using System;

using System.Configuration;

using System.Linq;

using System.Net;

using NUnit.Framework;

using Serializer;

namespace WebApiTest

{

[TestFixture]

public class Tests

{

private readonly string restService = ConfigurationManager.AppSettings["restService"];

private readonly string apiPath = ConfigurationManager.AppSettings["apiPath"];

private readonly HttpHelpers httpHelpers = new HttpHelpers();

[SetUp]

public void TestSetup()

{

httpHelpers.HttpInvoke(SupportedHttpMethods.DELETE, string.Format("{0}{1}", restService, apiPath));

}

[Test]

public void TestPostProduct()

{

var newContent = "{\"Id\":0,\"Name\":\"Gizmo 4\",\"Price\":99.99}";

var expected = "{\"Id\":4,\"Name\":\"Gizmo 4\",\"Price\":99.99}";

//verify the product to be added does not already exist.

var response = httpHelpers.GetHttpResponseMessage(SupportedHttpMethods.GET,

string.Format("{0}{1}4", restService, apiPath));

Assert.IsFalse(response.IsSuccessStatusCode);

//add the new product

httpHelpers.HttpInvoke(SupportedHttpMethods.POST, string.Format("{0}{1}", restService, apiPath), newContent);

//verify it was added

var actual = httpHelpers.GetHttpContent(string.Format("{0}{1}4", restService, apiPath));

Assert.AreEqual(expected, actual);

}

[Test]

public void TestDeleteProduct()

{

var response = httpHelpers.GetHttpResponseMessage(SupportedHttpMethods.DELETE,

string.Format("{0}{1}1", restService, apiPath));

Assert.IsTrue(response.IsSuccessStatusCode);

response = httpHelpers.GetHttpResponseMessage(SupportedHttpMethods.GET,

string.Format("{0}{1}1", restService, apiPath));

Assert.IsFalse(response.IsSuccessStatusCode);

}

[Test]

public void TestPutProduct()

{

var oldContent = "{\"Id\":1,\"Name\":\"Gizmo 1\",\"Price\":1.99}";

var newContent = "{\"Id\":1,\"Name\":\"The New Title\",\"Price\":99.99}";

//Verify the existing state of product 1

var actual = httpHelpers.GetHttpContent(string.Format("{0}{1}1", restService, apiPath));

Assert.AreEqual(oldContent, actual);

//update product 1

var response = httpHelpers.GetHttpResponseMessage(SupportedHttpMethods.PUT,

string.Format("{0}{1}", restService, apiPath), newContent);

//verify status code

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

//Verify product 1 has been updated.

actual = httpHelpers.GetHttpContent(string.Format("{0}{1}1", restService, apiPath));

Assert.AreEqual(newContent, actual);

}

[Test]

public void TestGetProduct()

{

var expected = "{\"Id\":1,\"Name\":\"Gizmo 1\",\"Price\":1.99}";

var actual = httpHelpers.GetHttpContent(string.Format("{0}{1}1", restService, apiPath));

Assert.AreEqual(expected, actual);

}

[Test]

public void TestGetProducts()

{

var expected = "[{\"Id\":1,\"Name\":\"Gizmo 1\",\"Price\":1.99},{\"Id\":2,\"Name\":\"Gizmo 2\",\"Price\":2.99},{\"Id\":3,\"Name\":\"Gizmo 3\",\"Price\":3.99}]";

var actual = httpHelpers.GetHttpContent(string.Format("{0}{1}", restService, apiPath));

Assert.AreEqual(expected, actual);

}

}

}