Fix SyncConfig tests that would break on Windows

packages/library-base/src/commonMain/kotlin/io/realm/kotlin/internal/platform/SystemUtils.kt

@@ -59,6 +59,13 @@ public expect val DEVICE_MODEL: String
  */
 public expect val PATH_SEPARATOR: String
 
+/**
+ * Construct a path from individual components
+ */
+public fun pathOf(vararg pathParts: String): String {
+    return pathParts.joinToString(PATH_SEPARATOR)
+}
+
 /**
  * Returns the root directory of the platform's App data.
  */

packages/test-base/src/commonTest/kotlin/io/realm/kotlin/test/common/RealmConfigurationTests.kt

@@ -23,6 +23,7 @@ import io.realm.kotlin.entities.Sample
 import io.realm.kotlin.internal.InternalConfiguration
 import io.realm.kotlin.internal.platform.PATH_SEPARATOR
 import io.realm.kotlin.internal.platform.appFilesDirectory
+import io.realm.kotlin.internal.platform.pathOf
 import io.realm.kotlin.internal.platform.runBlocking
 import io.realm.kotlin.internal.util.CoroutineDispatcherFactory
 import io.realm.kotlin.log.LogLevel
@@ -77,7 +78,7 @@ class RealmConfigurationTests {
     fun with() {
         val config = RealmConfiguration.create(schema = setOf(Sample::class))
         assertEquals(
-            "${appFilesDirectory()}${PATH_SEPARATOR}${Realm.DEFAULT_FILE_NAME}",
+            pathOf(appFilesDirectory(), Realm.DEFAULT_FILE_NAME),
             config.path
         )
         assertEquals(Realm.DEFAULT_FILE_NAME, config.name)
@@ -95,15 +96,15 @@ class RealmConfigurationTests {
     fun defaultPath() {
         val config = RealmConfiguration.create(schema = setOf(Sample::class))
         assertEquals(
-            "${appFilesDirectory()}${PATH_SEPARATOR}${Realm.DEFAULT_FILE_NAME}",
+            pathOf(appFilesDirectory(), Realm.DEFAULT_FILE_NAME),
             config.path
         )
 
         val configFromBuilderWithDefaultName: RealmConfiguration =
             RealmConfiguration.Builder(schema = setOf(Sample::class))
                 .build()
         assertEquals(
-            "${appFilesDirectory()}${PATH_SEPARATOR}${Realm.DEFAULT_FILE_NAME}",
+            pathOf(appFilesDirectory(), Realm.DEFAULT_FILE_NAME),
             configFromBuilderWithDefaultName.path
         )
 
@@ -112,7 +113,7 @@ class RealmConfigurationTests {
                 .name("custom.realm")
                 .build()
         assertEquals(
-            "${appFilesDirectory()}${PATH_SEPARATOR}custom.realm",
+            pathOf(appFilesDirectory(), "custom.realm"),
             configFromBuilderWithCustomName.path
         )
 
@@ -122,7 +123,7 @@ class RealmConfigurationTests {
                 .name("foo.realm")
                 .build()
         assertEquals(
-            "${appFilesDirectory()}${PATH_SEPARATOR}my_dir${PATH_SEPARATOR}foo.realm",
+            pathOf(appFilesDirectory(), "my_dir", "foo.realm"),
             configFromBuilderWithCurrentDir.path
         )
     }
@@ -133,16 +134,16 @@ class RealmConfigurationTests {
         val config = RealmConfiguration.Builder(schema = setOf(Sample::class))
             .directory(realmDir)
             .build()
-        assertEquals("$tmpDir${PATH_SEPARATOR}${Realm.DEFAULT_FILE_NAME}", config.path)
+        assertEquals(pathOf(tmpDir, Realm.DEFAULT_FILE_NAME), config.path)
     }
 
     @Test
     fun directory_withSpace() {
-        val realmDir = tmpDir + "${PATH_SEPARATOR}dir with space"
+        val realmDir = pathOf(tmpDir, "dir with space")
         val config = RealmConfiguration.Builder(schema = setOf(Sample::class))
             .directory(realmDir)
             .build()
-        assertEquals("$realmDir${PATH_SEPARATOR}${Realm.DEFAULT_FILE_NAME}", config.path)
+        assertEquals(pathOf(realmDir, Realm.DEFAULT_FILE_NAME), config.path)
         // Just verifying that we can open the realm
         Realm.open(config).use { }
     }
@@ -158,7 +159,7 @@ class RealmConfigurationTests {
 
     @Test
     fun directory_createIntermediateDirs() {
-        val realmDir = tmpDir + listOf("my", "intermediate", "dir").joinToString(separator = PATH_SEPARATOR, prefix = PATH_SEPARATOR)
+        val realmDir = pathOf(tmpDir, "my", "intermediate", "dir")
         val configBuilder = RealmConfiguration.Builder(schema = setOf(Sample::class))
             .directory(realmDir)
 
@@ -168,7 +169,7 @@ class RealmConfigurationTests {
 
     @Test
     fun directory_isFileThrows() {
-        val tmpFile = "$tmpDir${PATH_SEPARATOR}file"
+        val tmpFile = pathOf(tmpDir, "file")
         platformFileSystem.write(tmpFile.toPath(), mustCreate = true) {
             write(ByteArray(0))
         }
@@ -186,7 +187,7 @@ class RealmConfigurationTests {
     fun directoryAndNameCombine() {
         val realmDir = tmpDir
         val realmName = "my.realm"
-        val expectedPath = "$realmDir${PATH_SEPARATOR}$realmName"
+        val expectedPath = pathOf(realmDir, realmName)
 
         val config =
             RealmConfiguration.Builder(setOf(Sample::class))
@@ -236,7 +237,7 @@ class RealmConfigurationTests {
             .directory(tmpDir)
             .name(name)
             .build()
-        assertEquals("$tmpDir${PATH_SEPARATOR}$name", config.path)
+        assertEquals(pathOf(tmpDir, name), config.path)
         // Just verifying that we can open the realm
         Realm.open(config).use { }
     }

packages/test-base/src/commonTest/kotlin/io/realm/kotlin/test/common/RealmTests.kt

@@ -25,9 +25,9 @@ import io.realm.kotlin.ext.isManaged
 import io.realm.kotlin.ext.isValid
 import io.realm.kotlin.ext.query
 import io.realm.kotlin.ext.version
-import io.realm.kotlin.internal.platform.PATH_SEPARATOR
 import io.realm.kotlin.internal.platform.fileExists
 import io.realm.kotlin.internal.platform.isWindows
+import io.realm.kotlin.internal.platform.pathOf
 import io.realm.kotlin.query.find
 import io.realm.kotlin.test.common.utils.assertFailsWithMessage
 import io.realm.kotlin.test.platform.PlatformUtils
@@ -524,7 +524,7 @@ class RealmTests {
         val anotherRealm = Realm.open(configA)
 
         // Deleting it without having closed it should fail.
-        assertFailsWithMessage<IllegalStateException>("Cannot delete files of an open Realm: '$tempDirA${PATH_SEPARATOR}anotherRealm.realm' is still in use") {
+        assertFailsWithMessage<IllegalStateException>("Cannot delete files of an open Realm: '${pathOf(tempDirA, "anotherRealm.realm")}' is still in use") {
             Realm.deleteRealm(configA)
         }
 

packages/test-sync/src/commonTest/kotlin/io/realm/kotlin/test/mongodb/common/AppConfigurationTests.kt

@@ -17,8 +17,8 @@
 
 package io.realm.kotlin.test.mongodb.common
 
-import io.realm.kotlin.internal.platform.PATH_SEPARATOR
 import io.realm.kotlin.internal.platform.appFilesDirectory
+import io.realm.kotlin.internal.platform.pathOf
 import io.realm.kotlin.internal.platform.runBlocking
 import io.realm.kotlin.log.LogLevel
 import io.realm.kotlin.log.RealmLog
@@ -142,7 +142,7 @@ class AppConfigurationTests {
     @Test
     fun syncRootDirectory() {
         val builder: AppConfiguration.Builder = AppConfiguration.Builder(APP_ID)
-        val expectedRoot = "${appFilesDirectory()}${PATH_SEPARATOR}myCustomDir"
+        val expectedRoot = pathOf(appFilesDirectory(), "myCustomDir")
         val config = builder
             .syncRootDirectory(expectedRoot)
             .build()
@@ -160,7 +160,7 @@ class AppConfigurationTests {
     // the configured `AppConfiguration.syncRootDir`
     @Test
     fun syncRootDirectory_appendDirectoryToPath() = runBlocking {
-        val expectedRoot = "${appFilesDirectory()}${PATH_SEPARATOR}myCustomDir"
+        val expectedRoot = pathOf(appFilesDirectory(), "myCustomDir")
         TestApp("syncRootDirectory_appendDirectoryToPath", builder = {
             it.syncRootDirectory(expectedRoot)
         }).use { app ->
@@ -171,7 +171,7 @@ class AppConfigurationTests {
             // the configured `AppConfiguration.syncRootDir`
             val partitionValue = TestHelper.randomPartitionValue()
             val suffix =
-                "${PATH_SEPARATOR}myCustomDir${PATH_SEPARATOR}mongodb-realm${PATH_SEPARATOR}${user.app.configuration.appId}${PATH_SEPARATOR}${user.id}${PATH_SEPARATOR}s_$partitionValue.realm"
+                pathOf("", "myCustomDir", "mongodb-realm", user.app.configuration.appId, user.id, "s_$partitionValue.realm")
             val config = SyncConfiguration.Builder(user, partitionValue, schema = setOf()).build()
             assertTrue(config.path.endsWith(suffix), "Failed: ${config.path} vs. $suffix")
         }

packages/test-sync/src/commonTest/kotlin/io/realm/kotlin/test/mongodb/common/FlexibleSyncConfigurationTests.kt

@@ -17,6 +17,7 @@ package io.realm.kotlin.test.mongodb.common
 
 import io.realm.kotlin.Realm
 import io.realm.kotlin.internal.platform.PATH_SEPARATOR
+import io.realm.kotlin.internal.platform.pathOf
 import io.realm.kotlin.internal.platform.runBlocking
 import io.realm.kotlin.mongodb.App
 import io.realm.kotlin.mongodb.User
@@ -225,6 +226,6 @@ class FlexibleSyncConfigurationTests {
         val config: SyncConfiguration = SyncConfiguration.Builder(user, setOf())
             .name("custom.realm")
             .build()
-        assertTrue(config.path.endsWith("${app.configuration.appId}${PATH_SEPARATOR}${user.id}${PATH_SEPARATOR}custom.realm"), "Path is: ${config.path}")
+        assertTrue(config.path.endsWith(pathOf(app.configuration.appId, user.id, "custom.realm")), "Path is: ${config.path}")
     }
 }

packages/test-sync/src/commonTest/kotlin/io/realm/kotlin/test/mongodb/common/SyncConfigTests.kt

@@ -30,6 +30,7 @@ import io.realm.kotlin.entities.sync.flx.FlexEmbeddedObject
 import io.realm.kotlin.entities.sync.flx.FlexParentObject
 import io.realm.kotlin.ext.query
 import io.realm.kotlin.internal.platform.createDefaultSystemLogger
+import io.realm.kotlin.internal.platform.pathOf
 import io.realm.kotlin.internal.platform.runBlocking
 import io.realm.kotlin.internal.platform.singleThreadDispatcher
 import io.realm.kotlin.log.LogLevel
@@ -406,7 +407,7 @@ class SyncConfigTests {
 
     private fun verifyName(builder: SyncConfiguration.Builder, expectedFileName: String) {
         val config = builder.build()
-        val suffix = "/mongodb-realm/${config.user.app.configuration.appId}/${config.user.identity}/$expectedFileName"
+        val suffix = pathOf("", "mongodb-realm", config.user.app.configuration.appId, config.user.id, expectedFileName)
         assertTrue(config.path.contains(suffix), "${config.path} failed.")
         assertEquals(expectedFileName, config.name)
     }
@@ -1260,7 +1261,7 @@ class SyncConfigTests {
         val config: SyncConfiguration = SyncConfiguration.Builder(user, partitionValue, setOf())
             .name(fileName)
             .build()
-        val suffix = "/mongodb-realm/${user.app.configuration.appId}/${user.identity}/$fileName"
+        val suffix = pathOf("", "mongodb-realm", user.app.configuration.appId, user.id, fileName)
         assertTrue(config.path.endsWith(suffix), "${config.path} failed.")
         assertEquals(fileName, config.name, "${config.name} failed.")
     }

packages/test-sync/src/commonTest/kotlin/io/realm/kotlin/test/mongodb/common/SyncedRealmTests.kt

@@ -29,6 +29,7 @@ import io.realm.kotlin.entities.sync.flx.FlexEmbeddedObject
 import io.realm.kotlin.entities.sync.flx.FlexParentObject
 import io.realm.kotlin.ext.query
 import io.realm.kotlin.internal.platform.fileExists
+import io.realm.kotlin.internal.platform.pathOf
 import io.realm.kotlin.internal.platform.runBlocking
 import io.realm.kotlin.log.LogLevel
 import io.realm.kotlin.mongodb.App
@@ -548,18 +549,19 @@ class SyncedRealmTests {
         }
     }
 
-    // Currently no good way to delete synced Realms that has been opened.
-    // See https://github.com/realm/realm-core/issues/5542
+    // Currently there isn't a good good way to delete synced Realms that has been opened, but
+    // `Sync.waitForSessionsToTerminate` can be used in some cases.
+    //
+    // See https://github.com/realm/realm-core/issues/5542 for more details
     @Test
     @Suppress("LongMethod")
-    @Ignore
     fun deleteRealm() {
         val fileSystem = FileSystem.SYSTEM
         val user = app.asTestApp.createUserAndLogin()
         val configuration: SyncConfiguration =
             SyncConfiguration.create(user, partitionValue, setOf())
         val syncDir: Path =
-            "${app.configuration.syncRootDirectory}/mongodb-realm/${app.configuration.appId}/${user.identity}".toPath()
+            pathOf(app.configuration.syncRootDirectory, "mongodb-realm", app.configuration.appId, user.id).toPath()
 
         val bgThreadReadyChannel = Channel<Unit>(1)
         val readyToCloseChannel = Channel<Unit>(1)
@@ -590,6 +592,7 @@ class SyncedRealmTests {
             closedChannel.receiveOrFail()
 
             // Delete realm now that it's fully closed.
+            app.sync.waitForSessionsToTerminate()
             Realm.deleteRealm(configuration)
 
             // Lock file should never be deleted.