From 7ae6410f3714cb56d337213fb47afddbb5935cf9 Mon Sep 17 00:00:00 2001
From: manuroe <manu@matrix.org>
Date: Mon, 10 Oct 2016 18:00:54 +0200
Subject: OLMKit: Add tests for OLMInboundGroupSession and
 OLMOutboundGroupSession

---
 xcode/OLMKitTests/OLMKitGroupTests.m | 76 +++++++++++++++++++++++++++++-------
 1 file changed, 61 insertions(+), 15 deletions(-)

(limited to 'xcode/OLMKitTests/OLMKitGroupTests.m')

diff --git a/xcode/OLMKitTests/OLMKitGroupTests.m b/xcode/OLMKitTests/OLMKitGroupTests.m
index bcf83ef..9f5ad10 100644
--- a/xcode/OLMKitTests/OLMKitGroupTests.m
+++ b/xcode/OLMKitTests/OLMKitGroupTests.m
@@ -1,13 +1,25 @@
-//
-//  OLMKitGroupTests.m
-//  OLMKit
-//
-//  Created by Emmanuel ROHEE on 10/10/16.
-//  Copyright © 2016 matrix.org. All rights reserved.
-//
+/*
+ Copyright 2016 OpenMarket Ltd
+
+ 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.
+ */
 
 #import <XCTest/XCTest.h>
 
+#import <OLMKit/OLMKit.h>
+
+#include "olm/olm.h"
+
 @interface OLMKitGroupTests : XCTestCase
 
 @end
@@ -24,16 +36,50 @@
     [super tearDown];
 }
 
-- (void)testExample {
-    // This is an example of a functional test case.
-    // Use XCTAssert and related functions to verify your tests produce the correct results.
+- (void)testAliceAndBob {
+
+    OLMOutboundGroupSession *aliceSession = [[OLMOutboundGroupSession alloc] initOutboundGroupSession];
+    XCTAssertGreaterThan(aliceSession.sessionIdentifier.length, 0);
+    XCTAssertGreaterThan(aliceSession.sessionKey.length, 0);
+    XCTAssertEqual(aliceSession.messageIndex, 0);
+
+    // Store the session key before starting encrypting
+    NSString *sessionKey = aliceSession.sessionKey;
+
+    NSString *message = @"Hello!";
+    NSString *aliceToBobMsg = [aliceSession encryptMessage:message];
+
+    XCTAssertEqual(aliceSession.messageIndex, 1);
+    XCTAssertGreaterThanOrEqual(aliceToBobMsg.length, 0);
+
+    OLMInboundGroupSession *bobSession = [[OLMInboundGroupSession alloc] initInboundGroupSessionWithSessionKey:sessionKey];
+    XCTAssertEqualObjects(aliceSession.sessionIdentifier, bobSession.sessionIdentifier);
+
+    NSString *plaintext = [bobSession decryptMessage:aliceToBobMsg];
+    XCTAssertEqualObjects(message, plaintext);
+}
+
+- (void)testOutboundGroupSessionSerialization {
+
+    OLMOutboundGroupSession *aliceSession = [[OLMOutboundGroupSession alloc] initOutboundGroupSession];
+
+    NSData *aliceData = [NSKeyedArchiver archivedDataWithRootObject:aliceSession];
+    OLMOutboundGroupSession *aliceSession2 = [NSKeyedUnarchiver unarchiveObjectWithData:aliceData];
+
+    XCTAssertEqualObjects(aliceSession2.sessionKey, aliceSession.sessionKey);
+    XCTAssertEqualObjects(aliceSession2.sessionIdentifier, aliceSession.sessionIdentifier);
 }
 
-- (void)testPerformanceExample {
-    // This is an example of a performance test case.
-    [self measureBlock:^{
-        // Put the code you want to measure the time of here.
-    }];
+- (void)testInboundGroupSessionSerialization {
+
+    OLMOutboundGroupSession *aliceSession = [[OLMOutboundGroupSession alloc] initOutboundGroupSession];
+
+    OLMInboundGroupSession *bobSession = [[OLMInboundGroupSession alloc] initInboundGroupSessionWithSessionKey:aliceSession.sessionKey];
+
+    NSData *bobData = [NSKeyedArchiver archivedDataWithRootObject:bobSession];
+    OLMInboundGroupSession *bobSession2 = [NSKeyedUnarchiver unarchiveObjectWithData:bobData];
+
+    XCTAssertEqualObjects(bobSession2.sessionIdentifier, aliceSession.sessionIdentifier);
 }
 
 @end
-- 
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