email/maildir: fix tests on darwin

On Linux, if one try to write to directory without permission its
return an error: "permission denied", while on Darwin its return
"read-only file system".

6 files changed, 212 insertions, 87 deletions

diff --git a/lib/email/maildir/folder_darwin_test.go b/lib/email/maildir/folder_darwin_test.go
new file mode 100644
index 00000000..137422aa
--- /dev/null
+++ b/lib/email/maildir/folder_darwin_test.go
@@ -0,0 +1,62 @@
+// Copyright 2023, Shulhan <ms@kilabit.info>. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package maildir
+
+import (
+	"path/filepath"
+	"testing"
+
+	"github.com/shuLhan/share/lib/test"
+)
+
+func TestCreateFolder(t *testing.T) {
+	var (
+		dir  = t.TempDir()
+		name = "  \r\n"
+
+		folder *Folder
+		err    error
+	)
+
+	// Case: with empty maildir.
+
+	_, err = CreateFolder(``, `.name`)
+	var expError = `CreateFolder: invalid maildir "."`
+	test.Assert(t, `With empty maildir`, expError, err.Error())
+
+	// Case: with empty name.
+
+	_, err = CreateFolder(dir, name)
+	expError = `CreateFolder: folder name is empty`
+	test.Assert(t, `With empty name`, expError, err.Error())
+
+	// Case: with no permission.
+
+	name = `.folder`
+
+	_, err = CreateFolder(`/`, name)
+	expError = `CreateFolder: mkdir /.folder: read-only file system`
+	test.Assert(t, `With empty name`, expError, err.Error())
+
+	// Case: with valid dir and name.
+
+	folder, err = CreateFolder(dir, name)
+	if err != nil {
+		t.Fatal(err)
+	}
+	var expDir = filepath.Join(dir, name)
+	test.Assert(t, `Folder.dir`, expDir, folder.dir)
+	assertFolder(t, folder)
+
+	// Case: creating folder on existing non empty directory should not
+	// failed.
+
+	folder, err = CreateFolder(dir, name)
+	if err != nil {
+		t.Fatal(err)
+	}
+	test.Assert(t, `Folder.dir`, expDir, folder.dir)
+	assertFolder(t, folder)
+}
diff --git a/lib/email/maildir/folder_linux_test.go b/lib/email/maildir/folder_linux_test.go
new file mode 100644
index 00000000..008b1f3a
--- /dev/null
+++ b/lib/email/maildir/folder_linux_test.go
@@ -0,0 +1,62 @@
+// Copyright 2023, Shulhan <ms@kilabit.info>. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package maildir
+
+import (
+	"path/filepath"
+	"testing"
+
+	"github.com/shuLhan/share/lib/test"
+)
+
+func TestCreateFolder(t *testing.T) {
+	var (
+		dir  = t.TempDir()
+		name = "  \r\n"
+
+		folder *Folder
+		err    error
+	)
+
+	// Case: with empty maildir.
+
+	_, err = CreateFolder(``, `.name`)
+	var expError = `CreateFolder: invalid maildir "."`
+	test.Assert(t, `With empty maildir`, expError, err.Error())
+
+	// Case: with empty name.
+
+	_, err = CreateFolder(dir, name)
+	expError = `CreateFolder: folder name is empty`
+	test.Assert(t, `With empty name`, expError, err.Error())
+
+	// Case: with no permission.
+
+	name = `.folder`
+
+	_, err = CreateFolder(`/`, name)
+	expError = `CreateFolder: mkdir /.folder: permission denied`
+	test.Assert(t, `With empty name`, expError, err.Error())
+
+	// Case: with valid dir and name.
+
+	folder, err = CreateFolder(dir, name)
+	if err != nil {
+		t.Fatal(err)
+	}
+	var expDir = filepath.Join(dir, name)
+	test.Assert(t, `Folder.dir`, expDir, folder.dir)
+	assertFolder(t, folder)
+
+	// Case: creating folder on existing non empty directory should not
+	// failed.
+
+	folder, err = CreateFolder(dir, name)
+	if err != nil {
+		t.Fatal(err)
+	}
+	test.Assert(t, `Folder.dir`, expDir, folder.dir)
+	assertFolder(t, folder)
+}
diff --git a/lib/email/maildir/folder_test.go b/lib/email/maildir/folder_test.go
index dacf9ea0..1afad196 100644
--- a/lib/email/maildir/folder_test.go
+++ b/lib/email/maildir/folder_test.go
@@ -13,56 +13,6 @@ import (
 	"github.com/shuLhan/share/lib/test"
 )
 
-func TestCreateFolder(t *testing.T) {
-	var (
-		dir  = t.TempDir()
-		name = "  \r\n"
-
-		folder *Folder
-		err    error
-	)
-
-	// Case: with empty maildir.
-
-	_, err = CreateFolder(``, `.name`)
-	var expError = `CreateFolder: invalid maildir "."`
-	test.Assert(t, `With empty maildir`, expError, err.Error())
-
-	// Case: with empty name.
-
-	_, err = CreateFolder(dir, name)
-	expError = `CreateFolder: folder name is empty`
-	test.Assert(t, `With empty name`, expError, err.Error())
-
-	// Case: with no permission.
-
-	name = `.folder`
-
-	_, err = CreateFolder(`/`, name)
-	expError = `CreateFolder: mkdir /.folder: permission denied`
-	test.Assert(t, `With empty name`, expError, err.Error())
-
-	// Case: with valid dir and name.
-
-	folder, err = CreateFolder(dir, name)
-	if err != nil {
-		t.Fatal(err)
-	}
-	var expDir = filepath.Join(dir, name)
-	test.Assert(t, `Folder.dir`, expDir, folder.dir)
-	assertFolder(t, folder)
-
-	// Case: creating folder on existing non empty directory should not
-	// failed.
-
-	folder, err = CreateFolder(dir, name)
-	if err != nil {
-		t.Fatal(err)
-	}
-	test.Assert(t, `Folder.dir`, expDir, folder.dir)
-	assertFolder(t, folder)
-}
-
 func TestNewFolder(t *testing.T) {
 	// Case: empty name.
 	var (
diff --git a/lib/email/maildir/manager_darwin_test.go b/lib/email/maildir/manager_darwin_test.go
new file mode 100644
index 00000000..fc69d1d2
--- /dev/null
+++ b/lib/email/maildir/manager_darwin_test.go
@@ -0,0 +1,44 @@
+package maildir
+
+import (
+	"testing"
+
+	"github.com/shuLhan/share/lib/test"
+)
+
+func TestNewManager(t *testing.T) {
+	var (
+		md       *Manager
+		expError string
+		err      error
+	)
+
+	_, err = NewManager(" \t\n")
+	expError = `NewManager: empty base directory`
+	test.Assert(t, `With empty directory`, expError, err.Error())
+
+	_, err = NewManager(`/`)
+	expError = `NewManager: initDirs: mkdir /cur: read-only file system`
+	test.Assert(t, `With no permission`, expError, err.Error())
+
+	var baseDir = t.TempDir()
+
+	md, err = NewManager(baseDir)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	if md.pid == 0 {
+		t.Fatal(`want PID, got 0`)
+	}
+	if len(md.hostname) == 0 {
+		t.Fatal(`want hostname, got empty`)
+	}
+	if md.counter != 0 {
+		t.Fatalf(`want zero counter, got %d`, md.counter)
+	}
+
+	assertDirExist(t, md.dirCur)
+	assertDirExist(t, md.dirNew)
+	assertDirExist(t, md.dirTmp)
+}
diff --git a/lib/email/maildir/manager_linux_test.go b/lib/email/maildir/manager_linux_test.go
new file mode 100644
index 00000000..4ff44bcd
--- /dev/null
+++ b/lib/email/maildir/manager_linux_test.go
@@ -0,0 +1,44 @@
+package maildir
+
+import (
+	"testing"
+
+	"github.com/shuLhan/share/lib/test"
+)
+
+func TestNewManager(t *testing.T) {
+	var (
+		md       *Manager
+		expError string
+		err      error
+	)
+
+	_, err = NewManager(" \t\n")
+	expError = `NewManager: empty base directory`
+	test.Assert(t, `With empty directory`, expError, err.Error())
+
+	_, err = NewManager(`/`)
+	expError = `NewManager: initDirs: mkdir /cur: permission denied`
+	test.Assert(t, `With no permission`, expError, err.Error())
+
+	var baseDir = t.TempDir()
+
+	md, err = NewManager(baseDir)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	if md.pid == 0 {
+		t.Fatal(`want PID, got 0`)
+	}
+	if len(md.hostname) == 0 {
+		t.Fatal(`want hostname, got empty`)
+	}
+	if md.counter != 0 {
+		t.Fatalf(`want zero counter, got %d`, md.counter)
+	}
+
+	assertDirExist(t, md.dirCur)
+	assertDirExist(t, md.dirNew)
+	assertDirExist(t, md.dirTmp)
+}
diff --git a/lib/email/maildir/manager_test.go b/lib/email/maildir/manager_test.go
index c29a3f1b..832bd046 100644
--- a/lib/email/maildir/manager_test.go
+++ b/lib/email/maildir/manager_test.go
@@ -13,43 +13,6 @@ import (
 	"github.com/shuLhan/share/lib/test"
 )
 
-func TestNewManager(t *testing.T) {
-	var (
-		md       *Manager
-		expError string
-		err      error
-	)
-
-	_, err = NewManager(" \t\n")
-	expError = `NewManager: empty base directory`
-	test.Assert(t, `With empty directory`, expError, err.Error())
-
-	_, err = NewManager(`/`)
-	expError = `NewManager: initDirs: mkdir /cur: permission denied`
-	test.Assert(t, `With no permission`, expError, err.Error())
-
-	var baseDir = t.TempDir()
-
-	md, err = NewManager(baseDir)
-	if err != nil {
-		t.Fatal(err)
-	}
-
-	if md.pid == 0 {
-		t.Fatal(`want PID, got 0`)
-	}
-	if len(md.hostname) == 0 {
-		t.Fatal(`want hostname, got empty`)
-	}
-	if md.counter != 0 {
-		t.Fatalf(`want zero counter, got %d`, md.counter)
-	}
-
-	assertDirExist(t, md.dirCur)
-	assertDirExist(t, md.dirNew)
-	assertDirExist(t, md.dirTmp)
-}
-
 func TestManager_scanDir(t *testing.T) {
 	var (
 		dir = t.TempDir()