public async IAsyncEnumerable <UnexpandedArticle[]> Producer(string category, int pageSize)
{
if (string.IsNullOrWhiteSpace(category))
{
throw new ArgumentException("Article Category cannot be null or empty", nameof(category));
}
var nextBatch = await _articleList.AlphabeticalList(new ArticleListRequestParameters { Category = category, Limit = pageSize });
bool isNextBatchAvailable;
yield return(nextBatch.Items);
do
{
isNextBatchAvailable = !string.IsNullOrEmpty(nextBatch.Offset);
if (isNextBatchAvailable)
{
nextBatch = await _articleList.AlphabeticalList(new ArticleListRequestParameters
{
Category = category,
Limit = pageSize,
Offset = nextBatch.Offset
});
yield return(nextBatch.Items);
}
} while (isNextBatchAvailable);
}
public async Task Given_An_ArticleCategory_The_Response_Items_Collection_Should_Not_Be_Empty()
{
// Arrange
const string category = "Card_Tips";
_wikiaHttpClient.GetString(Arg.Any <string>(), Arg.Any <Dictionary <string, string> >()).Returns(@"{ ""items"": [ { ""id"": 30438, ""title"": ""\""A\"" Cell Breeding Device"", ""url"": ""/wiki/%22A%22_Cell_Breeding_Device"", ""ns"": 0 }, { ""id"": 239034, ""title"": ""\""A\"" Cell Culture Device"", ""url"": ""/wiki/%22A%22_Cell_Culture_Device"", ""ns"": 0 }, { ""id"": 239035, ""title"": ""\""A\"" Cell Dissemination Bomb"", ""url"": ""/wiki/%22A%22_Cell_Dissemination_Bomb"", ""ns"": 0 }, { ""id"": 48321, ""title"": ""\""A\"" Cell Incubator"", ""url"": ""/wiki/%22A%22_Cell_Incubator"", ""ns"": 0 }, { ""id"": 239033, ""title"": ""\""A\"" Cell Proliferation Device"", ""url"": ""/wiki/%22A%22_Cell_Proliferation_Device"", ""ns"": 0 }, { ""id"": 579181, ""title"": ""\""A\"" Cell Recombination Device"", ""url"": ""/wiki/%22A%22_Cell_Recombination_Device"", ""ns"": 0 }, { ""id"": 615528, ""title"": ""\""A\"" Cell Recomposition Device"", ""url"": ""/wiki/%22A%22_Cell_Recomposition_Device"", ""ns"": 0 }, { ""id"": 32484, ""title"": ""\""A\"" Cell Scatter Burst"", ""url"": ""/wiki/%22A%22_Cell_Scatter_Burst"", ""ns"": 0 }, { ""id"": 396513, ""title"": ""\""A Legendary Ocean\"""", ""url"": ""/wiki/%22A_Legendary_Ocean%22"", ""ns"": 0 }, { ""id"": 396487, ""title"": ""\""Backup Soldier\"""", ""url"": ""/wiki/%22Backup_Soldier%22"", ""ns"": 0 }, { ""id"": 396489, ""title"": ""\""Blade Knight\"""", ""url"": ""/wiki/%22Blade_Knight%22"", ""ns"": 0 }, { ""id"": 396547, ""title"": ""\""Bottomless Trap Hole\"""", ""url"": ""/wiki/%22Bottomless_Trap_Hole%22"", ""ns"": 0 }, { ""id"": 406226, ""title"": ""\""C\"""", ""url"": ""/wiki/%22C%22"", ""ns"": 0 }, { ""id"": 691243, ""title"": ""\""C\"" Ranger Shine Black"", ""url"": ""/wiki/%22C%22_Ranger_Shine_Black"", ""ns"": 0 }, { ""id"": 396370, ""title"": ""\""Call of the Haunted\"" + \""Jinzo\"""", ""url"": ""/wiki/%22Call_of_the_Haunted%22_%2B_%22Jinzo%22"", ""ns"": 0 }, { ""id"": 396481, ""title"": ""\""Ceasefire\"""", ""url"": ""/wiki/%22Ceasefire%22"", ""ns"": 0 }, { ""id"": 90720, ""title"": ""\""Command Knight\"""", ""url"": ""/wiki/%22Command_Knight%22"", ""ns"": 0 }, { ""id"": 397105, ""title"": ""\""Curse of Anubis\"""", ""url"": ""/wiki/%22Curse_of_Anubis%22"", ""ns"": 0 }, { ""id"": 397991, ""title"": ""\""Cyber Dragon\"" Fusion program"", ""url"": ""/wiki/%22Cyber_Dragon%22_Fusion_program"", ""ns"": 0 }, { ""id"": 396452, ""title"": ""\""Dark Hole\"""", ""url"": ""/wiki/%22Dark_Hole%22"", ""ns"": 0 }, { ""id"": 396993, ""title"": ""\""Dark Magician of Chaos\"""", ""url"": ""/wiki/%22Dark_Magician_of_Chaos%22"", ""ns"": 0 }, { ""id"": 396527, ""title"": ""\""Dark Necrofear\"""", ""url"": ""/wiki/%22Dark_Necrofear%22"", ""ns"": 0 }, { ""id"": 396588, ""title"": ""\""Destiny Board\"""", ""url"": ""/wiki/%22Destiny_Board%22"", ""ns"": 0 }, { ""id"": 397103, ""title"": ""\""Dimension Fusion\"""", ""url"": ""/wiki/%22Dimension_Fusion%22"", ""ns"": 0 }, { ""id"": 396416, ""title"": ""\""Dust Tornado\"""", ""url"": ""/wiki/%22Dust_Tornado%22"", ""ns"": 0 } ], ""basepath"": ""https://yugioh.fandom.com"", ""offset"": ""\""Elemental HERO Sparkman's\"" arsenal"" }");
// Act
var result = await _sut.AlphabeticalList(category);
// Assert
result.Items.Should().NotBeEmpty();
}
public async Task Given_Batches_Of_UnexpandedArticles_Should_Process_All_Batches()
{
// Arrange
const int expected = 5;
const int pageSize = 100;
var fixture = new Fixture();
var articleBatch1 = fixture.Build <UnexpandedListArticleResultSet>().With(x => x.Items, new Fixture {
RepeatCount = pageSize
}.Create <UnexpandedArticle[]>()).Create();
var articleBatch2 = fixture.Build <UnexpandedListArticleResultSet>().With(x => x.Items, new Fixture {
RepeatCount = pageSize
}.Create <UnexpandedArticle[]>()).Create();
var articleBatch3 = fixture.Build <UnexpandedListArticleResultSet>().With(x => x.Items, new Fixture {
RepeatCount = pageSize
}.Create <UnexpandedArticle[]>()).Create();
var articleBatch4 = fixture.Build <UnexpandedListArticleResultSet>().With(x => x.Items, new Fixture {
RepeatCount = pageSize
}.Create <UnexpandedArticle[]>()).Create();
var articleBatch5 = fixture.Build <UnexpandedListArticleResultSet>().With(x => x.Items, new Fixture {
RepeatCount = pageSize
}.Create <UnexpandedArticle[]>()).Create();
// Set Last page
articleBatch5.Offset = null;
_articleList
.AlphabeticalList(Arg.Any <ArticleListRequestParameters>())
.ReturnsForAnyArgs
(
articleBatch1,
articleBatch2,
articleBatch3,
articleBatch4,
articleBatch5
);
// Act
var result = await _sut.Producer("category", 500).ToListAsync();
// Assert
result.Count.Should().Be(expected);
}