mirror of
https://github.com/octoleo/restic.git
synced 2024-11-22 04:45:15 +00:00
313 lines
8.7 KiB
Go
313 lines
8.7 KiB
Go
package main
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import (
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"os"
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"path/filepath"
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"testing"
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"github.com/restic/restic/internal/test"
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)
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func TestRejectByPattern(t *testing.T) {
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var tests = []struct {
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filename string
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reject bool
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}{
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{filename: "/home/user/foo.go", reject: true},
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{filename: "/home/user/foo.c", reject: false},
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{filename: "/home/user/foobar", reject: false},
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{filename: "/home/user/foobar/x", reject: true},
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{filename: "/home/user/README", reject: false},
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{filename: "/home/user/README.md", reject: true},
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}
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patterns := []string{"*.go", "README.md", "/home/user/foobar/*"}
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for _, tc := range tests {
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t.Run("", func(t *testing.T) {
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reject := rejectByPattern(patterns)
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res := reject(tc.filename)
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if res != tc.reject {
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t.Fatalf("wrong result for filename %v: want %v, got %v",
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tc.filename, tc.reject, res)
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}
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})
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}
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}
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func TestRejectByInsensitivePattern(t *testing.T) {
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var tests = []struct {
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filename string
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reject bool
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}{
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{filename: "/home/user/foo.GO", reject: true},
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{filename: "/home/user/foo.c", reject: false},
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{filename: "/home/user/foobar", reject: false},
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{filename: "/home/user/FOObar/x", reject: true},
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{filename: "/home/user/README", reject: false},
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{filename: "/home/user/readme.md", reject: true},
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}
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patterns := []string{"*.go", "README.md", "/home/user/foobar/*"}
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for _, tc := range tests {
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t.Run("", func(t *testing.T) {
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reject := rejectByInsensitivePattern(patterns)
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res := reject(tc.filename)
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if res != tc.reject {
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t.Fatalf("wrong result for filename %v: want %v, got %v",
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tc.filename, tc.reject, res)
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}
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})
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}
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}
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func TestIsExcludedByFile(t *testing.T) {
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const (
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tagFilename = "CACHEDIR.TAG"
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header = "Signature: 8a477f597d28d172789f06886806bc55"
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)
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tests := []struct {
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name string
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tagFile string
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content string
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want bool
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}{
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{"NoTagfile", "", "", false},
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{"EmptyTagfile", tagFilename, "", true},
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{"UnnamedTagFile", "", header, false},
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{"WrongTagFile", "notatagfile", header, false},
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{"IncorrectSig", tagFilename, header[1:], false},
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{"ValidSig", tagFilename, header, true},
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{"ValidPlusStuff", tagFilename, header + "foo", true},
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{"ValidPlusNewlineAndStuff", tagFilename, header + "\nbar", true},
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}
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for _, tc := range tests {
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t.Run(tc.name, func(t *testing.T) {
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tempDir := test.TempDir(t)
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foo := filepath.Join(tempDir, "foo")
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err := os.WriteFile(foo, []byte("foo"), 0666)
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if err != nil {
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t.Fatalf("could not write file: %v", err)
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}
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if tc.tagFile != "" {
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tagFile := filepath.Join(tempDir, tc.tagFile)
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err = os.WriteFile(tagFile, []byte(tc.content), 0666)
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if err != nil {
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t.Fatalf("could not write tagfile: %v", err)
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}
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}
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h := header
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if tc.content == "" {
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h = ""
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}
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if got := isExcludedByFile(foo, tagFilename, h, nil); tc.want != got {
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t.Fatalf("expected %v, got %v", tc.want, got)
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}
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})
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}
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}
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// TestMultipleIsExcludedByFile is for testing that multiple instances of
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// the --exclude-if-present parameter (or the shortcut --exclude-caches do not
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// cancel each other out. It was initially written to demonstrate a bug in
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// rejectIfPresent.
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func TestMultipleIsExcludedByFile(t *testing.T) {
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tempDir := test.TempDir(t)
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// Create some files in a temporary directory.
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// Files in UPPERCASE will be used as exclusion triggers later on.
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// We will test the inclusion later, so we add the expected value as
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// a bool.
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files := []struct {
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path string
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incl bool
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}{
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{"42", true},
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// everything in foodir except the NOFOO tagfile
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// should not be included.
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{"foodir/NOFOO", true},
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{"foodir/foo", false},
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{"foodir/foosub/underfoo", false},
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// everything in bardir except the NOBAR tagfile
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// should not be included.
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{"bardir/NOBAR", true},
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{"bardir/bar", false},
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{"bardir/barsub/underbar", false},
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// everything in bazdir should be included.
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{"bazdir/baz", true},
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{"bazdir/bazsub/underbaz", true},
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}
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var errs []error
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for _, f := range files {
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// create directories first, then the file
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p := filepath.Join(tempDir, filepath.FromSlash(f.path))
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errs = append(errs, os.MkdirAll(filepath.Dir(p), 0700))
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errs = append(errs, os.WriteFile(p, []byte(f.path), 0600))
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}
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test.OKs(t, errs) // see if anything went wrong during the creation
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// create two rejection functions, one that tests for the NOFOO file
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// and one for the NOBAR file
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fooExclude, _ := rejectIfPresent("NOFOO")
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barExclude, _ := rejectIfPresent("NOBAR")
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// To mock the archiver scanning walk, we create filepath.WalkFn
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// that tests against the two rejection functions and stores
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// the result in a map against we can test later.
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m := make(map[string]bool)
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walk := func(p string, fi os.FileInfo, err error) error {
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if err != nil {
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return err
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}
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excludedByFoo := fooExclude(p)
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excludedByBar := barExclude(p)
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excluded := excludedByFoo || excludedByBar
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// the log message helps debugging in case the test fails
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t.Logf("%q: %v || %v = %v", p, excludedByFoo, excludedByBar, excluded)
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m[p] = !excluded
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if excluded {
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return filepath.SkipDir
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}
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return nil
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}
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// walk through the temporary file and check the error
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test.OK(t, filepath.Walk(tempDir, walk))
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// compare whether the walk gave the expected values for the test cases
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for _, f := range files {
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p := filepath.Join(tempDir, filepath.FromSlash(f.path))
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if m[p] != f.incl {
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t.Errorf("inclusion status of %s is wrong: want %v, got %v", f.path, f.incl, m[p])
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}
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}
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}
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// TestIsExcludedByFileSize is for testing the instance of
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// --exclude-larger-than parameters
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func TestIsExcludedByFileSize(t *testing.T) {
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tempDir := test.TempDir(t)
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// Max size of file is set to be 1k
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maxSizeStr := "1k"
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// Create some files in a temporary directory.
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// Files in UPPERCASE will be used as exclusion triggers later on.
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// We will test the inclusion later, so we add the expected value as
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// a bool.
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files := []struct {
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path string
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size int64
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incl bool
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}{
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{"42", 100, true},
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// everything in foodir except the FOOLARGE tagfile
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// should not be included.
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{"foodir/FOOLARGE", 2048, false},
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{"foodir/foo", 1002, true},
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{"foodir/foosub/underfoo", 100, true},
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// everything in bardir except the BARLARGE tagfile
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// should not be included.
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{"bardir/BARLARGE", 1030, false},
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{"bardir/bar", 1000, true},
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{"bardir/barsub/underbar", 500, true},
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// everything in bazdir should be included.
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{"bazdir/baz", 100, true},
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{"bazdir/bazsub/underbaz", 200, true},
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}
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var errs []error
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for _, f := range files {
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// create directories first, then the file
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p := filepath.Join(tempDir, filepath.FromSlash(f.path))
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errs = append(errs, os.MkdirAll(filepath.Dir(p), 0700))
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file, err := os.OpenFile(p, os.O_RDWR|os.O_CREATE|os.O_TRUNC, 0600)
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errs = append(errs, err)
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if err == nil {
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// create a file with given size
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errs = append(errs, file.Truncate(f.size))
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}
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errs = append(errs, file.Close())
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}
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test.OKs(t, errs) // see if anything went wrong during the creation
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// create rejection function
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sizeExclude, _ := rejectBySize(maxSizeStr)
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// To mock the archiver scanning walk, we create filepath.WalkFn
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// that tests against the two rejection functions and stores
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// the result in a map against we can test later.
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m := make(map[string]bool)
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walk := func(p string, fi os.FileInfo, err error) error {
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if err != nil {
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return err
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}
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excluded := sizeExclude(p, fi)
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// the log message helps debugging in case the test fails
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t.Logf("%q: dir:%t; size:%d; excluded:%v", p, fi.IsDir(), fi.Size(), excluded)
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m[p] = !excluded
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return nil
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}
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// walk through the temporary file and check the error
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test.OK(t, filepath.Walk(tempDir, walk))
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// compare whether the walk gave the expected values for the test cases
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for _, f := range files {
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p := filepath.Join(tempDir, filepath.FromSlash(f.path))
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if m[p] != f.incl {
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t.Errorf("inclusion status of %s is wrong: want %v, got %v", f.path, f.incl, m[p])
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}
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}
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}
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func TestDeviceMap(t *testing.T) {
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deviceMap := DeviceMap{
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filepath.FromSlash("/"): 1,
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filepath.FromSlash("/usr/local"): 5,
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}
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var tests = []struct {
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item string
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deviceID uint64
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allowed bool
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}{
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{"/root", 1, true},
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{"/usr", 1, true},
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{"/proc", 2, false},
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{"/proc/1234", 2, false},
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{"/usr", 3, false},
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{"/usr/share", 3, false},
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{"/usr/local", 5, true},
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{"/usr/local/foobar", 5, true},
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{"/usr/local/foobar/submount", 23, false},
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{"/usr/local/foobar/submount/file", 23, false},
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{"/usr/local/foobar/outhersubmount", 1, false},
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{"/usr/local/foobar/outhersubmount/otherfile", 1, false},
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}
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for _, test := range tests {
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t.Run("", func(t *testing.T) {
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res, err := deviceMap.IsAllowed(filepath.FromSlash(test.item), test.deviceID)
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if err != nil {
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t.Fatal(err)
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}
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if res != test.allowed {
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t.Fatalf("wrong result returned by IsAllowed(%v): want %v, got %v", test.item, test.allowed, res)
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}
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})
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}
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}
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