[WIP] Add migration test

Author: sunkup

app/src/androidTest/kotlin/at/bitfire/davdroid/settings/migration/AccountSettingsMigration21Test.kt

@@ -0,0 +1,68 @@
+/*
+ * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.
+ */
+
+package at.bitfire.davdroid.settings.migration
+
+import android.accounts.Account
+import android.content.ContentResolver
+import android.content.SyncRequest
+import android.os.Bundle
+import android.provider.ContactsContract
+import at.bitfire.davdroid.sync.account.TestAccount
+import dagger.hilt.android.testing.HiltAndroidTest
+import org.junit.Assert.assertFalse
+import org.junit.Assert.assertTrue
+import org.junit.Before
+import org.junit.Test
+import javax.inject.Inject
+
+@HiltAndroidTest
+class AccountSettingsMigration21Test {
+
+    @Inject
+    lateinit var migration: AccountSettingsMigration21
+
+    lateinit var account: Account
+
+    @Before
+    fun setUp() {
+        account = TestAccount.create()
+    }
+
+
+    @Test
+    fun testCancelsSyncs() {
+        val authority = ContactsContract.AUTHORITY
+
+        // Build sync request
+        val syncRequest = SyncRequest.Builder()
+            .setSyncAdapter(account, authority)
+            .setExtras(Bundle(1).apply {
+                putBoolean(ContentResolver.SYNC_EXTRAS_UPLOAD, true)
+            })
+            .syncOnce()
+            .build()
+
+        // Request sync
+        ContentResolver.requestSync(syncRequest)
+
+        Thread.sleep(1000)
+
+        // Verify the sync is now pending
+        assertTrue(ContentResolver.isSyncPending(account, authority))
+
+        // Account is not used in migration; it should cancel for all accounts
+        val invalidFakeAccount = Account("","")
+
+        // Run the migration which should cancel the sync
+        migration.migrate(invalidFakeAccount)
+
+        Thread.sleep(1000)
+
+        // Check the sync is not pending anymore
+        assertFalse(ContentResolver.isSyncPending(account, authority))
+
+    }
+
+}