public async Task ReactMethodShouldAddReactionInDatabaseIfNotExistsAlready(string title, string description, ReactionType type)
{
var guid = Guid.NewGuid().ToString();
var options = new DbContextOptionsBuilder <ForumDbContext>()
.UseInMemoryDatabase(guid)
.Options;
var db = new ForumDbContext(options);
var dateTimeProvider = new Mock <IDateTimeProvider>();
dateTimeProvider.Setup(dtp => dtp.Now()).Returns(new DateTime(2020, 3, 27));
var post = new Post
{
Id = 1,
Title = title,
Description = description,
CategoryId = 1,
AuthorId = guid,
CreatedOn = dateTimeProvider.Object.Now()
};
await db.Posts.AddAsync(post);
await db.SaveChangesAsync();
var postReactionsService = new PostReactionsService(db, dateTimeProvider.Object);
var result = await postReactionsService.ReactAsync(type, 1, guid);
var actual = await db.PostReactions.FirstOrDefaultAsync();
var expected = new PostReaction
{
Id = 1,
PostId = 1,
Post = post,
AuthorId = guid,
ReactionType = type,
CreatedOn = dateTimeProvider.Object.Now()
};
actual.Should().BeEquivalentTo(expected);
result.Should().BeOfType <ReactionsCountServiceModel>();
}
public async Task ReactMethodShouldChangeReactionToNeutralIfReactionIsClickedTwice(ReactionType type)
{
var guid = Guid.NewGuid().ToString();
var options = new DbContextOptionsBuilder <ForumDbContext>()
.UseInMemoryDatabase(guid)
.Options;
var db = new ForumDbContext(options);
var dateTimeProvider = new Mock <IDateTimeProvider>();
dateTimeProvider.Setup(dtp => dtp.Now()).Returns(new DateTime(2020, 3, 27));
var postReaction = new PostReaction
{
Id = 1,
PostId = 1,
AuthorId = guid,
ReactionType = type,
CreatedOn = dateTimeProvider.Object.Now()
};
await db.PostReactions.AddAsync(postReaction);
await db.SaveChangesAsync();
var postReactionsService = new PostReactionsService(db, dateTimeProvider.Object);
var result = await postReactionsService.ReactAsync(type, 1, guid);
var actual = await db.PostReactions.FirstOrDefaultAsync();
var expected = new PostReaction
{
Id = 1,
PostId = 1,
AuthorId = guid,
ReactionType = ReactionType.Neutral,
CreatedOn = dateTimeProvider.Object.Now(),
ModifiedOn = dateTimeProvider.Object.Now()
};
actual.Should().BeEquivalentTo(expected);
result.Should().BeOfType <ReactionsCountServiceModel>();
}