moby--moby/pkg/fileutils/fileutils_test.go

769 lines
23 KiB
Go
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

package fileutils // import "github.com/docker/docker/pkg/fileutils"
import (
"fmt"
"os"
"path"
"path/filepath"
"runtime"
"strings"
"testing"
"gotest.tools/v3/assert"
is "gotest.tools/v3/assert/cmp"
)
// CopyFile with invalid src
func TestCopyFileWithInvalidSrc(t *testing.T) {
tempFolder, err := os.MkdirTemp("", "docker-fileutils-test") // #nosec G303
defer os.RemoveAll(tempFolder)
if err != nil {
t.Fatal(err)
}
bytes, err := CopyFile("/invalid/file/path", path.Join(tempFolder, "dest"))
if err == nil {
t.Fatal("Should have fail to copy an invalid src file")
}
if bytes != 0 {
t.Fatal("Should have written 0 bytes")
}
}
// CopyFile with invalid dest
func TestCopyFileWithInvalidDest(t *testing.T) {
tempFolder, err := os.MkdirTemp("", "docker-fileutils-test")
defer os.RemoveAll(tempFolder)
if err != nil {
t.Fatal(err)
}
src := path.Join(tempFolder, "file")
err = os.WriteFile(src, []byte("content"), 0740)
if err != nil {
t.Fatal(err)
}
bytes, err := CopyFile(src, path.Join(tempFolder, "/invalid/dest/path"))
if err == nil {
t.Fatal("Should have fail to copy an invalid src file")
}
if bytes != 0 {
t.Fatal("Should have written 0 bytes")
}
}
// CopyFile with same src and dest
func TestCopyFileWithSameSrcAndDest(t *testing.T) {
tempFolder, err := os.MkdirTemp("", "docker-fileutils-test")
defer os.RemoveAll(tempFolder)
if err != nil {
t.Fatal(err)
}
file := path.Join(tempFolder, "file")
err = os.WriteFile(file, []byte("content"), 0740)
if err != nil {
t.Fatal(err)
}
bytes, err := CopyFile(file, file)
if err != nil {
t.Fatal(err)
}
if bytes != 0 {
t.Fatal("Should have written 0 bytes as it is the same file.")
}
}
// CopyFile with same src and dest but path is different and not clean
func TestCopyFileWithSameSrcAndDestWithPathNameDifferent(t *testing.T) {
tempFolder, err := os.MkdirTemp("", "docker-fileutils-test")
defer os.RemoveAll(tempFolder)
if err != nil {
t.Fatal(err)
}
testFolder := path.Join(tempFolder, "test")
err = os.MkdirAll(testFolder, 0740)
if err != nil {
t.Fatal(err)
}
file := path.Join(testFolder, "file")
sameFile := testFolder + "/../test/file"
err = os.WriteFile(file, []byte("content"), 0740)
if err != nil {
t.Fatal(err)
}
bytes, err := CopyFile(file, sameFile)
if err != nil {
t.Fatal(err)
}
if bytes != 0 {
t.Fatal("Should have written 0 bytes as it is the same file.")
}
}
func TestCopyFile(t *testing.T) {
tempFolder, err := os.MkdirTemp("", "docker-fileutils-test")
defer os.RemoveAll(tempFolder)
if err != nil {
t.Fatal(err)
}
src := path.Join(tempFolder, "src")
dest := path.Join(tempFolder, "dest")
os.WriteFile(src, []byte("content"), 0777)
os.WriteFile(dest, []byte("destContent"), 0777)
bytes, err := CopyFile(src, dest)
if err != nil {
t.Fatal(err)
}
if bytes != 7 {
t.Fatalf("Should have written %d bytes but wrote %d", 7, bytes)
}
actual, err := os.ReadFile(dest)
if err != nil {
t.Fatal(err)
}
if string(actual) != "content" {
t.Fatalf("Dest content was '%s', expected '%s'", string(actual), "content")
}
}
// Reading a symlink to a directory must return the directory
func TestReadSymlinkedDirectoryExistingDirectory(t *testing.T) {
// TODO Windows: Port this test
if runtime.GOOS == "windows" {
t.Skip("Needs porting to Windows")
}
var err error
if err = os.Mkdir("/tmp/testReadSymlinkToExistingDirectory", 0777); err != nil {
t.Errorf("failed to create directory: %s", err)
}
if err = os.Symlink("/tmp/testReadSymlinkToExistingDirectory", "/tmp/dirLinkTest"); err != nil {
t.Errorf("failed to create symlink: %s", err)
}
var path string
if path, err = ReadSymlinkedDirectory("/tmp/dirLinkTest"); err != nil {
t.Fatalf("failed to read symlink to directory: %s", err)
}
if path != "/tmp/testReadSymlinkToExistingDirectory" {
t.Fatalf("symlink returned unexpected directory: %s", path)
}
if err = os.Remove("/tmp/testReadSymlinkToExistingDirectory"); err != nil {
t.Errorf("failed to remove temporary directory: %s", err)
}
if err = os.Remove("/tmp/dirLinkTest"); err != nil {
t.Errorf("failed to remove symlink: %s", err)
}
}
// Reading a non-existing symlink must fail
func TestReadSymlinkedDirectoryNonExistingSymlink(t *testing.T) {
var path string
var err error
if path, err = ReadSymlinkedDirectory("/tmp/test/foo/Non/ExistingPath"); err == nil {
t.Fatalf("error expected for non-existing symlink")
}
if path != "" {
t.Fatalf("expected empty path, but '%s' was returned", path)
}
}
// Reading a symlink to a file must fail
func TestReadSymlinkedDirectoryToFile(t *testing.T) {
// TODO Windows: Port this test
if runtime.GOOS == "windows" {
t.Skip("Needs porting to Windows")
}
var err error
var file *os.File
// #nosec G303
if file, err = os.Create("/tmp/testReadSymlinkToFile"); err != nil {
t.Fatalf("failed to create file: %s", err)
}
file.Close()
if err = os.Symlink("/tmp/testReadSymlinkToFile", "/tmp/fileLinkTest"); err != nil {
t.Errorf("failed to create symlink: %s", err)
}
var path string
if path, err = ReadSymlinkedDirectory("/tmp/fileLinkTest"); err == nil {
t.Fatalf("ReadSymlinkedDirectory on a symlink to a file should've failed")
}
if path != "" {
t.Fatalf("path should've been empty: %s", path)
}
if err = os.Remove("/tmp/testReadSymlinkToFile"); err != nil {
t.Errorf("failed to remove file: %s", err)
}
if err = os.Remove("/tmp/fileLinkTest"); err != nil {
t.Errorf("failed to remove symlink: %s", err)
}
}
func TestWildcardMatches(t *testing.T) {
match, _ := Matches("fileutils.go", []string{"*"})
if !match {
t.Errorf("failed to get a wildcard match, got %v", match)
}
}
// A simple pattern match should return true.
func TestPatternMatches(t *testing.T) {
match, _ := Matches("fileutils.go", []string{"*.go"})
if !match {
t.Errorf("failed to get a match, got %v", match)
}
}
// An exclusion followed by an inclusion should return true.
func TestExclusionPatternMatchesPatternBefore(t *testing.T) {
match, _ := Matches("fileutils.go", []string{"!fileutils.go", "*.go"})
if !match {
t.Errorf("failed to get true match on exclusion pattern, got %v", match)
}
}
// A folder pattern followed by an exception should return false.
func TestPatternMatchesFolderExclusions(t *testing.T) {
match, _ := Matches("docs/README.md", []string{"docs", "!docs/README.md"})
if match {
t.Errorf("failed to get a false match on exclusion pattern, got %v", match)
}
}
// A folder pattern followed by an exception should return false.
func TestPatternMatchesFolderWithSlashExclusions(t *testing.T) {
match, _ := Matches("docs/README.md", []string{"docs/", "!docs/README.md"})
if match {
t.Errorf("failed to get a false match on exclusion pattern, got %v", match)
}
}
// A folder pattern followed by an exception should return false.
func TestPatternMatchesFolderWildcardExclusions(t *testing.T) {
match, _ := Matches("docs/README.md", []string{"docs/*", "!docs/README.md"})
if match {
t.Errorf("failed to get a false match on exclusion pattern, got %v", match)
}
}
// A pattern followed by an exclusion should return false.
func TestExclusionPatternMatchesPatternAfter(t *testing.T) {
match, _ := Matches("fileutils.go", []string{"*.go", "!fileutils.go"})
if match {
t.Errorf("failed to get false match on exclusion pattern, got %v", match)
}
}
// A filename evaluating to . should return false.
func TestExclusionPatternMatchesWholeDirectory(t *testing.T) {
match, _ := Matches(".", []string{"*.go"})
if match {
t.Errorf("failed to get false match on ., got %v", match)
}
}
// A single ! pattern should return an error.
func TestSingleExclamationError(t *testing.T) {
_, err := Matches("fileutils.go", []string{"!"})
if err == nil {
t.Errorf("failed to get an error for a single exclamation point, got %v", err)
}
}
// Matches with no patterns
func TestMatchesWithNoPatterns(t *testing.T) {
matches, err := Matches("/any/path/there", []string{})
if err != nil {
t.Fatal(err)
}
if matches {
t.Fatalf("Should not have match anything")
}
}
// Matches with malformed patterns
func TestMatchesWithMalformedPatterns(t *testing.T) {
matches, err := Matches("/any/path/there", []string{"["})
if err == nil {
t.Fatal("Should have failed because of a malformed syntax in the pattern")
}
if matches {
t.Fatalf("Should not have match anything")
}
}
type matchesTestCase struct {
pattern string
text string
pass bool
}
type multiPatternTestCase struct {
patterns []string
text string
pass bool
}
func TestMatches(t *testing.T) {
tests := []matchesTestCase{
{"**", "file", true},
{"**", "file/", true},
{"**/", "file", true}, // weird one
{"**/", "file/", true},
{"**", "/", true},
{"**/", "/", true},
{"**", "dir/file", true},
{"**/", "dir/file", true},
{"**", "dir/file/", true},
{"**/", "dir/file/", true},
{"**/**", "dir/file", true},
{"**/**", "dir/file/", true},
{"dir/**", "dir/file", true},
{"dir/**", "dir/file/", true},
{"dir/**", "dir/dir2/file", true},
{"dir/**", "dir/dir2/file/", true},
{"**/dir", "dir", true},
{"**/dir", "dir/file", true},
{"**/dir2/*", "dir/dir2/file", true},
{"**/dir2/*", "dir/dir2/file/", true},
{"**/dir2/**", "dir/dir2/dir3/file", true},
{"**/dir2/**", "dir/dir2/dir3/file/", true},
{"**file", "file", true},
{"**file", "dir/file", true},
{"**/file", "dir/file", true},
{"**file", "dir/dir/file", true},
{"**/file", "dir/dir/file", true},
{"**/file*", "dir/dir/file", true},
{"**/file*", "dir/dir/file.txt", true},
{"**/file*txt", "dir/dir/file.txt", true},
{"**/file*.txt", "dir/dir/file.txt", true},
{"**/file*.txt*", "dir/dir/file.txt", true},
{"**/**/*.txt", "dir/dir/file.txt", true},
{"**/**/*.txt2", "dir/dir/file.txt", false},
{"**/*.txt", "file.txt", true},
{"**/**/*.txt", "file.txt", true},
{"a**/*.txt", "a/file.txt", true},
{"a**/*.txt", "a/dir/file.txt", true},
{"a**/*.txt", "a/dir/dir/file.txt", true},
{"a/*.txt", "a/dir/file.txt", false},
{"a/*.txt", "a/file.txt", true},
{"a/*.txt**", "a/file.txt", true},
{"a[b-d]e", "ae", false},
{"a[b-d]e", "ace", true},
{"a[b-d]e", "aae", false},
{"a[^b-d]e", "aze", true},
{".*", ".foo", true},
{".*", "foo", false},
{"abc.def", "abcdef", false},
{"abc.def", "abc.def", true},
{"abc.def", "abcZdef", false},
{"abc?def", "abcZdef", true},
{"abc?def", "abcdef", false},
{"a\\\\", "a\\", true},
{"**/foo/bar", "foo/bar", true},
{"**/foo/bar", "dir/foo/bar", true},
{"**/foo/bar", "dir/dir2/foo/bar", true},
{"abc/**", "abc", false},
{"abc/**", "abc/def", true},
{"abc/**", "abc/def/ghi", true},
{"**/.foo", ".foo", true},
{"**/.foo", "bar.foo", false},
{"a(b)c/def", "a(b)c/def", true},
{"a(b)c/def", "a(b)c/xyz", false},
{"a.|)$(}+{bc", "a.|)$(}+{bc", true},
{"dist/proxy.py-2.4.0rc3.dev36+g08acad9-py3-none-any.whl", "dist/proxy.py-2.4.0rc3.dev36+g08acad9-py3-none-any.whl", true},
{"dist/*.whl", "dist/proxy.py-2.4.0rc3.dev36+g08acad9-py3-none-any.whl", true},
}
multiPatternTests := []multiPatternTestCase{
{[]string{"**", "!util/docker/web"}, "util/docker/web/foo", false},
{[]string{"**", "!util/docker/web", "util/docker/web/foo"}, "util/docker/web/foo", true},
{[]string{"**", "!dist/proxy.py-2.4.0rc3.dev36+g08acad9-py3-none-any.whl"}, "dist/proxy.py-2.4.0rc3.dev36+g08acad9-py3-none-any.whl", false},
{[]string{"**", "!dist/*.whl"}, "dist/proxy.py-2.4.0rc3.dev36+g08acad9-py3-none-any.whl", false},
}
if runtime.GOOS != "windows" {
tests = append(tests, []matchesTestCase{
{"a\\*b", "a*b", true},
}...)
}
t.Run("MatchesOrParentMatches", func(t *testing.T) {
for _, test := range tests {
desc := fmt.Sprintf("pattern=%q text=%q", test.pattern, test.text)
pm, err := NewPatternMatcher([]string{test.pattern})
assert.NilError(t, err, desc)
res, _ := pm.MatchesOrParentMatches(test.text)
assert.Check(t, is.Equal(test.pass, res), desc)
}
for _, test := range multiPatternTests {
desc := fmt.Sprintf("patterns=%q text=%q", test.patterns, test.text)
pm, err := NewPatternMatcher(test.patterns)
assert.NilError(t, err, desc)
res, _ := pm.MatchesOrParentMatches(test.text)
assert.Check(t, is.Equal(test.pass, res), desc)
}
})
t.Run("MatchesUsingParentResult", func(t *testing.T) {
for _, test := range tests {
desc := fmt.Sprintf("pattern=%q text=%q", test.pattern, test.text)
pm, err := NewPatternMatcher([]string{test.pattern})
assert.NilError(t, err, desc)
parentPath := filepath.Dir(filepath.FromSlash(test.text))
parentPathDirs := strings.Split(parentPath, string(os.PathSeparator))
parentMatched := false
if parentPath != "." {
for i := range parentPathDirs {
parentMatched, _ = pm.MatchesUsingParentResult(strings.Join(parentPathDirs[:i+1], "/"), parentMatched)
}
}
res, _ := pm.MatchesUsingParentResult(test.text, parentMatched)
assert.Check(t, is.Equal(test.pass, res), desc)
}
})
t.Run("MatchesUsingParentResults", func(t *testing.T) {
check := func(pm *PatternMatcher, text string, pass bool, desc string) {
parentPath := filepath.Dir(filepath.FromSlash(text))
parentPathDirs := strings.Split(parentPath, string(os.PathSeparator))
parentMatchInfo := MatchInfo{}
if parentPath != "." {
for i := range parentPathDirs {
_, parentMatchInfo, _ = pm.MatchesUsingParentResults(strings.Join(parentPathDirs[:i+1], "/"), parentMatchInfo)
}
}
res, _, _ := pm.MatchesUsingParentResults(text, parentMatchInfo)
assert.Check(t, is.Equal(pass, res), desc)
}
for _, test := range tests {
desc := fmt.Sprintf("pattern=%q text=%q", test.pattern, test.text)
pm, err := NewPatternMatcher([]string{test.pattern})
assert.NilError(t, err, desc)
check(pm, test.text, test.pass, desc)
}
for _, test := range multiPatternTests {
desc := fmt.Sprintf("pattern=%q text=%q", test.patterns, test.text)
pm, err := NewPatternMatcher(test.patterns)
assert.NilError(t, err, desc)
check(pm, test.text, test.pass, desc)
}
})
t.Run("MatchesUsingParentResultsNoContext", func(t *testing.T) {
check := func(pm *PatternMatcher, text string, pass bool, desc string) {
res, _, _ := pm.MatchesUsingParentResults(text, MatchInfo{})
assert.Check(t, is.Equal(pass, res), desc)
}
for _, test := range tests {
desc := fmt.Sprintf("pattern=%q text=%q", test.pattern, test.text)
pm, err := NewPatternMatcher([]string{test.pattern})
assert.NilError(t, err, desc)
check(pm, test.text, test.pass, desc)
}
for _, test := range multiPatternTests {
desc := fmt.Sprintf("pattern=%q text=%q", test.patterns, test.text)
pm, err := NewPatternMatcher(test.patterns)
assert.NilError(t, err, desc)
check(pm, test.text, test.pass, desc)
}
})
}
func TestCleanPatterns(t *testing.T) {
patterns := []string{"docs", "config"}
pm, err := NewPatternMatcher(patterns)
if err != nil {
t.Fatalf("invalid pattern %v", patterns)
}
cleaned := pm.Patterns()
if len(cleaned) != 2 {
t.Errorf("expected 2 element slice, got %v", len(cleaned))
}
}
func TestCleanPatternsStripEmptyPatterns(t *testing.T) {
patterns := []string{"docs", "config", ""}
pm, err := NewPatternMatcher(patterns)
if err != nil {
t.Fatalf("invalid pattern %v", patterns)
}
cleaned := pm.Patterns()
if len(cleaned) != 2 {
t.Errorf("expected 2 element slice, got %v", len(cleaned))
}
}
func TestCleanPatternsExceptionFlag(t *testing.T) {
patterns := []string{"docs", "!docs/README.md"}
pm, err := NewPatternMatcher(patterns)
if err != nil {
t.Fatalf("invalid pattern %v", patterns)
}
if !pm.Exclusions() {
t.Errorf("expected exceptions to be true, got %v", pm.Exclusions())
}
}
func TestCleanPatternsLeadingSpaceTrimmed(t *testing.T) {
patterns := []string{"docs", " !docs/README.md"}
pm, err := NewPatternMatcher(patterns)
if err != nil {
t.Fatalf("invalid pattern %v", patterns)
}
if !pm.Exclusions() {
t.Errorf("expected exceptions to be true, got %v", pm.Exclusions())
}
}
func TestCleanPatternsTrailingSpaceTrimmed(t *testing.T) {
patterns := []string{"docs", "!docs/README.md "}
pm, err := NewPatternMatcher(patterns)
if err != nil {
t.Fatalf("invalid pattern %v", patterns)
}
if !pm.Exclusions() {
t.Errorf("expected exceptions to be true, got %v", pm.Exclusions())
}
}
func TestCleanPatternsErrorSingleException(t *testing.T) {
patterns := []string{"!"}
_, err := NewPatternMatcher(patterns)
if err == nil {
t.Errorf("expected error on single exclamation point, got %v", err)
}
}
func TestCreateIfNotExistsDir(t *testing.T) {
tempFolder, err := os.MkdirTemp("", "docker-fileutils-test")
if err != nil {
t.Fatal(err)
}
defer os.RemoveAll(tempFolder)
folderToCreate := filepath.Join(tempFolder, "tocreate")
if err := CreateIfNotExists(folderToCreate, true); err != nil {
t.Fatal(err)
}
fileinfo, err := os.Stat(folderToCreate)
if err != nil {
t.Fatalf("Should have create a folder, got %v", err)
}
if !fileinfo.IsDir() {
t.Fatalf("Should have been a dir, seems it's not")
}
}
func TestCreateIfNotExistsFile(t *testing.T) {
tempFolder, err := os.MkdirTemp("", "docker-fileutils-test")
if err != nil {
t.Fatal(err)
}
defer os.RemoveAll(tempFolder)
fileToCreate := filepath.Join(tempFolder, "file/to/create")
if err := CreateIfNotExists(fileToCreate, false); err != nil {
t.Fatal(err)
}
fileinfo, err := os.Stat(fileToCreate)
if err != nil {
t.Fatalf("Should have create a file, got %v", err)
}
if fileinfo.IsDir() {
t.Fatalf("Should have been a file, seems it's not")
}
}
// These matchTests are stolen from go's filepath Match tests.
type matchTest struct {
pattern, s string
match bool
err error
}
var matchTests = []matchTest{
{"abc", "abc", true, nil},
{"*", "abc", true, nil},
{"*c", "abc", true, nil},
{"a*", "a", true, nil},
{"a*", "abc", true, nil},
{"a*", "ab/c", true, nil},
{"a*/b", "abc/b", true, nil},
{"a*/b", "a/c/b", false, nil},
{"a*b*c*d*e*/f", "axbxcxdxe/f", true, nil},
{"a*b*c*d*e*/f", "axbxcxdxexxx/f", true, nil},
{"a*b*c*d*e*/f", "axbxcxdxe/xxx/f", false, nil},
{"a*b*c*d*e*/f", "axbxcxdxexxx/fff", false, nil},
{"a*b?c*x", "abxbbxdbxebxczzx", true, nil},
{"a*b?c*x", "abxbbxdbxebxczzy", false, nil},
{"ab[c]", "abc", true, nil},
{"ab[b-d]", "abc", true, nil},
{"ab[e-g]", "abc", false, nil},
{"ab[^c]", "abc", false, nil},
{"ab[^b-d]", "abc", false, nil},
{"ab[^e-g]", "abc", true, nil},
{"a\\*b", "a*b", true, nil},
{"a\\*b", "ab", false, nil},
{"a?b", "a☺b", true, nil},
{"a[^a]b", "a☺b", true, nil},
{"a???b", "a☺b", false, nil},
{"a[^a][^a][^a]b", "a☺b", false, nil},
{"[a-ζ]*", "α", true, nil},
{"*[a-ζ]", "A", false, nil},
{"a?b", "a/b", false, nil},
{"a*b", "a/b", false, nil},
{"[\\]a]", "]", true, nil},
{"[\\-]", "-", true, nil},
{"[x\\-]", "x", true, nil},
{"[x\\-]", "-", true, nil},
{"[x\\-]", "z", false, nil},
{"[\\-x]", "x", true, nil},
{"[\\-x]", "-", true, nil},
{"[\\-x]", "a", false, nil},
{"[]a]", "]", false, filepath.ErrBadPattern},
{"[-]", "-", false, filepath.ErrBadPattern},
{"[x-]", "x", false, filepath.ErrBadPattern},
{"[x-]", "-", false, filepath.ErrBadPattern},
{"[x-]", "z", false, filepath.ErrBadPattern},
{"[-x]", "x", false, filepath.ErrBadPattern},
{"[-x]", "-", false, filepath.ErrBadPattern},
{"[-x]", "a", false, filepath.ErrBadPattern},
{"\\", "a", false, filepath.ErrBadPattern},
{"[a-b-c]", "a", false, filepath.ErrBadPattern},
{"[", "a", false, filepath.ErrBadPattern},
{"[^", "a", false, filepath.ErrBadPattern},
{"[^bc", "a", false, filepath.ErrBadPattern},
{"a[", "a", false, filepath.ErrBadPattern}, // was nil but IMO its wrong
{"a[", "ab", false, filepath.ErrBadPattern},
{"*x", "xxx", true, nil},
}
func errp(e error) string {
if e == nil {
return "<nil>"
}
return e.Error()
}
// TestMatch tests our version of filepath.Match, called Matches.
func TestMatch(t *testing.T) {
for _, tt := range matchTests {
pattern := tt.pattern
s := tt.s
if runtime.GOOS == "windows" {
if strings.Contains(pattern, "\\") {
// no escape allowed on windows.
continue
}
pattern = filepath.Clean(pattern)
s = filepath.Clean(s)
}
ok, err := Matches(s, []string{pattern})
if ok != tt.match || err != tt.err {
t.Fatalf("Match(%#q, %#q) = %v, %q want %v, %q", pattern, s, ok, errp(err), tt.match, errp(tt.err))
}
}
}
type compileTestCase struct {
pattern string
matchType matchType
compiledRegexp string
windowsCompiledRegexp string
}
var compileTests = []compileTestCase{
{"*", regexpMatch, `^[^/]*$`, `^[^\\]*$`},
{"file*", regexpMatch, `^file[^/]*$`, `^file[^\\]*$`},
{"*file", regexpMatch, `^[^/]*file$`, `^[^\\]*file$`},
{"a*/b", regexpMatch, `^a[^/]*/b$`, `^a[^\\]*\\b$`},
{"**", suffixMatch, "", ""},
{"**/**", regexpMatch, `^(.*/)?.*$`, `^(.*\\)?.*$`},
{"dir/**", prefixMatch, "", ""},
{"**/dir", suffixMatch, "", ""},
{"**/dir2/*", regexpMatch, `^(.*/)?dir2/[^/]*$`, `^(.*\\)?dir2\\[^\\]*$`},
{"**/dir2/**", regexpMatch, `^(.*/)?dir2/.*$`, `^(.*\\)?dir2\\.*$`},
{"**file", suffixMatch, "", ""},
{"**/file*txt", regexpMatch, `^(.*/)?file[^/]*txt$`, `^(.*\\)?file[^\\]*txt$`},
{"**/**/*.txt", regexpMatch, `^(.*/)?(.*/)?[^/]*\.txt$`, `^(.*\\)?(.*\\)?[^\\]*\.txt$`},
{"a[b-d]e", regexpMatch, `^a[b-d]e$`, `^a[b-d]e$`},
{".*", regexpMatch, `^\.[^/]*$`, `^\.[^\\]*$`},
{"abc.def", exactMatch, "", ""},
{"abc?def", regexpMatch, `^abc[^/]def$`, `^abc[^\\]def$`},
{"**/foo/bar", suffixMatch, "", ""},
{"a(b)c/def", exactMatch, "", ""},
{"a.|)$(}+{bc", exactMatch, "", ""},
{"dist/proxy.py-2.4.0rc3.dev36+g08acad9-py3-none-any.whl", exactMatch, "", ""},
}
// TestCompile confirms that "compile" assigns the correct match type to a
// variety of test case patterns. If the match type is regexp, it also confirms
// that the compiled regexp matches the expected regexp.
func TestCompile(t *testing.T) {
t.Run("slash", testCompile("/"))
t.Run("backslash", testCompile(`\`))
}
func testCompile(sl string) func(*testing.T) {
return func(t *testing.T) {
for _, tt := range compileTests {
// Avoid NewPatternMatcher, which has platform-specific behavior
pm := &PatternMatcher{
patterns: make([]*Pattern, 1),
}
pattern := path.Clean(tt.pattern)
if sl != "/" {
pattern = strings.ReplaceAll(pattern, "/", sl)
}
newp := &Pattern{}
newp.cleanedPattern = pattern
newp.dirs = strings.Split(pattern, sl)
pm.patterns[0] = newp
if err := pm.patterns[0].compile(sl); err != nil {
t.Fatalf("Failed to compile pattern %q: %v", pattern, err)
}
if pm.patterns[0].matchType != tt.matchType {
t.Errorf("pattern %q: matchType = %v, want %v", pattern, pm.patterns[0].matchType, tt.matchType)
continue
}
if tt.matchType == regexpMatch {
if sl == `\` {
if pm.patterns[0].regexp.String() != tt.windowsCompiledRegexp {
t.Errorf("pattern %q: regexp = %s, want %s", pattern, pm.patterns[0].regexp, tt.windowsCompiledRegexp)
}
} else if pm.patterns[0].regexp.String() != tt.compiledRegexp {
t.Errorf("pattern %q: regexp = %s, want %s", pattern, pm.patterns[0].regexp, tt.compiledRegexp)
}
}
}
}
}