test CopyOnWriteFs with OsFs
diff --git a/composite_test.go b/composite_test.go
index e8d7be6..20ebc05 100644
--- a/composite_test.go
+++ b/composite_test.go
@@ -5,8 +5,11 @@
"os"
"testing"
"time"
+ "fmt"
)
+var tempDirs []string
+
func TestUnionCreateExisting(t *testing.T) {
base := &MemMapFs{}
roBase := &ReadOnlyFs{source: base}
@@ -82,6 +85,110 @@
}
}
+func TestExistingDirectoryCollisionReaddir(t *testing.T) {
+ base := &MemMapFs{}
+ roBase := &ReadOnlyFs{source: base}
+ overlay := &MemMapFs{}
+
+ ufs := &CopyOnWriteFs{base: roBase, layer: overlay}
+
+ base.MkdirAll("/home/test", 0777)
+ fh, _ := base.Create("/home/test/file.txt")
+ fh.WriteString("This is a test")
+ fh.Close()
+
+ overlay.MkdirAll("home/test", 0777)
+ fh, _ = overlay.Create("/home/test/file2.txt")
+ fh.WriteString("This is a test")
+ fh.Close()
+
+ fh, _ = ufs.Create("/home/test/file3.txt")
+ fh.WriteString("This is a test")
+ fh.Close()
+
+ fh, _ = ufs.Open("/home/test")
+ files, err := fh.Readdirnames(-1)
+ if err != nil {
+ t.Errorf("Readdirnames failed")
+ }
+ if len(files) != 3 {
+ t.Errorf("Got wrong number of files in union: %v", files)
+ }
+
+ fh, _ = overlay.Open("/home/test")
+ files, err = fh.Readdirnames(-1)
+ if err != nil {
+ t.Errorf("Readdirnames failed")
+ }
+ if len(files) != 2 {
+ t.Errorf("Got wrong number of files in overlay: %v", files)
+ }
+}
+
+func NewTempOsBaseFs(t *testing.T) Fs {
+ name, err := TempDir(NewOsFs(), "", "")
+ if err != nil {
+ t.Error("error creating tempDir", err)
+ }
+
+ fmt.Println("created tempdir", name)
+ tempDirs = append(tempDirs, name)
+
+ return NewBasePathFs(NewOsFs(), name)
+}
+
+func CleanupTempDirs() {
+ osfs := NewOsFs()
+ for _, x := range tempDirs {
+ err := osfs.RemoveAll(x)
+ if err != nil {
+ fmt.Println("error removing tempDir", x, err)
+ }
+ }
+ tempDirs = []string{}
+}
+
+func TestCopyOnWriteFsWithOsFs(t *testing.T) {
+ defer CleanupTempDirs()
+ base := NewTempOsBaseFs(t)
+ roBase := &ReadOnlyFs{source: base}
+ overlay := NewTempOsBaseFs(t)
+
+ ufs := &CopyOnWriteFs{base: roBase, layer: overlay}
+
+ base.MkdirAll("/home/test", 0777)
+ fh, _ := base.Create("/home/test/file.txt")
+ fh.WriteString("This is a test")
+ fh.Close()
+
+ overlay.MkdirAll("home/test", 0777)
+ fh, _ = overlay.Create("/home/test/file2.txt")
+ fh.WriteString("This is a test")
+ fh.Close()
+
+ fh, _ = ufs.Create("/home/test/file3.txt")
+ fh.WriteString("This is a test")
+ fh.Close()
+
+ fh, _ = ufs.Open("/home/test")
+ files, err := fh.Readdirnames(-1)
+ if err != nil {
+ t.Errorf("Readdirnames failed")
+ }
+ if len(files) != 3 {
+ t.Errorf("Got wrong number of files in union: %v", files)
+ }
+
+ fh, _ = overlay.Open("/home/test")
+ files, err = fh.Readdirnames(-1)
+ if err != nil {
+ t.Errorf("Readdirnames failed")
+ }
+ if len(files) != 2 {
+ t.Errorf("Got wrong number of files in overlay: %v", files)
+ }
+}
+
func TestUnionCacheWrite(t *testing.T) {
base := &MemMapFs{}
layer := &MemMapFs{}
