk", true},
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{"sdk", "/foo/bar/sdk/test/sdk_foo.go", true},
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{
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"sdk/*/cpp/*/*vars*.html",
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"/usr/share/doc/libreoffice/sdk/docs/cpp/ref/a00517.html",
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false,
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},
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{"foo/**/bar/*.go", "/home/user/foo/work/special/project/bar/test.go", true},
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{"foo/**/bar/*.go", "/home/user/foo/bar/test.go", true},
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{"foo/**/bar/*.go", "x/foo/bar/test.go", true},
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{"foo/**/bar/*.go", "foo/bar/test.go", true},
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{"foo/**/bar/*.go", "/home/user/foo/test.c", false},
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{"foo/**/bar/*.go", "bar/foo/main.go", false},
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{"foo/**/bar/*.go", "/foo/bar/main.go", true},
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{"foo/**/bar/*.go", "bar/main.go", false},
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{"foo/**/bar", "/home/user/foo/x/y/bar", true},
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{"foo/**/bar", "/home/user/foo/x/y/bar/main.go", true},
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{"user/**/important*", "/home/user/work/x/y/hidden/x", false},
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{"user/**/hidden*/**/c", "/home/user/work/x/y/hidden/z/a/b/c", true},
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{"c:/foo/*test.*", "c:/foo/bar/test.go", false},
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{"c:/foo/*/test.*", "c:/foo/bar/test.go", true},
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{"c:/foo/*/bar/test.*", "c:/foo/bar/test.go", false},
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}
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func testpattern(t *testing.T, pattern, path string, shouldMatch bool) {
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match, err := filter.Match(pattern, path)
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if err != nil {
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t.Errorf("test pattern %q failed: expected no error for path %q, but error returned: %v",
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pattern, path, err)
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}
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if match != shouldMatch {
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t.Errorf("test: filter.Match(%q, %q): expected %v, got %v",
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pattern, path, shouldMatch, match)
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}
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}
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func TestMatch(t *testing.T) {
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for _, test := range matchTests {
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testpattern(t, test.pattern, test.path, test.match)
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// Test with native path separator
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if filepath.Separator != '/' {
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// Test with pattern as native
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pattern := strings.Replace(test.pattern, "/", string(filepath.Separator), -1)
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testpattern(t, pattern, test.path, test.match)
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// Test with path as native
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path := strings.Replace(test.path, "/", string(filepath.Separator), -1)
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testpattern(t, test.pattern, path, test.match)
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// Test with both pattern and path as native
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testpattern(t, pattern, path, test.match)
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}
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}
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}
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func ExampleMatch() {
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match, _ := filter.Match("*.go", "/home/user/file.go")
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fmt.Printf("match: %v\n", match)
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// Output:
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// match: true
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}
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func ExampleMatch_wildcards() {
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match, _ := filter.Match("/home/[uU]ser/?.go", "/home/user/F.go")
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fmt.Printf("match: %v\n", match)
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// Output:
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// match: true
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}
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var filterListTests = []struct {
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patterns []string
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path string
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match bool
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}{
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{[]string{"*.go"}, "/foo/bar/test.go", true},
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{[]string{"*.c"}, "/foo/bar/test.go", false},
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{[]string{"*.go", "*.c"}, "/foo/bar/test.go", true},
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{[]string{"*"}, "/foo/bar/test.go", true},
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{[]string{"x"}, "/foo/bar/test.go", false},
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{[]string{"?"}, "/foo/bar/test.go", false},
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{[]string{"?", "x"}, "/foo/bar/x", true},
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{[]string{"/*/*/bar/test.*"}, "/foo/bar/test.go", false},
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{[]string{"/*/*/bar/test.*", "*.go"}, "/foo/bar/test.go", true},
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}
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func TestMatchList(t *testing.T) {
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for i, test := range filterListTests {
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match, err := filter.List(test.patterns, test.path)
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if err != nil {
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t.Errorf("test %d failed: expected no error for patterns %q, but error returned: %v",
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i, test.patterns, err)
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continue
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}
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if match != test.match {
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t.Errorf("test %d: filter.MatchList(%q, %q): expected %v, got %v",
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i, test.patterns, test.path, test.match, match)
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}
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}
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}
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func ExampleMatchList() {
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match, _ := filter.List([]string{"*.c", "*.go"}, "/home/user/file.go")
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fmt.Printf("match: %v\n", match)
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// Output:
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// match: true
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}
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func extractTestLines(t testing.TB) (lines []string) {
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f, err := os.Open("testdata/libreoffice.txt.bz2")
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if err != nil {
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t.Fatal(err)
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}
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defer func() {
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if err := f.Close(); err != nil {
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t.Fatal(err)
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}
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}()
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sc := bufio.NewScanner(bzip2.NewReader(f))
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for sc.Scan() {
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lines = append(lines, sc.Text())
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}
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return lines
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}
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func TestFilterPatternsFile(t *testing.T) {
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lines := extractTestLines(t)
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var testPatterns = []struct {
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pattern string
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hits uint
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}{
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{"*.html", 18249},
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{"sdk", 22186},
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{"sdk/*/cpp/*/*vars.html", 3},
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}
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for _, test := range testPatterns {
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var c uint
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for _, line := range lines {
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match, err := filter.Match(test.pattern, line)
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if err != nil {
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t.Error(err)
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continue
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}
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if match {
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c++
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// fmt.Printf("pattern %q, line %q\n", test.pattern, line)
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}
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}
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if c != test.hits {
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t.Errorf("wrong number of hits for pattern %q: want %d, got %d",
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test.pattern, test.hits, c)
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}
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}
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}
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func BenchmarkFilterLines(b *testing.B) {
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pattern := "sdk/*/cpp/*/*vars.html"
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lines := extractTestLines(b)
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var c uint
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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c = 0
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for _, line := range lines {
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match, err := filter.Match(pattern, line)
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if err != nil {
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b.Fatal(err)
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}
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if match {
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c++
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}
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}
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if c != 3 {
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b.Fatalf("wrong number of matches: expected 3, got %d", c)
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}
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}
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}
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func BenchmarkFilterPatterns(b *testing.B) {
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patterns := []string{
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"sdk/*",
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"*.html",
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}
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lines := extractTestLines(b)
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var c uint
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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c = 0
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for _, line := range lines {
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match, err := filter.List(patterns, line)
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if err != nil {
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b.Fatal(err)
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}
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if match {
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c++
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}
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}
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if c != 22185 {
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b.Fatalf("wrong number of matches: expected 22185, got %d", c)
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}
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}
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}
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