Create test for ensureOutboundSession function.

matrix-sdk-android/src/androidTest/java/org/matrix/android/sdk/internal/crypto/CryptoServiceTest.kt

@@ -0,0 +1,62 @@
+/*
+ * Copyright 2020 The Matrix.org Foundation C.I.C.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.matrix.android.sdk.internal.crypto
+
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import org.junit.FixMethodOrder
+import org.junit.Test
+import org.junit.runner.RunWith
+import org.junit.runners.MethodSorters
+import org.matrix.android.sdk.InstrumentedTest
+import org.matrix.android.sdk.common.CommonTestHelper
+import org.matrix.android.sdk.common.CryptoTestHelper
+import org.matrix.android.sdk.common.SessionTestParams
+import org.matrix.android.sdk.common.TestConstants
+import kotlin.test.assertTrue
+
+@RunWith(AndroidJUnit4::class)
+@FixMethodOrder(MethodSorters.JVM)
+class CryptoServiceTest : InstrumentedTest {
+
+    private val mTestHelper = CommonTestHelper(context())
+    private val mCryptoTestHelper = CryptoTestHelper(mTestHelper)
+
+    @Test
+    fun ensure_outbound_session_happy_path() {
+        val aliceSession = mTestHelper.createAccount(TestConstants.USER_ALICE, SessionTestParams(true))
+        val bobSession = mTestHelper.createAccount(TestConstants.USER_ALICE, SessionTestParams(true))
+
+        // Initialize cross signing on both
+        mCryptoTestHelper.initializeCrossSigning(aliceSession)
+        mCryptoTestHelper.initializeCrossSigning(bobSession)
+
+        val roomId = mCryptoTestHelper.createDM(aliceSession, bobSession)
+        mCryptoTestHelper.verifySASCrossSign(aliceSession, bobSession, roomId)
+
+        aliceSession.cryptoService().ensureOutboundSession(roomId)
+
+        assertTrue(
+                aliceSession
+                        .cryptoService()
+                        .getGossipingEvents()
+                        .map { it.senderId }
+                        .containsAll(
+                                listOf(aliceSession.myUserId, bobSession.myUserId)
+                        )
+        )
+    }
+}