public async Task GetSortedBridgesReturnsSortedBridgesCollection()
{
// Arrange
var options = new DbContextOptionsBuilder <GeojamDbContext>()
.UseInMemoryDatabase(nameof(GetSortedBridgesReturnsSortedBridgesCollection))
.Options;
var dbContext = new GeojamDbContext(options);
GenerateDbContext(dbContext);
var hikerProvider = new HikerProvider(dbContext, null, mapper);
var bridgesProvider = new BridgesProvider(dbContext, null, mapper, hikerProvider, null);
var bridges = await bridgesProvider.GetBridgesAsync();
// Act
var actual = await bridgesProvider.GetSortedBridgesAsync(bridges.Bridges.ToArray());
Assert.True(actual.IsSuccess);
Assert.Null(actual.ErrorMessage);
Assert.True(actual.SortedBridges.Any());
Assert.Equal(actual.SortedBridges.Count(), dbContext.Bridges.Count());
for (int i = 1; i < actual.SortedBridges.Count; i++)
{
Assert.True(actual.SortedBridges.Keys[i - 1] <= actual.SortedBridges.Keys[i]);
}
}
public BridgesProvider(GeojamDbContext dbContext, ILogger <BridgesProvider> logger, IMapper mapper, IHikerProvider hikerProvider, IWebHostEnvironment env)
{
this.dbContext = dbContext;
this.logger = logger;
this.mapper = mapper;
this.hikerProvider = hikerProvider;
SeedData(env);
}
public async Task CrossBridgesReturnsTimeToCrossAllBridgesByAllHikers(int dbContextUniqueIndex, int[] includeBridgeIds, double expected)
{
// Arrange
var dbName = $"{nameof(CrossBridgesReturnsTimeToCrossAllBridgesByAllHikers)}{dbContextUniqueIndex}";
var options = new DbContextOptionsBuilder <GeojamDbContext>()
.UseInMemoryDatabase(dbName)
.Options;
var dbContext = new GeojamDbContext(options);
GenerateDbContext(dbContext, includeBridgeIds);
var hikerProvider = new HikerProvider(dbContext, null, mapper);
var bridgesProvider = new BridgesProvider(dbContext, null, mapper, hikerProvider, null);
// Act
var actual = await bridgesProvider.CrossBridgesAsync();
Assert.True(actual.IsSuccess);
Assert.Null(actual.ErrorMessage);
Assert.True(actual.CrossingTime == expected);
}
public async Task GetBridgesReturnsAllBridges()
{
// Arrange
var options = new DbContextOptionsBuilder <GeojamDbContext>()
.UseInMemoryDatabase(nameof(GetBridgesReturnsAllBridges))
.Options;
var dbContext = new GeojamDbContext(options);
GenerateDbContext(dbContext);
var hikerProvider = new HikerProvider(dbContext, null, mapper);
var bridgesProvider = new BridgesProvider(dbContext, null, mapper, hikerProvider, null);
// Act
var actual = await bridgesProvider.GetBridgesAsync();
// Assert
Assert.True(actual.IsSuccess);
Assert.Null(actual.ErrorMessage);
Assert.True(actual.Bridges.Any());
Assert.Equal(actual.Bridges.Count(), dbContext.Bridges.Count());
Assert.IsType <Models.Bridge>(actual.Bridges.First());
}
private void GenerateDbContext(GeojamDbContext dbContext, int[] includeBridgeIds = null)
{
if (includeBridgeIds == null || !includeBridgeIds.Any())
{
includeBridgeIds = bridges.Select(b => b.Id).ToArray();
}
foreach (var bridge in bridges.Where(b => includeBridgeIds.Contains(b.Id)))
{
dbContext.Bridges.Add(bridge);
}
foreach (var hiker in hikers.Where(h => includeBridgeIds.Contains(h.BridgeId)))
{
dbContext.Hikers.Add(hiker);
}
foreach (var bridge in dbContext.Bridges)
{
bridge.Hikers = new List <Db.Hiker>();
bridge.Hikers = dbContext.Hikers.Where(h => h.BridgeId == bridge.Id);
}
dbContext.SaveChanges();
}
public HikerProvider(GeojamDbContext dbContext, ILogger <BridgesProvider> logger, IMapper mapper)
{
this.dbContext = dbContext;
this.logger = logger;
this.mapper = mapper;
}
