CODEWITHSUNDEEP
c#unit-testingazureazure-cosmosdbmicrosoft-fakes
eigenchris
eigenchris

Reputation: 5821

Creating ResourceResponse objects for unit tests with Azure DocDB

I am using the Microsoft Fakes unit testing framework for testing some methods that make queries to a DocumentDB database.

The DocumentClient class has several methods for making queries to DocDB (such as CreateDocumentAsync()) which return a ResourceResponse<Document> object wrapped up in a Task<T>.

I would like to shim CreateDocumentAsync() for unit testing purposes, however the return type, ResourceResponse<T>, doesn't appear to have a public constructor, despite mention of one in the documentation.

An extremely simplified version of what I want to accomplish is here:

[TestMethod]
public async Task MyTest() {
    using (ShimsContext.Create()) {
        // Arrange
        var docClient = new DocumentClient(new Uri("myUri"), "myKey");
         ShimDocumentClient.AllInstances.CreateDocumentAsyncUriObjectRequestOptionsBoolean =
            (DocumentClient instance, Uri uri, object document, RequestOptions options, bool disableAutomaticGeneration) =>
        {
            ResourceResponse<Document> response = new ResourceResponse<Document>(); // "error: does not contain a constructor that takes zero arguments"
            return response ;
        };

        // Act
        var response = await docClient.CreateDocumentAsync(new Uri("myCollectionUri"), "myDoc");

        // Assert
        Assert.AreEqual(response.StatusCode, HttpStatusCode.OK);
    }
}

How can I create a custom ResrouceResponse<Document> object to return in the shimmed method?

Upvotes: 1

Views: 949

Answers (1)

h0n
h0n

Reputation: 222

As noted in comment. v1.10 of the SDK supports ResourceResponse constructor will no arguments. The packages.config in the project solution should show the version of DocumentDB SDK the project is using:

Upvotes: 3

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