public async Task PostsWithCorrectBodyAndContentType()
{
var responseToken = new OAuthToken(null, null, null);
var response = Substitute.For <IApiResponse <OAuthToken> >();
response.Body.Returns(responseToken);
var connection = Substitute.For <IConnection>();
connection.BaseAddress.Returns(new Uri("https://oauth.pipedrive.com/"));
Uri calledUri = null;
FormUrlEncodedContent calledBody = null;
Uri calledHostAddress = null;
connection.Post <OAuthToken>(
Arg.Do <Uri>(uri => calledUri = uri),
Arg.Do <object>(body => calledBody = body as FormUrlEncodedContent),
"application/json",
null,
Arg.Do <Uri>(uri => calledHostAddress = uri))
.Returns(_ => Task.FromResult(response));
var client = new OAuthClient(connection);
var token = await client.CreateAccessToken(new OAuthAccessTokenRequest(
"secretid",
"secretsecret",
"code",
new Uri("https://example.com/foo")));
Assert.Same(responseToken, token);
Assert.Equal("oauth/token", calledUri.ToString());
Assert.NotNull(calledBody);
Assert.Equal("https://oauth.pipedrive.com/", calledHostAddress.ToString());
Assert.Equal(
"client_id=secretid&client_secret=secretsecret&grant_type=authorization_code&code=code&redirect_uri=https%3A%2F%2Fexample.com%2Ffoo",
await calledBody.ReadAsStringAsync());
}