public async void Should_return_updated_html()
{
//ASSEMBLE - fake data including a string template and a valid looking web request
// construct some values to inject into the method, important to know these values
// ahead of time so we can later assert if they exist in the output
var fakeHtmlTemplate = TestFactory.TestHtmlTemplate();
var fakeJson = new
{
value1 = "TestInput1",
value2 = "TestInput2",
value3 = DateTime.Now.ToString(),
value4 = "TestInput4"
};
var request = TestFactory.CreateValidHtmlContentRequest(fakeJson);
//ACT - send our assembled test data into the method we are testing
var response = await ReplaceHtmlContent.Run(request, logger, fakeHtmlTemplate);
//ASSERT - check response against expected
// here we can check if all of the strings we wanted to be injected to the output
// are present
string responseBodyString = await response.Content.ReadAsStringAsync();
bool string1Present = responseBodyString.Contains(fakeJson.value1);
bool string2Present = responseBodyString.Contains(fakeJson.value2);
bool string3Present = responseBodyString.Contains(fakeJson.value3);
bool string4Present = responseBodyString.Contains(fakeJson.value4);
Assert.True(string1Present);
Assert.True(string2Present);
Assert.True(string3Present);
Assert.True(string4Present);
}
public async void Should_ignore_keys_that_do_not_exist_in_html()
{
//ASSEMBLE - a normal test except we provide a json value that should not make
// it into the final output
var fakeHtmlTemplate = TestFactory.TestHtmlTemplate();
var fakeJson = new
{
value1 = "TestInput1",
value2 = "TestInput2",
value3 = DateTime.Now.ToString(),
value999999 = "TestInput4"
};
var request = TestFactory.CreateValidHtmlContentRequest(fakeJson);
//ACT - send our assembled test data into the method we are testing
var response = await ReplaceHtmlContent.Run(request, logger, fakeHtmlTemplate);
//ASSERT - check response against expected
// here we can check if all of the strings we wanted to be injected to the output
// are present
string responseBodyString = await response.Content.ReadAsStringAsync();
bool string1Present = responseBodyString.Contains(fakeJson.value1);
bool string2Present = responseBodyString.Contains(fakeJson.value2);
bool string3Present = responseBodyString.Contains(fakeJson.value3);
bool string4Present = responseBodyString.Contains(fakeJson.value999999);
Assert.True(string1Present);
Assert.True(string2Present);
Assert.True(string3Present);
Assert.False(string4Present);
}
public async void Should_handle_null_request()
{
//ASSEMBLE - empty template but empty json
var fakeHtmlTemplate = TestFactory.TestHtmlTemplate();
var fakeJson = new { };
var request = TestFactory.CreateValidHtmlContentRequest(fakeJson);
//ACT - send our assembled test data into the method we are testing
var response = await ReplaceHtmlContent.Run(null, logger, fakeHtmlTemplate);
//ASSERT
string responseBodyString = await response.Content.ReadAsStringAsync();
Assert.Equal("Poorly formatted request", responseBodyString);
}
public async void Should_ignore_bad_json()
{
//ASSEMBLE - empty template but bad json
var fakeHtmlTemplate = TestFactory.TestHtmlTemplate();
var badJson = " { {'bad':json }}}} format }";
var request = TestFactory.CreateCorruptHtmlContentRequest(badJson);
//ACT - send our assembled test data into the method we are testing
var response = await ReplaceHtmlContent.Run(request, logger, fakeHtmlTemplate);
//ASSERT - check that the response catches this specific scenario and doesnt cause any exceptions along
// the way
string responseBodyString = await response.Content.ReadAsStringAsync();
Assert.Equal("Invalid JSON provided", responseBodyString);
}
public async void Should_handle_null_logger()
{
//ASSEMBLE - empty template but empty json
var fakeHtmlTemplate = TestFactory.TestHtmlTemplate();
var fakeJson = new { };
var request = TestFactory.CreateValidHtmlContentRequest(fakeJson);
try
{
//ACT - send our assembled test data into the method we are testing
var response = await ReplaceHtmlContent.Run(request, null, fakeHtmlTemplate);
}
catch (ArgumentException)
{
Assert.True(true);
}
}
public async void Should_return_not_modified_html_if_unchanged()
{
//ASSEMBLE - instantiate a valid html template and try to update a value that
// does not exist in it. you should still receive the same html with a not-modified status
// to help indicate a value provided cant be inserted
var fakeHtmlTemplate = TestFactory.TestHtmlTemplate();
var fakeJson = new
{
valueThatdoesntExistInTemplate = "TestInput1",
};
var request = TestFactory.CreateValidHtmlContentRequest(fakeJson);
//ACT - send our assembled test data into the method we are testing
var response = await ReplaceHtmlContent.Run(request, logger, fakeHtmlTemplate);
//ASSERT -
string responseBodyString = await response.Content.ReadAsStringAsync();
Assert.Equal(HttpStatusCode.NotModified, response.StatusCode);
}