public async Task DeleteMessageAsync_MessageIsDeleted_WhenMessageIsFound()
{
using (var db = new PellokITHomeContext(Utilities.TestDbContextOptions()))
{
#region snippet1
// Arrange
var seedMessages = PellokITHomeContext.GetSeedingArticles();
await db.AddRangeAsync(seedMessages);
await db.SaveChangesAsync();
var recId = 1;
var expectedMessages =
seedMessages.Where(message => message.ID != recId).ToList();
#endregion
#region snippet2
// Act
await db.DeleteArticleAsync(recId);
#endregion
#region snippet3
// Assert
var actualMessages = await db.Articles.AsNoTracking().ToListAsync();
Assert.Equal(
expectedMessages.OrderBy(m => m.ID).Select(m => m.Title),
actualMessages.OrderBy(m => m.ID).Select(m => m.Title));
#endregion
}
}
public async Task DeleteMessageAsync_NoMessageIsDeleted_WhenMessageIsNotFound()
{
using (var db = new PellokITHomeContext(Utilities.TestDbContextOptions()))
{
// Arrange
var expectedMessages = PellokITHomeContext.GetSeedingArticles();
await db.AddRangeAsync(expectedMessages);
await db.SaveChangesAsync();
var recId = 4;
// Act
try
{
await db.DeleteArticleAsync(recId);
}
catch
{
// recId doesn't exist
}
// Assert
var actualMessages = await db.Articles.AsNoTracking().ToListAsync();
Assert.Equal(
expectedMessages.OrderBy(m => m.ID).Select(m => m.Title),
actualMessages.OrderBy(m => m.ID).Select(m => m.Title));
}
}
public async Task DeleteAllMessagesAsync_MessagesAreDeleted()
{
using (var db = new PellokITHomeContext(Utilities.TestDbContextOptions()))
{
// Arrange
var seedMessages = PellokITHomeContext.GetSeedingArticles();
await db.AddRangeAsync(seedMessages);
await db.SaveChangesAsync();
// Act
await db.DeleteAllArticlesAsync();
// Assert
Assert.Empty(await db.Articles.AsNoTracking().ToListAsync());
}
}
public async Task GetMessagesAsync_MessagesAreReturned()
{
using (var db = new PellokITHomeContext(Utilities.TestDbContextOptions()))
{
// Arrange
var expectedMessages = PellokITHomeContext.GetSeedingArticles();
await db.AddRangeAsync(expectedMessages);
await db.SaveChangesAsync();
// Act
var result = await db.GetArticlesAsync();
// Assert
var actualMessages = Assert.IsAssignableFrom <List <Article> >(result);
Assert.Equal(
expectedMessages.OrderBy(m => m.ID).Select(m => m.Title),
actualMessages.OrderBy(m => m.ID).Select(m => m.Title));
}
}