Support custom temporary directory

.github/workflows/coverage.yml

@@ -11,7 +11,7 @@ jobs:
       - name: Install Go
         uses: actions/setup-go@v3
         with:
-          go-version: '1.20'
+          go-version: '1.24'
       - name: Checkout code
         uses: actions/checkout@v3
       - name: Run tests

.github/workflows/main.yml

@@ -20,7 +20,7 @@ jobs:
       - name: Install Go
         uses: actions/setup-go@v3
         with:
-          go-version: '1.20'
+          go-version: '1.24'
       - name: Checkout code
         uses: actions/checkout@v3
       - name: Run tests
@@ -32,7 +32,7 @@ jobs:
       - name: Install Go
         uses: actions/setup-go@v3
         with:
-          go-version: '1.20'
+          go-version: '1.24'
       - name: Install Gomobile
         run: go install golang.org/x/mobile/cmd/gomobile@latest
       - name: Checkout code

cmd/compare_test.go

@@ -1,10 +1,9 @@
+//go:build !windows
 // +build !windows
 
 package cmd
 
 import (
-	"io/ioutil"
-	"os"
 	"path/filepath"
 	"testing"
 	"time"
@@ -17,9 +16,7 @@ import (
 func Test_compare(t *testing.T) {
 	t.Parallel()
 
-	tmp, err := ioutil.TempDir("", "go-jwlm")
-	assert.NoError(t, err)
-	defer os.RemoveAll(tmp)
+	tmp := t.TempDir()
 
 	emptyFilename := filepath.Join(tmp, "empty.jwlibrary")
 	leftFilename := filepath.Join(tmp, "left.jwlibrary")

cmd/merge_test.go

@@ -6,8 +6,6 @@ package cmd
 import (
 	"bytes"
 	"database/sql"
-	"io/ioutil"
-	"os"
 	"path/filepath"
 	"testing"
 
@@ -22,9 +20,7 @@ import (
 func Test_merge(t *testing.T) {
 	t.Parallel()
 
-	tmp, err := ioutil.TempDir("", "go-jwlm")
-	assert.NoError(t, err)
-	defer os.RemoveAll(tmp)
+	tmp := t.TempDir()
 
 	emptyFilename := filepath.Join(tmp, "empty.jwlibrary")
 	leftFilename := filepath.Join(tmp, "left.jwlibrary")

cmd/purge_test.go

@@ -4,8 +4,6 @@
 package cmd
 
 import (
-	"io/ioutil"
-	"os"
 	"path/filepath"
 	"testing"
 
@@ -18,9 +16,7 @@ import (
 func Test_purge(t *testing.T) {
 	t.Parallel()
 
-	tmp, err := ioutil.TempDir("", "go-jwlm")
-	assert.NoError(t, err)
-	defer os.RemoveAll(tmp)
+	tmp := t.TempDir()
 
 	inputFilename := filepath.Join(tmp, "left.jwlibrary")
 	assert.NoError(t, leftDB.ExportJWLBackup(inputFilename))

go.mod

@@ -1,6 +1,6 @@
 module github.com/AndreasSko/go-jwlm
 
-go 1.20
+go 1.24
 
 require (
 	github.com/AlecAivazis/survey/v2 v2.3.2

go.sum

@@ -153,6 +153,7 @@ github.com/google/go-cmp v0.5.1/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/
 github.com/google/go-cmp v0.5.2/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/google/go-cmp v0.5.4/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/google/go-cmp v0.5.7 h1:81/ik6ipDQS2aGcBfIN5dHDB36BwrStyeAQquSYCV4o=
+github.com/google/go-cmp v0.5.7/go.mod h1:n+brtR0CgQNWTVd5ZUFpTBC8YFBDLK/h/bpaJ8/DtOE=
 github.com/google/martian v2.1.0+incompatible/go.mod h1:9I4somxYTbIHy5NJKHRl3wXiIaQGbYVAs8BPL6v8lEs=
 github.com/google/martian/v3 v3.0.0/go.mod h1:y5Zk1BBys9G+gd6Jrk0W3cC1+ELVxBWuIGO+w/tUAp0=
 github.com/google/martian/v3 v3.1.0/go.mod h1:y5Zk1BBys9G+gd6Jrk0W3cC1+ELVxBWuIGO+w/tUAp0=
@@ -336,6 +337,7 @@ golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPh
 golang.org/x/crypto v0.0.0-20210421170649-83a5a9bb288b/go.mod h1:T9bdIzuCu7OtxOm1hfPfRQxPLYneinmdGuTeoZ9dtd4=
 golang.org/x/crypto v0.0.0-20211108221036-ceb1ce70b4fa/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
 golang.org/x/crypto v0.0.0-20220411220226-7b82a4e95df4 h1:kUhD7nTDoI3fVd9G4ORWrbV5NY0liEs/Jg2pv5f+bBA=
+golang.org/x/crypto v0.0.0-20220411220226-7b82a4e95df4/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4=
 golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
 golang.org/x/exp v0.0.0-20190306152737-a1d7652674e8/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
 golang.org/x/exp v0.0.0-20190510132918-efd6b22b2522/go.mod h1:ZjyILWgesfNpC6sMxTJOJm9Kp84zZh5NQWvqDGG3Qr8=

gomobile/CatalogDB_test.go

@@ -1,3 +1,4 @@
+//go:build !windows
 // +build !windows
 
 package gomobile
@@ -6,7 +7,6 @@ import (
 	"crypto/sha256"
 	"fmt"
 	"io"
-	"io/ioutil"
 	"net/http"
 	"net/http/httptest"
 	"os"
@@ -20,15 +20,13 @@ import (
 )
 
 func TestDownloadCatalog(t *testing.T) {
-	tmp, err := ioutil.TempDir("", "go-jwlm")
-	assert.NoError(t, err)
-	defer os.RemoveAll(tmp)
+	tmp := t.TempDir()
 
 	server := httptest.NewServer(http.HandlerFunc(func(rw http.ResponseWriter, req *http.Request) {
 		if strings.Contains(req.URL.String(), "manifest.json") {
 			rw.Write([]byte(`{"version": 1, "current": "164a1c4b-4dbd-4909-8f88-8e7a18c562f2"}`))
 		} else {
-			data, err := ioutil.ReadFile(filepath.Join("../publication/testdata", "catalog.db.gz"))
+			data, err := os.ReadFile(filepath.Join("../publication/testdata", "catalog.db.gz"))
 			assert.NoError(t, err)
 			rw.Write(data)
 		}
@@ -54,17 +52,15 @@ func TestDownloadCatalog(t *testing.T) {
 	// Test error
 	publication.CatalogURL = "https://notvaliddomain.com/%s"
 	dm := DownloadCatalog(filepath.Join(tmp, "catalog.db"))
-	time.Sleep(250 * time.Millisecond)
+	time.Sleep(5 * time.Second)
 	assert.Error(t, dm.err)
 	assert.NotEqual(t, "", dm.Error())
 	assert.True(t, dm.Progress.Done)
 	assert.False(t, dm.DownloadSuccessful())
 }
 
 func TestDownloadManager_CancelDownload(t *testing.T) {
-	tmp, err := ioutil.TempDir("", "go-jwlm")
-	assert.NoError(t, err)
-	defer os.RemoveAll(tmp)
+	tmp := t.TempDir()
 
 	dm := DownloadCatalog(filepath.Join(tmp, "catalog.db"))
 	dm.CancelDownload()
@@ -77,14 +73,13 @@ func TestDownloadManager_CancelDownload(t *testing.T) {
 }
 
 func TestCatalogNeedsUpdate(t *testing.T) {
-	tmp, err := ioutil.TempDir("", "go-jwlm")
-	assert.NoError(t, err)
-	defer os.RemoveAll(tmp)
+	tmp := t.TempDir()
 
 	assert.True(t, CatalogNeedsUpdate("not-valid-path"))
 
 	filePath := filepath.Join(tmp, "catalog.db")
-	_, err = os.Create(filePath)
+	_, err := os.Create(filePath)
+	assert.NoError(t, err)
 
 	assert.False(t, CatalogNeedsUpdate(filePath))
 
@@ -93,12 +88,11 @@ func TestCatalogNeedsUpdate(t *testing.T) {
 }
 
 func TestCatalogExists(t *testing.T) {
-	tmp, err := ioutil.TempDir("", "go-jwlm")
-	assert.NoError(t, err)
-	defer os.RemoveAll(tmp)
+	tmp := t.TempDir()
 
 	filePath := filepath.Join(tmp, "catalog.db")
-	_, err = os.Create(filePath)
+	_, err := os.Create(filePath)
+	assert.NoError(t, err)
 
 	assert.False(t, CatalogExists("not-valid-path"))
 	assert.True(t, CatalogExists(filePath))

gomobile/Database.go

@@ -10,6 +10,8 @@ import (
 // DatabaseWrapper wraps the left, right, and merged
 // Database structs so they can be used with Gomobile.
 type DatabaseWrapper struct {
+	TempDir string
+
 	left   *model.Database
 	right  *model.Database
 	merged *model.Database
@@ -28,6 +30,7 @@ type DatabaseWrapper struct {
 // on the given side.
 func (dbw *DatabaseWrapper) ImportJWLBackup(filename string, side string) error {
 	db := &model.Database{
+		TempDir:       dbw.TempDir,
 		SkipPlaylists: dbw.skipPlaylists,
 	}
 
@@ -58,7 +61,9 @@ func (dbw *DatabaseWrapper) SkipPlaylists(skipPlaylists bool) {
 func (dbw *DatabaseWrapper) Init() {
 	dbw.leftTmp = model.MakeDatabaseCopy(dbw.left)
 	dbw.rightTmp = model.MakeDatabaseCopy(dbw.right)
-	dbw.merged = &model.Database{}
+	dbw.merged = &model.Database{
+		TempDir: dbw.TempDir,
+	}
 	merger.PrepareDatabasesPreMerge(dbw.leftTmp, dbw.rightTmp)
 }
 

gomobile/Database_test.go

@@ -4,8 +4,6 @@
 package gomobile
 
 import (
-	"io/ioutil"
-	"os"
 	"path/filepath"
 	"testing"
 
@@ -39,11 +37,13 @@ func TestDatabaseWrapper_ImportJWLBackup(t *testing.T) {
 				assert.Len(t, dbWrapper.right.Tag, 3)
 				assert.Len(t, dbWrapper.right.TagMap, 3)
 				assert.Len(t, dbWrapper.right.UserMark, 5)
+				assert.Equal(t, dbWrapper.TempDir, dbWrapper.right.TempDir)
 			},
 		},
 		{
 			name: "contains playlists, skip playlists set, import left",
 			dbw: &DatabaseWrapper{
+				TempDir:       t.TempDir(),
 				skipPlaylists: true,
 			},
 			filename: filepath.Join(testdataDir, "backup_withPlaylist.jwlibrary"),
@@ -57,6 +57,7 @@ func TestDatabaseWrapper_ImportJWLBackup(t *testing.T) {
 				assert.Len(t, dbWrapper.left.Tag, 5)
 				assert.Len(t, dbWrapper.left.TagMap, 5)
 				assert.Len(t, dbWrapper.left.UserMark, 5)
+				assert.Equal(t, dbWrapper.TempDir, dbWrapper.left.TempDir)
 			},
 		},
 		{
@@ -89,6 +90,7 @@ func TestDatabaseWrapper_ImportJWLBackup(t *testing.T) {
 	}
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
+			tt.dbw.TempDir = t.TempDir()
 			err := tt.dbw.ImportJWLBackup(tt.filename, tt.side)
 			tt.wantErr(t, err)
 
@@ -125,14 +127,18 @@ func TestDatabaseWrapper_SkipPlaylists(t *testing.T) {
 }
 
 func TestDatabaseWrapper_Init(t *testing.T) {
-	dbw := &DatabaseWrapper{}
+	dbw := &DatabaseWrapper{
+		TempDir: t.TempDir(),
+	}
 
 	assert.NoError(t, dbw.ImportJWLBackup(backupFile, "leftSide"))
 	assert.NoError(t, dbw.ImportJWLBackup(backupFile, "rightSide"))
 
 	dbw.Init()
 
-	assert.True(t, dbw.merged.Equals(&model.Database{}))
+	assert.True(t, dbw.merged.Equals(&model.Database{
+		TempDir: dbw.TempDir,
+	}))
 	assert.True(t, dbw.leftTmp.Equals(dbw.left))
 	assert.True(t, dbw.rightTmp.Equals(dbw.right))
 
@@ -141,9 +147,12 @@ func TestDatabaseWrapper_Init(t *testing.T) {
 
 	dbw.merged = model.MakeDatabaseCopy(dbw.left)
 	dbw.Init()
-	assert.True(t, dbw.merged.Equals(&model.Database{}))
+	assert.True(t, dbw.merged.Equals(&model.Database{
+		TempDir: dbw.TempDir,
+	}))
 	assert.True(t, dbw.leftTmp.Equals(dbw.left))
 	assert.True(t, dbw.rightTmp.Equals(dbw.right))
+	assert.Equal(t, dbw.TempDir, dbw.merged.TempDir)
 }
 
 func TestDatabaseWrapper_DBIsLoaded(t *testing.T) {
@@ -170,9 +179,7 @@ func TestDatabaseWrapper_DBIsLoaded(t *testing.T) {
 }
 
 func TestDatabaseWrapper_ExportMerged(t *testing.T) {
-	tmp, err := ioutil.TempDir("", "go-jwlm")
-	assert.NoError(t, err)
-	defer os.RemoveAll(tmp)
+	tmp := t.TempDir()
 
 	dbw := &DatabaseWrapper{}
 	dbw.merged = &model.Database{}

gomobile/Merge_test.go

@@ -5,8 +5,6 @@ package gomobile
 
 import (
 	"database/sql"
-	"io/ioutil"
-	"os"
 	"path/filepath"
 	"testing"
 
@@ -164,9 +162,7 @@ func Test_MergeNwt(t *testing.T) {
 func Test_MergeNwtDifferentDocID(t *testing.T) {
 	// As the cleanup happens in the PostMerge hook, which is called on export,
 	// we also need to export the merged DB
-	tmp, err := ioutil.TempDir("", "go-jwlm")
-	assert.NoError(t, err)
-	defer os.RemoveAll(tmp)
+	tmp := t.TempDir()
 
 	dbw := DatabaseWrapper{
 		left:  model.MakeDatabaseCopy(leftDBNwtWithDifferentDocID),

model/Database.go

@@ -5,7 +5,6 @@ import (
 	"database/sql"
 	"fmt"
 	"io"
-	"io/ioutil"
 	"os"
 	"path/filepath"
 	"reflect"
@@ -50,6 +49,8 @@ type Database struct {
 	// SkipPlaylists allows to skip prevention of merging if playlists exist in the database.
 	// It is meant as a temporary workaround until merging of playlists is implemented.
 	SkipPlaylists bool
+	// TempDir is used for temporary files. If not set, os.TempDir() will be used.
+	TempDir string
 }
 
 // FetchFromTable tries to fetch a entry with the given ID. If it can't find it
@@ -132,6 +133,8 @@ func MakeDatabaseCopy(db *Database) *Database {
 			cpField.Set(cpSlice)
 		case reflect.Bool:
 			cpField.SetBool(field.Bool())
+		case reflect.String:
+			cpField.SetString(field.String())
 		default:
 			panic(fmt.Sprintf("Field type %T is not supported for copying", tp))
 		}
@@ -221,6 +224,10 @@ func (db *Database) Equals(other *Database) bool {
 			if dbFields.Field(i).Bool() != otherFields.Field(i).Bool() {
 				return false
 			}
+		case reflect.String:
+			if dbFields.Field(i).String() != otherFields.Field(i).String() {
+				return false
+			}
 		default:
 			panic(fmt.Sprintf("field type %T is not supported for checking equality", tp))
 		}
@@ -233,7 +240,7 @@ func (db *Database) Equals(other *Database) bool {
 // included SQLite DB to the Database struct
 func (db *Database) ImportJWLBackup(filename string) error {
 	// Create tmp folder and place all files there
-	tmp, err := ioutil.TempDir("", "go-jwlm")
+	tmp, err := os.MkdirTemp(db.TempDir, "go-jwlm")
 	if err != nil {
 		return errors.Wrap(err, "Error while creating temporary directory")
 	}
@@ -593,7 +600,7 @@ func getSliceCapacity(sqlite *sql.DB, modelType Model) (int, error) {
 // ExportJWLBackup creates a .jwlibrary backup file out of a Database{} struct
 func (db *Database) ExportJWLBackup(filename string) error {
 	// Create tmp folder and place all files there
-	tmp, err := ioutil.TempDir("", "go-jwlm")
+	tmp, err := os.MkdirTemp(db.TempDir, "go-jwlm")
 	if err != nil {
 		return errors.Wrap(err, "Error while creating temporary directory")
 	}
@@ -759,7 +766,7 @@ func insertEntries(sqlite *sql.DB, m []Model) error {
 
 // createEmptySQLiteDB creates a new SQLite database at filename with the base userData.db from JWLibrary
 func createEmptySQLiteDB(filename string) error {
-	if err := ioutil.WriteFile(filename, userDataDatabaseFile, 0644); err != nil {
+	if err := os.WriteFile(filename, userDataDatabaseFile, 0644); err != nil {
 		return errors.Wrap(err, fmt.Sprintf("Error while saving new SQLite database at %s", filename))
 	}