I have this controller
[Route("GeocacheAddressObjectList")]
[HttpPost]
public async Task<IHttpActionResult> GeocacheAddressObjectList([FromBody] List<GeocacheAddress> addresses)
{
//check valid addresses
if(addresses == null)
{
return BadRequest("Invalid addresses. The address list object is null!") as IHttpActionResult;
}
ElasticHelper searchHelper = new ElasticHelper(ConfigurationManager.AppSettings["ElasticSearchUri"]);
List<GeocacheAddress> geocodedAddresses = new List<GeocacheAddress>();
// check each address in the addresses list against geocache db
foreach (GeocacheAddress address in addresses)
{
var elasticSearchResult = SearchGeocacheIndex(address);
// found a match
if (elasticSearchResult.Total != 0)
{
SearchProperties standardizedAddressSearch = new SearchProperties();
standardizedAddressSearch.Size = 1;
standardizedAddressSearch.From = 0;
Address elasticSearchResultAddress = elasticSearchResult.Hits.ElementAt(0).Source;
// query the standardized key in geocache db
standardizedAddressSearch.ElasticAddressId = elasticSearchResultAddress.Standardized.ToString();
// the address is already standardized, return the standardized address with its geocode
if (standardizedAddressSearch.ElasticAddressId == "00000000-0000-0000-0000-000000000000")
{
geocodedAddresses.Add(new GeocacheAddress
{
Id = address.Id,
Street = elasticSearchResultAddress.AddressString,
City = elasticSearchResultAddress.City,
State = elasticSearchResultAddress.State,
ZipCode = elasticSearchResultAddress.Zipcode,
Plus4Code = elasticSearchResultAddress.Plus4Code,
Country = elasticSearchResultAddress.Country,
Latitude = elasticSearchResultAddress.Coordinates.Lat,
Longitude = elasticSearchResultAddress.Coordinates.Lon
});
}
else // perform another query using the standardized key
{
Address standardizedAddress = StandardAddressSearch(standardizedAddressSearch).Hits.ElementAt(0).Source;
if (standardizedAddress == null)
{
return BadRequest("No standardized address found in geocache database") as IHttpActionResult;
}
geocodedAddresses.Add(new GeocacheAddress()
{
Id = address.Id,
Street = standardizedAddress.AddressString,
City = standardizedAddress.City,
State = standardizedAddress.State,
ZipCode = standardizedAddress.Zipcode,
Plus4Code = standardizedAddress.Plus4Code,
Country = standardizedAddress.Country,
Latitude = standardizedAddress.Coordinates.Lat,
Longitude = standardizedAddress.Coordinates.Lon
});
}
}
else // not found in geocache db, call SmartStreets API
{
List<Address> address_list = new List<Address>();
using (HttpClient httpClient = new HttpClient())
{
//Send the request and get the response
httpClient.BaseAddress = new System.Uri(ConfigurationManager.AppSettings["GeocodingServiceUri"]);
httpClient.DefaultRequestHeaders.Accept.Add(new System.Net.Http.Headers.MediaTypeWithQualityHeaderValue("application/json"));
//Lookup object to perform Geocoding service call
var postBody = JsonConvert.SerializeObject(new Lookup()
{
MaxCandidates = 1,
Street = address.Street,
City = address.City,
State = address.State,
ZipCode = address.ZipCode
});
var requestContent = new StringContent(postBody, Encoding.UTF8, "application/json");
// Send the request and get the response
var response = await httpClient.PostAsync("GeocodeAddressObject", requestContent);
if (!response.IsSuccessStatusCode) //error handling
{
geocodedAddresses.Add(new GeocacheAddress()
{
Id = address.Id,
Error = response.ReasonPhrase
});
}
Geocode geocodeFromGeocoder = JsonConvert.DeserializeObject<List<Geocode>>(response.Content.ReadAsStringAsync().Result).ElementAt(0);
GeocacheAddress geocodedAddress = new GeocacheAddress()
{
Id = address.Id,
Street = geocodeFromGeocoder.CorrectedAddress,
City = geocodeFromGeocoder.City,
State = geocodeFromGeocoder.State,
ZipCode = geocodeFromGeocoder.Zipcode,
Plus4Code = geocodeFromGeocoder.Plus4Code,
Country = geocodeFromGeocoder.Country,
Latitude = geocodeFromGeocoder.Latitude,
Longitude = geocodeFromGeocoder.Longitude
};
geocodedAddresses.Add(geocodedAddress);
// check each geocoded address against geocache db
Guid standardized_key;
var geocodedAddressResult = SearchGeocacheIndex(geocodedAddress);
// found a match
if (geocodedAddressResult.Total != 0)
{
Address standardizedAddress = geocodedAddressResult.Hits.ElementAt(0).Source;
standardized_key = standardizedAddress.AddressID;
}
else // not found, insert geocode into geocache db
{
Address new_standardized_address = createStandardizedAddress(geocodeFromGeocoder);
standardized_key = new_standardized_address.AddressID;
address_list.Add(new_standardized_address);
}
// insert non-standardized address into geocache db
Address new_nonstandardized_address = createNonStandardizedAddress(address, standardized_key);
address_list.Add(new_nonstandardized_address);
}
searchHelper.BulkIndex<Address>(address_list, "xxx", "xxx");
}
}
return Json(geocodedAddresses, new Newtonsoft.Json.JsonSerializerSettings()) as IHttpActionResult;
}
I am writing a unit test to test some part of this controller.
I want to compare the response received from the controller with the expected value. When i debug the result, it shows the content for the response but I am unable to use content like (result.Content) in the code.
When i try to use this line, then it returns null response.
var result = await controller.GeocacheAddressObjectList(testGeocacheAddress) as OkNegotiatedContentResult<GeocacheAddress>;
Actual unit test code. I would appreciate any help.
[TestMethod]
public async Task TestMethod1()
{
var controller = new GeocachingController();
var testGeocacheAddress = new List<GeocacheAddress>();
testGeocacheAddress.Add(new GeocacheAddress
{
City = "Renton",
});
var result = await controller.GeocacheAddressObjectList(testGeocacheAddress);
var expected = GetGeocacheAddress();
Assert.AreEqual(result.Content.City, expected[0].City);
}
private List<GeocacheAddress> GetGeocacheAddress()
{
var testGeocacheAddress = new List<GeocacheAddress>();
testGeocacheAddress.Add(new GeocacheAddress
{
Id = Guid.Empty,
Street = "365 Renton Center Way SW",
City = "Renton",
State = "WA",
ZipCode = "98057",
Plus4Code = "2324",
Country = "USA",
Latitude = 47.47753,
Longitude = -122.21851,
Error = null
});
return testGeocacheAddress;
}
In your unit test you need to cast the result to JsonResult<T>
, more specifically JsonResult<List<GeocacheAddress>>
as that is what you are returning.
var result = await controller.GeocacheAddressObjectList(testGeocacheAddress) as JsonResult<List<GeocacheAddress>>;
If you were to have used return Ok(geocodedAddresses)
in your controller return ( where you now return the call from Json
) then you could have cast to OkNegotiatedContentResult<List<GeocacheAddress>>
.
Also in your Controller code you do not need to cast the return to IHttpActionResult
because JsonResult<T>
already implements that. The cast is redundant.
That's quite simple to achieve, all you have to do is cast the content you're expecting in your unit test method.
Example:
Controller:
public class FooController : ApiController
{
public IHttpActionResult Get()
{
var foo = "foo";
return Ok(foo);
}
}
Unit test:
[TestMethod]
public void Get_Foo_From_Controller()
{
var fooController = new FooController();
var result = fooController.Get();
//Here we are casting the expected type
var values = (OkNegotiatedContentResult<string>)result;
Assert.AreEqual("Foo", values.Content);
}
By the way, i noticed you're using the async keyword in your controller action but i don't see the await keyword.
Using the async keyword without an await will give you a warning and result in a synchronous operation.
Also, you dont have to cast your response as an IHttpActionResult, you could do something like i showed in my example, wrap your content inside an Ok(your content here) and you're good to go.
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