FsUtils/testing/mountree_test/unix_mountree_test.go

package mountree_test

import (
	"git.swzry.com/ProjectNagae/FsUtils/mountree"
	"testing"
)

type Mount struct {
	FileSystemName string
	MountPoint     string
}

type TestCase struct {
	Path           string
	FileSystemName string
	RemainPath     string
}

type Payload struct {
	FsName string
}

func (p *Payload) Name() string {
	return p.FsName
}

func (p *Payload) Description() string {
	return p.FsName
}

var _ mountree.PayloadType = (*Payload)(nil)

var FS *mountree.SimpleUnixLikePathTree[*Payload]

func TestAll(t *testing.T) {
	t.Log("==== Phase1 ====")
	mounts1 := []Mount{
		{"fs1", "/"},
		{"fs2", "/foo"},
		{"fs3", "/foo/bar"},
		{"fs4", "/foo/baz"},
		{"fs5", "/foo/baz/qux/tac/mud"},
		{"fs6", "/foo/baz/qux/fox"},
	}
	for _, mount := range mounts1 {
		err := FS.Mount(mount.MountPoint, &Payload{FsName: mount.FileSystemName}, false)
		if err != nil {
			t.Fatalf("failed to mount %v: %v", mount.MountPoint, err)
		} else {
			t.Logf("mounted %s at %s.", mount.FileSystemName, mount.MountPoint)
		}
	}
	t.Log("-- Mount Test OK --")
	t.Log("Mount Table:")
	FS.ListAllMount(func(path string, payload *Payload) {
		t.Logf("\t%s\t\t%s", payload.Name(), path)
	})
	t.Log("-- List Mount Table OK --")
	tc1 := []TestCase{
		{"/", "fs1", ""},
		{"///", "fs1", ""},
		{"", "fs1", ""},
		{"/foobar", "fs1", "foobar"},
		{"/reimu", "fs1", "reimu"},
		{"/foobar/satori", "fs1", "foobar/satori"},
		{"/reimu/cirno", "fs1", "reimu/cirno"},
		{"/foo", "fs2", ""},
		{"/foo/cirno", "fs2", "cirno"},
		{"/foo/cirno/satori", "fs2", "cirno/satori"},
		{"/foo/cirno/satori_komeiji", "fs2", "cirno/satori_komeiji"},
		{"/foo/bar", "fs3", ""},
		{"/foo/bar/////", "fs3", ""},
		{"/foo/bar/", "fs3", ""},
		{"/foo/bar/koishi", "fs3", "koishi"},
		{"/foo/baz", "fs4", ""},
		{"/foo/baz/qux114514", "fs4", "qux114514"},
		{"/foo/baz/qux114514.fox", "fs4", "qux114514.fox"},
		{"/foo/baz/qux/tac/mud", "fs5", ""},
		{"/foo/baz/qux/tac/mud/can", "fs5", "can"},
		{"/foo/baz/qux/fox", "fs6", ""},
		{"/foo/baz/qux/fox/can/tell/you", "fs6", "can/tell/you"},
	}
	for _, tc := range tc1 {
		payload, remain, err := FS.GetPayload(tc.Path)
		if err != nil {
			t.Fatalf("failed to get payload for %s: %v", tc, err)
		}
		if (*payload).Name() != tc.FileSystemName {
			t.Fatalf("at '%s': payload mismatch: want %#v, got %#v", tc.Path, tc.FileSystemName, *payload)
		}
		if remain != tc.RemainPath {
			t.Fatalf("at '%s': remain path mismatch: want %#v, got %#v", tc.Path, tc.RemainPath, remain)
		}
		t.Logf("at '%s': payload: %s, remain: %s", tc.Path, *payload, remain)
	}
	t.Log("-- GetPayload Test OK --")
	t.Log("==== Phase2 ====")
	umounts1 := []string{
		"/foo/baz/qux/fox",
		"/foo/bar",
	}
	for _, mount := range umounts1 {
		err := FS.Umount(mount)
		if err != nil {
			t.Fatalf("failed to umount %v: %v", mount, err)
		} else {
			t.Logf("umounted %s.", mount)
		}
	}
	t.Log("-- Umount Test OK --")
	t.Log("Mount Table:")
	FS.ListAllMount(func(path string, payload *Payload) {
		t.Logf("\t%s\t\t%s", payload.Name(), path)
	})
	t.Log("-- List Mount Table OK --")
	tc2 := []TestCase{
		{"/", "fs1", ""},
		{"///", "fs1", ""},
		{"", "fs1", ""},
		{"/foobar", "fs1", "foobar"},
		{"/reimu", "fs1", "reimu"},
		{"/foobar/satori", "fs1", "foobar/satori"},
		{"/reimu/cirno", "fs1", "reimu/cirno"},
		{"/foo", "fs2", ""},
		{"/foo/cirno", "fs2", "cirno"},
		{"/foo/cirno/satori", "fs2", "cirno/satori"},
		{"/foo/cirno/satori_komeiji", "fs2", "cirno/satori_komeiji"},
		{"/foo/bar", "fs2", "bar"},
		{"/foo/bar/////", "fs2", "bar"},
		{"/foo/bar/", "fs2", "bar"},
		{"/foo/bar/koishi", "fs2", "bar/koishi"},
		{"/foo/baz", "fs4", ""},
		{"/foo/baz/qux114514", "fs4", "qux114514"},
		{"/foo/baz/qux114514.fox", "fs4", "qux114514.fox"},
		{"/foo/baz/qux/tac/mud", "fs5", ""},
		{"/foo/baz/qux/tac/mud/can", "fs5", "can"},
		{"/foo/baz/qux/fox", "fs4", "qux/fox"},
		{"/foo/baz/qux/fox/can/tell/you", "fs4", "qux/fox/can/tell/you"},
	}
	for _, tc := range tc2 {
		payload, remain, err := FS.GetPayload(tc.Path)
		if err != nil {
			t.Fatalf("failed to get payload for %s: %v", tc.Path, err.Error())
		}
		if (*payload).Name() != tc.FileSystemName {
			t.Fatalf("at '%s': payload mismatch: want %#v, got %#v", tc.Path, tc.FileSystemName, *payload)
		}
		if remain != tc.RemainPath {
			t.Fatalf("at '%s': remain path mismatch: want %#v, got %#v", tc.Path, tc.RemainPath, remain)
		}
		t.Logf("at '%s': payload: %s, remain: %s", tc.Path, (*payload).Name(), remain)
	}
	t.Log("-- GetPayload Test OK --")
	t.Log("==== Phase3 ====")
	t.Log("mount an already mounted path '/' without force")
	err := FS.Mount("/", &Payload{FsName: "errfs1"}, false)
	if err != nil {
		if mountree.CheckErrorType(err, mountree.ErrMountPointAlreadyExists) {
			t.Log("Ok")
		} else {
			t.Fatalf(
				"unexpected error type: want '%s', got '%s'",
				mountree.ErrMountPointAlreadyExists.Error(),
				err.Error(),
			)
		}
	} else {
		t.Fatal("test failed: this action should cause error")
	}
	t.Log("mount an already mounted path '/foo' without force")
	err = FS.Mount("/", &Payload{FsName: "errfs2"}, false)
	if err != nil {
		if mountree.CheckErrorType(err, mountree.ErrMountPointAlreadyExists) {
			t.Log("Ok")
		} else {
			t.Fatalf(
				"unexpected error type: want '%s', got '%s'",
				mountree.ErrMountPointAlreadyExists.Error(),
				err.Error(),
			)
		}
	} else {
		t.Fatal("test failed: this action should cause error")
	}
	t.Log("mount an already mounted path '/' with force")
	err = FS.Mount("/", &Payload{FsName: "fs7"}, true)
	if err != nil {
		t.Fatal("force remount '/' failed: ", err.Error())
	} else {
		t.Log("Ok")
	}
	t.Log("Mount Table:")
	FS.ListAllMount(func(path string, payload *Payload) {
		t.Logf("\t%s\t\t%s", payload.Name(), path)
	})
	t.Log("-- List Mount Table OK --")
	tc3 := []TestCase{
		{"/", "fs7", ""},
		{"///", "fs7", ""},
		{"", "fs7", ""},
		{"/foobar", "fs7", "foobar"},
		{"/foo/baz/qux/tac/mud", "fs5", ""},
		{"/foo/baz/qux/tac/mud/can", "fs5", "can"},
	}
	for _, tc := range tc3 {
		payload, remain, err := FS.GetPayload(tc.Path)
		if err != nil {
			t.Fatalf("failed to get payload for %s: %v", tc.Path, err.Error())
		}
		if (*payload).Name() != tc.FileSystemName {
			t.Fatalf("at '%s': payload mismatch: want %#v, got %#v", tc.Path, tc.FileSystemName, *payload)
		}
		if remain != tc.RemainPath {
			t.Fatalf("at '%s': remain path mismatch: want %#v, got %#v", tc.Path, tc.RemainPath, remain)
		}
		t.Logf("at '%s': payload: %s, remain: %s", tc.Path, (*payload).Name(), remain)
	}
	t.Log("-- GetPayload Test OK --")
	t.Log("==== Phase4 ====")
	t.Log("umount mount point that not exists: '/foo/cirno'")
	err = FS.Umount("/foo/cirno")
	if err != nil {
		if mountree.CheckErrorType(err, mountree.ErrMountPointNotExists) {
			t.Log("Ok")
		} else {
			t.Fatalf(
				"unexpected error type: want '%s', got '%s'",
				mountree.ErrMountPointNotExists.Error(),
				err.Error(),
			)
		}
	} else {
		t.Fatal("test failed: this action should cause error")
	}
	t.Log("umount '/'")
	err = FS.Umount("/")
	if err != nil {
		t.Fatal("umount '/' failed: ", err.Error())
	} else {
		t.Log("Ok")
	}
	t.Log("Mount Table:")
	FS.ListAllMount(func(path string, payload *Payload) {
		t.Logf("\t%s\t\t%s", payload.Name(), path)
	})
	t.Log("-- List Mount Table OK --")
	t.Log("test for '/'")
	_, _, err = FS.GetPayload("/")
	if err != nil {
		if mountree.CheckErrorType(err, mountree.ErrNoAvailableMountPointForThisPath) {
			t.Log("Ok")
		} else {
			t.Fatalf(
				"unexpected error type: want '%s', got '%s'",
				mountree.ErrNoAvailableMountPointForThisPath.Error(),
				err.Error(),
			)
		}
	} else {
		t.Fatal("test failed: this action should cause error")
	}
	t.Log("test for '/cirno/koishi'")
	_, _, err = FS.GetPayload("/cirno/koishi")
	if err != nil {
		if mountree.CheckErrorType(err, mountree.ErrNoAvailableMountPointForThisPath) {
			t.Log("Ok")
		} else {
			t.Fatalf(
				"unexpected error type: want '%s', got '%s'",
				mountree.ErrNoAvailableMountPointForThisPath.Error(),
				err.Error(),
			)
		}
	} else {
		t.Fatal("test failed: this action should cause error")
	}
	t.Log("==== Phase5 ====")
	mounts2 := []Mount{
		{"fs8", "/"},
		{"fs9", "/foo/bar"},
		{"fs10", "/foo/baz/qux/fox"},
		{"fs11", "/foo/baz/lut"},
		{"fs12", "/foo/baz/cuk"},
		{"fs13", "/foo/baz/zek"},
		{"fs14", "/foo/baz/zek/cirno"},
	}
	for _, mount := range mounts2 {
		err := FS.Mount(mount.MountPoint, &Payload{FsName: mount.FileSystemName}, false)
		if err != nil {
			t.Fatalf("failed to mount %v: %v", mount.MountPoint, err)
		} else {
			t.Logf("mounted %s at %s.", mount.FileSystemName, mount.MountPoint)
		}
	}
	t.Log("-- Mount Test OK --")
	t.Log("Mount Table:")
	FS.ListAllMount(func(path string, payload *Payload) {
		t.Logf("\t%s\t\t%s", payload.Name(), path)
	})
	t.Log("-- List Mount Table OK --")
	tc4 := []TestCase{
		{"/", "fs8", ""},
		{"///", "fs8", ""},
		{"", "fs8", ""},
		{"/foo/bar/810", "fs9", "810"},
		{"/foo/baz/qux/tac/mud", "fs5", ""},
		{"/foo/baz/qux/tac/mud/can", "fs5", "can"},
		{"/foo/baz/qux/fox/cat/dog", "fs10", "cat/dog"},
		{"/foo/baz/lut/fox/cat/dog", "fs11", "fox/cat/dog"},
		{"/foo/baz/cuk/cat/dog/fox", "fs12", "cat/dog/fox"},
		{"/foo/baz/zek", "fs13", ""},
		{"/foo/baz/zek/cirno", "fs14", ""},
		{"/foo/baz/zek/cirno/satori", "fs14", "satori"},
		{"/foo/baz", "fs4", ""},
		{"/foo/baz/zun", "fs4", "zun"},
	}
	for _, tc := range tc4 {
		payload, remain, err := FS.GetPayload(tc.Path)
		if err != nil {
			t.Fatalf("failed to get payload for %s: %v", tc.Path, err.Error())
		}
		if (*payload).Name() != tc.FileSystemName {
			t.Fatalf("at '%s': payload mismatch: want %#v, got %#v", tc.Path, tc.FileSystemName, *payload)
		}
		if remain != tc.RemainPath {
			t.Fatalf("at '%s': remain path mismatch: want %#v, got %#v", tc.Path, tc.RemainPath, remain)
		}
		t.Logf("at '%s': payload: %s, remain: %s", tc.Path, (*payload).Name(), remain)
	}
	t.Log("-- GetPayload Test OK --")
	t.Log("==== Phase5 ====")

	t.Log("umount '/foo/baz'")
	err = FS.Umount("/foo/baz")
	if err != nil {
		t.Fatal("umount '/' failed: ", err.Error())
	} else {
		t.Log("Ok")
	}
	t.Log("Mount Table:")
	FS.ListAllMount(func(path string, payload *Payload) {
		t.Logf("\t%s\t\t%s", payload.Name(), path)
	})
	t.Log("-- List Mount Table OK --")
	tc5 := []TestCase{
		{"/", "fs8", ""},
		{"///", "fs8", ""},
		{"", "fs8", ""},
		{"/foo/bar/810", "fs9", "810"},
		{"/foo/baz/qux/tac/mud", "fs5", ""},
		{"/foo/baz/qux/tac/mud/can", "fs5", "can"},
		{"/foo/baz/qux/fox/cat/dog", "fs10", "cat/dog"},
		{"/foo/baz/lut/fox/cat/dog", "fs11", "fox/cat/dog"},
		{"/foo/baz/cuk/cat/dog/fox", "fs12", "cat/dog/fox"},
		{"/foo/baz/zek", "fs13", ""},
		{"/foo/baz/zek/cirno", "fs14", ""},
		{"/foo/baz/zek/cirno/satori", "fs14", "satori"},
		{"/foo/baz", "fs2", "baz"},
		{"/foo/baz/zun", "fs2", "baz/zun"},
	}
	for _, tc := range tc5 {
		payload, remain, err := FS.GetPayload(tc.Path)
		if err != nil {
			t.Fatalf("failed to get payload for %s: %v", tc.Path, err.Error())
		}
		if (*payload).Name() != tc.FileSystemName {
			t.Fatalf("at '%s': payload mismatch: want %#v, got %#v", tc.Path, tc.FileSystemName, *payload)
		}
		if remain != tc.RemainPath {
			t.Fatalf("at '%s': remain path mismatch: want %#v, got %#v", tc.Path, tc.RemainPath, remain)
		}
		t.Logf("at '%s': payload: %s, remain: %s", tc.Path, (*payload).Name(), remain)
	}
	t.Log("-- GetPayload Test OK --")
}

func TestMain(m *testing.M) {
	FS = mountree.NewSimpleUnixLikePathTree[*Payload]()
	m.Run()
}