func TestFopenKeepCache(t *testing.T) {
if runtime.GOOS == "darwin" {
t.Skip("FOPEN_KEEP_CACHE is broken on Darwin.")
}
wd, pathfs, clean := setupCacheTest(t)
defer clean()
before := "before"
after := "after"
if err := ioutil.WriteFile(wd+"/orig/file.txt", []byte(before), 0644); err != nil {
t.Fatalf("WriteFile failed: %v", err)
}
c, err := ioutil.ReadFile(wd + "/mnt/file.txt")
if err != nil {
t.Fatalf("ReadFile: %v", err)
} else if string(c) != before {
t.Fatalf("ReadFile: got %q, want %q", c, before)
}
if err := ioutil.WriteFile(wd+"/orig/file.txt", []byte(after), 0644); err != nil {
t.Fatalf("WriteFile: %v", err)
}
c, err = ioutil.ReadFile(wd + "/mnt/file.txt")
if err != nil {
t.Fatalf("ReadFile: %v", err)
} else if string(c) != before {
t.Fatalf("ReadFile: got %q, want cached %q", c, before)
}
if minor := pathfs.Connector().Server().KernelSettings().Minor; minor < 12 {
t.Skip("protocol v%d has no notify support.", minor)
}
code := pathfs.EntryNotify("", "file.txt")
if !code.Ok() {
t.Errorf("EntryNotify: %v", code)
}
c, err = ioutil.ReadFile(wd + "/mnt/file.txt")
if err != nil {
t.Fatalf("ReadFile: %v", err)
} else if string(c) != after {
t.Fatalf("ReadFile: got %q after notify, want %q", c, after)
}
}
func TestCacheFs(t *testing.T) {
wd, pathfs, clean := setupCacheTest(t)
defer clean()
content1 := "hello"
content2 := "qqqq"
err := ioutil.WriteFile(wd+"/orig/file.txt", []byte(content1), 0644)
if err != nil {
t.Fatalf("WriteFile failed: %v", err)
}
c, err := ioutil.ReadFile(wd + "/mnt/file.txt")
if err != nil {
t.Fatalf("ReadFile failed: %v", err)
}
if string(c) != "hello" {
t.Fatalf("expect 'hello' %q", string(c))
}
err = ioutil.WriteFile(wd+"/orig/file.txt", []byte(content2), 0644)
if err != nil {
t.Fatalf("WriteFile failed: %v", err)
}
c, err = ioutil.ReadFile(wd + "/mnt/file.txt")
if err != nil {
t.Fatalf("ReadFile failed: %v", err)
}
if string(c) != "hello" {
t.Fatalf("Page cache skipped: expect 'hello' %q", string(c))
}
code := pathfs.EntryNotify("", "file.txt")
if !code.Ok() {
t.Errorf("Entry notify failed: %v", code)
}
c, err = ioutil.ReadFile(wd + "/mnt/file.txt")
if err != nil {
t.Fatalf("ReadFile failed: %v", err)
}
if string(c) != string(content2) {
t.Fatalf("Mismatch after notify expect '%s' %q", content2, string(c))
}
}