Add some tests

Author: tiennou

ObjectiveGitTests/GTRepositoryStashingSpec.m

@@ -120,6 +120,80 @@
 	expect(@(lastIndex)).to(equal(@2));
 });
 
+it(@"should apply stashes", ^{
+	expect(@([@"foobar" writeToURL:[repository.fileURL URLByAppendingPathComponent:@"new-test-file"] atomically:YES encoding:NSUTF8StringEncoding error:NULL])).to(beTruthy());
+
+	NSError *error = nil;
+	GTCommit *stash = [repository stashChangesWithMessage:nil flags:GTRepositoryStashFlagIncludeUntracked error:&error];
+	expect(stash).notTo(beNil());
+	expect(error).to(beNil());
+
+	__block BOOL progressCalled = NO;
+	BOOL success = [repository applyStashAtIndex:0 flags:GTRepositoryStashApplyFlagDefault error:&error progressBlock:^void(GTRepositoryStashApplyProgress step, BOOL *stop) {
+		progressCalled = YES;
+	}];
+	expect(@(success)).to(beTruthy());
+	expect(@(progressCalled)).to(beTruthy());
+	expect(error).to(beNil());
+
+	expect([NSString stringWithContentsOfURL:[repository.fileURL URLByAppendingPathComponent:@"new-test-file"] encoding:NSUTF8StringEncoding error:NULL]).to(equal(@"foobar"));
+});
+
+
+it(@"should drop stashes", ^{
+	expect(@([@"foobar" writeToURL:[repository.fileURL URLByAppendingPathComponent:@"new-test-file"] atomically:YES encoding:NSUTF8StringEncoding error:NULL])).to(beTruthy());
+
+	NSError *error = nil;
+	GTCommit *stash = [repository stashChangesWithMessage:nil flags:GTRepositoryStashFlagIncludeUntracked error:&error];
+	expect(stash).notTo(beNil());
+	expect(error).to(beNil());
+
+	BOOL success = [repository dropStashAtIndex:0 error:&error];
+	expect(@(success)).to(beTruthy());
+	expect(error).to(beNil());
+});
+
+it(@"should fail to apply/drop unknown stashes", ^{
+	NSError *error = nil;
+	BOOL success = NO;
+
+	__block NSUInteger lastStashIndex = 0;
+	[repository enumerateStashesUsingBlock:^(NSUInteger index, NSString * __nullable message, GTOID * __nullable oid, BOOL * __nonnull stop) {
+		lastStashIndex = index;
+	}];
+
+	success = [repository applyStashAtIndex:(lastStashIndex + 1) flags:GTRepositoryStashApplyFlagDefault error:&error progressBlock:nil];
+	expect(@(success)).to(beFalsy());
+	expect(error).notTo(beNil());
+	expect(error.domain).to(equal(GTGitErrorDomain));
+	expect(@(error.code)).to(equal(@(GIT_ENOTFOUND)));
+
+	success = [repository dropStashAtIndex:(lastStashIndex + 1) error:&error];
+	expect(@(success)).to(beFalsy());
+	expect(error).notTo(beNil());
+	expect(error.domain).to(equal(GTGitErrorDomain));
+	expect(@(error.code)).to(equal(@(GIT_ENOTFOUND)));
+});
+
+it(@"should fail to apply conflicting stashes", ^{
+	expect(@([@"foobar" writeToURL:[repository.fileURL URLByAppendingPathComponent:@"new-test-file"] atomically:YES encoding:NSUTF8StringEncoding error:NULL])).to(beTruthy());
+
+	NSError *error = nil;
+	GTCommit *stash = [repository stashChangesWithMessage:nil flags:GTRepositoryStashFlagIncludeUntracked error:&error];
+	expect(stash).notTo(beNil());
+	expect(error).to(beNil());
+
+
+	expect(@([@"barfoo" writeToURL:[repository.fileURL URLByAppendingPathComponent:@"new-test-file"] atomically:YES encoding:NSUTF8StringEncoding error:NULL])).to(beTruthy());
+
+	BOOL success = [repository applyStashAtIndex:0 flags:GTRepositoryStashApplyFlagDefault error:&error progressBlock:nil];
+	expect(@(success)).to(beFalsy());
+	expect(error).notTo(beNil());
+
+	expect(error.domain).to(equal(GTGitErrorDomain));
+	expect(@(error.code)).to(equal(@(GIT_ECONFLICT)));
+});
+
 afterEach(^{
 	[self tearDown];
 });