public async Task Listings_set_to_result_of_listings_func()
{
var listingsBuilder = new ListingsModelBuilder <StubModel, StubFilter, StubViewModel>();
var EXPECTED = new List <StubModel> {
new StubModel {
Name = "Model 1"
},
new StubModel {
Name = "Model 2"
},
new StubModel {
Name = "Model 3"
}
};
var result = await listingsBuilder.BuildModel(
() => new StubViewModel { Filter = new StubFilter() },
x => Task.FromResult(EXPECTED.Count),
x => Task.FromResult(new List <StubModel> {
EXPECTED[0], EXPECTED[1], EXPECTED[2]
}),
PAGE_TITLE,
PAGE_URL,
new NameValueCollection()
{
{ "size", "15" }, { "pagesize", "15" }
}
).ConfigureAwait(false);
Assert.Equal(EXPECTED.Count, result.Listings.Count);
foreach (var listing in EXPECTED)
{
Assert.True(result.Listings.IndexOf(listing) > -1);
}
}
public async Task Throws_ArgumentException_if_buildInitialState_returns_null()
{
var listingsBuilder = new ListingsModelBuilder <StubModel, StubFilter, StubViewModel>();
await Assert.ThrowsAsync <ArgumentException>(async() => await listingsBuilder.BuildModel(() => null,
x => Task.FromResult(0),
x => Task.FromResult(new List <StubModel>()),
PAGE_TITLE,
PAGE_URL,
new NameValueCollection()).ConfigureAwait(false)).ConfigureAwait(false);
}
public async Task Throws_ArgumentNullException_if_totalListings_is_null()
{
var listingsBuilder = new ListingsModelBuilder <StubModel, StubFilter, StubViewModel>();
await Assert.ThrowsAsync <ArgumentNullException>(async() => await listingsBuilder.BuildModel(
() => new StubViewModel {
Filter = new StubFilter()
},
null,
x => Task.FromResult(new List <StubModel>()),
PAGE_TITLE,
PAGE_URL,
new NameValueCollection()).ConfigureAwait(false)).ConfigureAwait(false);
}
public async Task Throws_ArgumentException_if_pageTitle_is_null_or_empty(string pageTitle)
{
var listingsBuilder = new ListingsModelBuilder <StubModel, StubFilter, StubViewModel>();
await Assert.ThrowsAsync <ArgumentException>(async() => await listingsBuilder.BuildModel(
() => new StubViewModel {
Filter = new StubFilter()
},
x => Task.FromResult(0),
x => Task.FromResult(new List <StubModel>()),
pageTitle,
PAGE_URL,
new NameValueCollection()).ConfigureAwait(false)).ConfigureAwait(false);
}
public async Task Page_title_equals_page_title_parameter_if_no_query()
{
var listingsBuilder = new ListingsModelBuilder <StubModel, StubFilter, StubViewModel>();
var result = await listingsBuilder.BuildModel(
() => new StubViewModel { Filter = new StubFilter() },
x => Task.FromResult(0),
x => Task.FromResult(new List <StubModel>()),
PAGE_TITLE,
PAGE_URL,
new NameValueCollection()
).ConfigureAwait(false);
Assert.Equal(PAGE_TITLE, result.Metadata.PageTitle);
}
public async Task Missing_page_number_defaults_to_1()
{
var listingsBuilder = new ListingsModelBuilder <StubModel, StubFilter, StubViewModel>();
var result = await listingsBuilder.BuildModel(
() => new StubViewModel { Filter = new StubFilter() },
x => Task.FromResult(0),
x => Task.FromResult(new List <StubModel>()),
PAGE_TITLE,
PAGE_URL,
new NameValueCollection()
).ConfigureAwait(false);
Assert.Equal(1, result.Filter.Paging.PageNumber);
}
public async Task Reads_query_from_querystring_into_view_model()
{
var listingsBuilder = new ListingsModelBuilder <StubModel, StubFilter, StubViewModel>();
var result = await listingsBuilder.BuildModel(
() => new StubViewModel { Filter = new StubFilter() },
x => Task.FromResult(0),
x => Task.FromResult(new List <StubModel>()),
PAGE_TITLE,
PAGE_URL,
new NameValueCollection()
{
{ "q", "example" }
}
).ConfigureAwait(false);
Assert.Equal("example", result.Filter.Query);
}
public async Task Page_URL_set_to_pageUrl_parameter()
{
var listingsBuilder = new ListingsModelBuilder <StubModel, StubFilter, StubViewModel>();
var result = await listingsBuilder.BuildModel(
() => new StubViewModel { Filter = new StubFilter() },
x => Task.FromResult(0),
x => Task.FromResult(new List <StubModel>()),
PAGE_TITLE,
PAGE_URL,
new NameValueCollection()
{
{ "size", "15" }, { "pagesize", "15" }
}
).ConfigureAwait(false);
Assert.Equal(PAGE_URL, result.Filter.Paging.PageUrl);
}
public async Task Parses_page_number_from_querystring()
{
var listingsBuilder = new ListingsModelBuilder <StubModel, StubFilter, StubViewModel>();
var result = await listingsBuilder.BuildModel(
() => new StubViewModel { Filter = new StubFilter() },
x => Task.FromResult(0),
x => Task.FromResult(new List <StubModel>()),
PAGE_TITLE,
PAGE_URL,
new NameValueCollection()
{
{ "page", "5" }
}
).ConfigureAwait(false);
Assert.Equal(5, result.Filter.Paging.PageNumber);
}
public async Task Returns_model_from_buildInitialState()
{
var listingsBuilder = new ListingsModelBuilder <StubModel, StubFilter, StubViewModel>();
var initialModel = new StubViewModel {
Filter = new StubFilter()
};
var result = await listingsBuilder.BuildModel(
() => initialModel,
x => Task.FromResult(0),
x => Task.FromResult(new List <StubModel>()),
PAGE_TITLE,
PAGE_URL,
new NameValueCollection()
).ConfigureAwait(false);
Assert.Equal(initialModel, result);
}
public async Task Appends_query_from_querystring_onto_page_title()
{
var listingsBuilder = new ListingsModelBuilder <StubModel, StubFilter, StubViewModel>();
var result = await listingsBuilder.BuildModel(
() => new StubViewModel { Filter = new StubFilter() },
x => Task.FromResult(0),
x => Task.FromResult(new List <StubModel>()),
PAGE_TITLE,
PAGE_URL,
new NameValueCollection()
{
{ "q", "example" }
}
).ConfigureAwait(false);
Assert.StartsWith(PAGE_TITLE, result.Metadata.PageTitle);
Assert.Contains("example", result.Metadata.PageTitle, StringComparison.Ordinal);
}
public async Task Total_results_set_to_result_of_totalListings_func()
{
var listingsBuilder = new ListingsModelBuilder <StubModel, StubFilter, StubViewModel>();
const int EXPECTED = 20;
var result = await listingsBuilder.BuildModel(
() => new StubViewModel { Filter = new StubFilter() },
x => Task.FromResult(EXPECTED),
x => Task.FromResult(new List <StubModel>()),
PAGE_TITLE,
PAGE_URL,
new NameValueCollection()
{
{ "size", "15" }, { "pagesize", "15" }
}
).ConfigureAwait(false);
Assert.Equal(EXPECTED, result.Filter.Paging.Total);
}
