152 lines
3.4 KiB
Go
152 lines
3.4 KiB
Go
// Copyright (C) 2018 The Syncthing Authors.
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//
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// This Source Code Form is subject to the terms of the Mozilla Public
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// License, v. 2.0. If a copy of the MPL was not distributed with this file,
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// You can obtain one at https://mozilla.org/MPL/2.0/.
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package model
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import (
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"path/filepath"
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"testing"
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"github.com/d4l3k/messagediff"
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"github.com/syncthing/syncthing/lib/build"
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"github.com/syncthing/syncthing/lib/config"
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)
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type unifySubsCase struct {
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in []string // input to unifySubs
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exists []string // paths that exist in the database
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out []string // expected output
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}
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func unifySubsCases() []unifySubsCase {
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cases := []unifySubsCase{
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{
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// 0. trailing slashes are cleaned, known paths are just passed on
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[]string{"foo/", "bar//"},
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[]string{"foo", "bar"},
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[]string{"bar", "foo"}, // the output is sorted
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},
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{
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// 1. "foo/bar" gets trimmed as it's covered by foo
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[]string{"foo", "bar/", "foo/bar/"},
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[]string{"foo", "bar"},
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[]string{"bar", "foo"},
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},
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{
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// 2. "" gets simplified to the empty list; ie scan all
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[]string{"foo", ""},
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[]string{"foo"},
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nil,
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},
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{
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// 3. "foo/bar" is unknown, but it's kept
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// because its parent is known
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[]string{"foo/bar"},
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[]string{"foo"},
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[]string{"foo/bar"},
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},
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{
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// 4. two independent known paths, both are kept
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// "usr/lib" is not a prefix of "usr/libexec"
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[]string{"usr/lib", "usr/libexec"},
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[]string{"usr", "usr/lib", "usr/libexec"},
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[]string{"usr/lib", "usr/libexec"},
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},
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{
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// 5. "usr/lib" is a prefix of "usr/lib/exec"
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[]string{"usr/lib", "usr/lib/exec"},
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[]string{"usr", "usr/lib", "usr/libexec"},
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[]string{"usr/lib"},
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},
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{
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// 6. .stignore and .stfolder are special and are passed on
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// verbatim even though they are unknown
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[]string{config.DefaultMarkerName, ".stignore"},
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[]string{},
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[]string{config.DefaultMarkerName, ".stignore"},
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},
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{
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// 7. but the presence of something else unknown forces an actual
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// scan
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[]string{config.DefaultMarkerName, ".stignore", "foo/bar"},
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[]string{},
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[]string{config.DefaultMarkerName, ".stignore", "foo"},
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},
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{
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// 8. explicit request to scan all
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nil,
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[]string{"foo"},
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nil,
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},
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{
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// 9. empty list of subs
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[]string{},
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[]string{"foo"},
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nil,
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},
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{
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// 10. absolute path
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[]string{"/foo"},
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[]string{"foo"},
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[]string{"foo"},
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},
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}
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if build.IsWindows {
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// Fixup path separators
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for i := range cases {
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for j, p := range cases[i].in {
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cases[i].in[j] = filepath.FromSlash(p)
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}
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for j, p := range cases[i].exists {
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cases[i].exists[j] = filepath.FromSlash(p)
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}
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for j, p := range cases[i].out {
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cases[i].out[j] = filepath.FromSlash(p)
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}
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}
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}
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return cases
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}
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func unifyExists(f string, tc unifySubsCase) bool {
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for _, e := range tc.exists {
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if f == e {
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return true
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}
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}
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return false
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}
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func TestUnifySubs(t *testing.T) {
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cases := unifySubsCases()
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for i, tc := range cases {
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exists := func(f string) bool {
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return unifyExists(f, tc)
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}
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out := unifySubs(tc.in, exists)
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if diff, equal := messagediff.PrettyDiff(tc.out, out); !equal {
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t.Errorf("Case %d failed; got %v, expected %v, diff:\n%s", i, out, tc.out, diff)
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}
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}
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}
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func BenchmarkUnifySubs(b *testing.B) {
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cases := unifySubsCases()
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b.ReportAllocs()
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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for _, tc := range cases {
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exists := func(f string) bool {
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return unifyExists(f, tc)
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}
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unifySubs(tc.in, exists)
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}
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}
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}
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