public void ThrowsExceptionWhenUrlsInCollectionAreMissingFromSourceDocument()
        {
            // Arrange
            var filePath  = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "UtilityFiles\\postmanCollection_ver1.json");
            var fileInput = new FileInfo(filePath);
            var stream    = fileInput.OpenRead();

            // Act
            var requestUrls = OpenApiService.ParseJsonCollectionFile(stream, _logger);

            // Assert
            var message = Assert.Throws <ArgumentException>(() =>
                                                            OpenApiFilterService.CreatePredicate(requestUrls: requestUrls, source: _openApiDocumentMock)).Message;

            Assert.Equal("The urls in the Postman collection supplied could not be found.", message);
        }
        public void ReturnFilteredOpenApiDocumentBasedOnPostmanCollection()
        {
            // Arrange
            var filePath  = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "UtilityFiles\\postmanCollection_ver2.json");
            var fileInput = new FileInfo(filePath);
            var stream    = fileInput.OpenRead();

            // Act
            var requestUrls           = OpenApiService.ParseJsonCollectionFile(stream, _logger);
            var predicate             = OpenApiFilterService.CreatePredicate(requestUrls: requestUrls, source: _openApiDocumentMock);
            var subsetOpenApiDocument = OpenApiFilterService.CreateFilteredDocument(_openApiDocumentMock, predicate);

            // Assert
            Assert.NotNull(subsetOpenApiDocument);
            Assert.NotEmpty(subsetOpenApiDocument.Paths);
            Assert.Equal(3, subsetOpenApiDocument.Paths.Count);
        }