public void FetchFunctionShouldBeCalledOnceForGetOrFetchObject()
        {
            int fetchCount = 0;
            var fetcher = new Func<IObservable<Tuple<string, string>>>(() =>
            {
                fetchCount++;
                return Observable.Return(new Tuple<string, string>("Foo", "Bar"));
            });

            string path;
            using(Utility.WithEmptyDirectory(out path))
            {
                using(var fixture = new TPersistentBlobCache(path))
                {
                    var result = fixture.GetOrFetchObject("Test", fetcher).First();
                    Assert.Equal("Foo", result.Item1);
                    Assert.Equal("Bar", result.Item2);
                    Assert.Equal(1, fetchCount);

                    // 2nd time around, we should be grabbing from cache
                    result = fixture.GetOrFetchObject("Test", fetcher).First();
                    Assert.Equal("Foo", result.Item1);
                    Assert.Equal("Bar", result.Item2);
                    Assert.Equal(1, fetchCount);
                }

                using(var fixture = new TPersistentBlobCache(path))
                {
                    var result = fixture.GetOrFetchObject("Test", fetcher).First();
                    Assert.Equal("Foo", result.Item1);
                    Assert.Equal("Bar", result.Item2);
                    Assert.Equal(1, fetchCount);
                }
            }
        }
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        public void ObjectsShouldBeRoundtrippable()
        {
            new TestScheduler().With(sched =>
            {
                string path;
                var input = new UserObject()
                {
                    Bio = "A totally cool cat!", Name = "octocat", Blog = "http://www.github.com"
                };
                UserObject result;

                using (Utility.WithEmptyDirectory(out path))
                {
                    using (var fixture = new TPersistentBlobCache(path))
                    {
                        fixture.InsertObject("key", input);
                    }
                    sched.Start();
                    using (var fixture = new TPersistentBlobCache(path))
                    {
                        var action = fixture.GetObjectAsync <UserObject>("key");
                        sched.Start();
                        result = action.First();
                    }
                }

                Assert.Equal(input.Blog, result.Blog);
                Assert.Equal(input.Bio, result.Bio);
                Assert.Equal(input.Name, result.Name);
            });
        }
        public void ObjectsShouldBeRoundtrippable()
        {
            new TestScheduler().With(sched =>
            {
                string path;
                var input = new UserObject() {Bio = "A totally cool cat!", Name = "octocat", Blog = "http://www.github.com"};
                UserObject result;

                using (Utility.WithEmptyDirectory(out path))
                {
                    using (var fixture = new TPersistentBlobCache(path))
                    {
                        fixture.InsertObject("key", input);
                    }
                    sched.Start();
                    using (var fixture = new TPersistentBlobCache(path))
                    {
                        var action = fixture.GetObjectAsync<UserObject>("key");
                        sched.Start();
                        result = action.First();
                    }
                }

                Assert.Equal(input.Blog, result.Blog);
                Assert.Equal(input.Bio, result.Bio);
                Assert.Equal(input.Name, result.Name);
            });
        }
        public void ArraysShouldBeRoundtrippableUsingObjectFactory()
        {
            new TestScheduler().With(sched =>
            {
                string path;
                var input = new[] {new UserModel(new UserObject()) {Age = 123, Name = "Old"}, new UserModel(new UserObject()) {Age = 123, Name = "Old"}};
                UserModel[] result;

                using (Utility.WithEmptyDirectory(out path))
                {
                    using (var fixture = new TPersistentBlobCache(path))
                    {
                        fixture.InsertObject("key", input);
                    }
                    sched.Start();
                    using (var fixture = new TPersistentBlobCache(path))
                    {
                        var action = fixture.GetObjectAsync<UserModel[]>("key");
                        sched.Start();
                        result = action.First();
                    }
                }

                Assert.Equal(input.First().Age, result.First().Age);
                Assert.Equal(input.First().Name, result.First().Name);
                Assert.Equal(input.Last().Age, result.Last().Age);
                Assert.Equal(input.Last().Name, result.Last().Name);
            });
        }
        public void ArraysShouldBeRoundtrippableUsingObjectFactory()
        {
            new TestScheduler().With(sched =>
            {
                string path;
                var input = new[] { new UserModel(new UserObject())
                                    {
                                        Age = 123, Name = "Old"
                                    }, new UserModel(new UserObject())
                                    {
                                        Age = 123, Name = "Old"
                                    } };
                UserModel[] result;

                using (Utility.WithEmptyDirectory(out path))
                {
                    using (var fixture = new TPersistentBlobCache(path))
                    {
                        fixture.InsertObject("key", input);
                    }
                    sched.Start();
                    using (var fixture = new TPersistentBlobCache(path))
                    {
                        var action = fixture.GetObjectAsync <UserModel[]>("key");
                        sched.Start();
                        result = action.First();
                    }
                }

                Assert.Equal(input.First().Age, result.First().Age);
                Assert.Equal(input.First().Name, result.First().Name);
                Assert.Equal(input.Last().Age, result.Last().Age);
                Assert.Equal(input.Last().Name, result.Last().Name);
            });
        }
        public void ObjectsCanBeCreatedUsingObjectFactory()
        {
            new TestScheduler().With(sched =>
            {
                string path;
                var input = new UserModel(new UserObject())
                {
                    Age = 123, Name = "Old"
                };
                UserModel result;

                using (Utility.WithEmptyDirectory(out path))
                {
                    using (var fixture = new TPersistentBlobCache(path))
                    {
                        fixture.InsertObject("key", input);
                    }
                    sched.Start();
                    using (var fixture = new TPersistentBlobCache(path))
                    {
                        var action = fixture.GetObjectAsync <UserModel>("key");
                        sched.Start();
                        result = action.First();
                    }
                }

                Assert.Equal(input.Age, result.Age);
                Assert.Equal(input.Name, result.Name);
            });
        }
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        public void DownloadUrlTest()
        {
            string path;

            using (Utility.WithEmptyDirectory(out path))
                using (var fixture = new TPersistentBlobCache(path))
                {
                    var bytes = fixture.DownloadUrl(@"https://www.google.com/intl/en_com/images/srpr/logo3w.png").First();
                    Assert.True(bytes.Length > 0);
                }
        }
        public void DownloadUrlTest()
        {
            string path;

            using(Utility.WithEmptyDirectory(out path))
            using(var fixture = new TPersistentBlobCache(path))
            {
                var bytes = fixture.DownloadUrl(@"https://www.google.com/intl/en_com/images/srpr/logo3w.png").First();
                Assert.True(bytes.Length > 0);
            }
        }
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        public void FetchFunctionShouldBeCalledOnceForGetOrFetchObject()
        {
            int fetchCount = 0;
            var fetcher    = new Func <IObservable <Tuple <string, string> > >(() =>
            {
                fetchCount++;
                return(Observable.Return(new Tuple <string, string>("Foo", "Bar")));
            });

            string path;

            using (Utility.WithEmptyDirectory(out path))
            {
                using (var fixture = new TPersistentBlobCache(path))
                {
                    var result = fixture.GetOrFetchObject("Test", fetcher).First();
                    Assert.Equal("Foo", result.Item1);
                    Assert.Equal("Bar", result.Item2);
                    Assert.Equal(1, fetchCount);

                    // 2nd time around, we should be grabbing from cache
                    result = fixture.GetOrFetchObject("Test", fetcher).First();
                    Assert.Equal("Foo", result.Item1);
                    Assert.Equal("Bar", result.Item2);
                    Assert.Equal(1, fetchCount);
                }

                using (var fixture = new TPersistentBlobCache(path))
                {
                    var result = fixture.GetOrFetchObject("Test", fetcher).First();
                    Assert.Equal("Foo", result.Item1);
                    Assert.Equal("Bar", result.Item2);
                    Assert.Equal(1, fetchCount);
                }
            }
        }
        public void FetchFunctionShouldPropagateThrownExceptionAsObservableException()
        {
            var fetcher = new Func<IObservable<Tuple<string, string>>>(() =>
            {
                throw new InvalidOperationException();
            });

            string path;
            using(Utility.WithEmptyDirectory(out path))
            {
                using(var fixture = new TPersistentBlobCache(path))
                {
                    var result = fixture.GetOrFetchObject("Test", fetcher)
                        .Catch(Observable.Return(new Tuple<string, string>("one", "two"))).First();
                    Assert.Equal("one", result.Item1);
                    Assert.Equal("two", result.Item2);
                }
            }
        }
        public void ObjectsCanBeCreatedUsingObjectFactory()
        {
            new TestScheduler().With(sched =>
            {
                string path;
                var input = new UserModel(new UserObject()) {Age = 123, Name = "Old"};
                UserModel result;

                using (Utility.WithEmptyDirectory(out path))
                {
                    using (var fixture = new TPersistentBlobCache(path))
                    {
                        fixture.InsertObject("key", input);
                    }
                    sched.Start();
                    using (var fixture = new TPersistentBlobCache(path))
                    {
                        var action = fixture.GetObjectAsync<UserModel>("key");
                        sched.Start();
                        result = action.First();
                    }
                }

                Assert.Equal(input.Age, result.Age);
                Assert.Equal(input.Name, result.Name);
            });
        }