116 lines
3.5 KiB
Go
116 lines
3.5 KiB
Go
package watch
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import (
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"os"
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"path/filepath"
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"sort"
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"strings"
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"testing"
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)
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func TestDiff(t *testing.T) {
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root := t.TempDir()
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if err := os.Mkdir(filepath.Join(root, "d"), 0o755); err != nil {
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t.Fatal(err)
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}
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for _, p := range []string{"d/a.md", "b.md", "c.md", "c2.md"} {
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if err := os.WriteFile(filepath.Join(root, p), []byte("相同内容"), 0o644); err != nil {
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t.Fatal(err)
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}
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}
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state := func(p, rev string) fileState {
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info, err := os.Stat(filepath.Join(root, p))
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if err != nil {
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t.Fatal(err)
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}
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return fileState{dir: info.IsDir(), rev: rev, info: info}
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}
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prev := map[string]fileState{
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"d": state("d", ""),
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"d/a.md": state("d/a.md", "r1"),
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"b.md": state("b.md", "r2"),
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"c.md": state("c.md", "same"),
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"c2.md": state("c2.md", "same"),
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}
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for from, to := range map[string]string{"d/a.md": "d/x.md", "c2.md": "e.md"} {
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if err := os.Rename(filepath.Join(root, from), filepath.Join(root, to)); err != nil {
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t.Fatal(err)
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}
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}
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next := map[string]fileState{
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"d": state("d", ""),
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"d/x.md": state("d/x.md", "r1"),
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"b.md": state("b.md", "r3"),
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"e.md": state("e.md", "same"),
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}
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var got []string
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for _, e := range diff(prev, next) {
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f := []string{e.Type}
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if e.From != "" {
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f = append(f, e.From)
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}
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if e.Path != "" {
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f = append(f, e.Path)
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}
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got = append(got, strings.Join(f, " "))
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}
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sort.Strings(got)
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want := "changed b.md|deleted c.md|moved c2.md e.md|moved d/a.md d/x.md|tree"
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if strings.Join(got, "|") != want {
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t.Fatalf("事件不符:\n got %q\nwant %q", strings.Join(got, "|"), want)
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}
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if evs := diff(next, next); len(evs) != 0 {
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t.Fatalf("快照相同不应产生事件: %v", evs)
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}
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}
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func TestDirectoryMovesCoverChildrenAndEmptyDirectories(t *testing.T) {
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root := t.TempDir()
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if err := os.MkdirAll(filepath.Join(root, "from", "empty"), 0o755); err != nil {
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t.Fatal(err)
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}
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if err := os.WriteFile(filepath.Join(root, "from", "a.md"), []byte("正文"), 0o644); err != nil {
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t.Fatal(err)
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}
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snapshot := func(dir string) map[string]fileState {
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out := map[string]fileState{}
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for _, rel := range []string{dir, dir + "/empty", dir + "/a.md"} {
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info, err := os.Stat(filepath.Join(root, rel))
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if err != nil {
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t.Fatal(err)
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}
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out[rel] = fileState{dir: info.IsDir(), info: info, rev: "same"}
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}
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return out
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}
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prev := snapshot("from")
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if err := os.Rename(filepath.Join(root, "from"), filepath.Join(root, "to")); err != nil {
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t.Fatal(err)
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}
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events := diff(prev, snapshot("to"))
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if len(events) != 2 || events[0].Type != "moved" || events[0].From != "from" || events[0].Path != "to" || events[1].Type != "tree" {
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t.Fatalf("目录移动应只产生一次路径映射: %v", events)
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}
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next := snapshot("to")
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if err := os.Rename(filepath.Join(root, "to", "a.md"), filepath.Join(root, "to", "b.md")); err != nil {
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t.Fatal(err)
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}
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next["to/b.md"] = next["to/a.md"]
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delete(next, "to/a.md")
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events = diff(prev, next)
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if len(events) != 3 || events[0].From != "from" || events[0].Path != "to" || events[1].From != "to/a.md" || events[1].Path != "to/b.md" || events[2].Type != "tree" {
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t.Fatalf("同一批次内子项改名应接续父目录映射: %v", events)
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}
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}
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func TestNotesExcludeResourceContents(t *testing.T) {
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indexed := notes(map[string]fileState{
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"笔记.md": {rev: "r1"},
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"笔记.assets/说明.md": {rev: "r2"},
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"附件.txt": {},
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})
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if len(indexed) != 1 || indexed["笔记.md"] != "r1" {
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t.Fatalf("跟踪普通文件移动不能改变笔记索引范围: %v", indexed)
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}
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}
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