public async Task GiveAnEmptyInstance_NothingWillHappen()
{
var util = Substitute.For <ISqlServerUtil>();
var vm = new SqlInstancesVm(util, _progressBarProvider, _userPrefPersist);
vm.PropertyChanged += (sender, args) => { Assert.Fail("Should not raise any property change event"); };
await vm.RetrieveDbNamesAsync(null);
await vm.RetrieveDbNamesAsync("");
CollectionAssert.IsEmpty(vm.DbNames);
}
public async Task CanGetDatabaseNames()
{
var util = Substitute.For <ISqlServerUtil>();
util.GetDatabaseNames(Arg.Any <string>()).Returns(DbNames);
var vm = new SqlInstancesVm(util, _progressBarProvider, _userPrefPersist);
await vm.RetrieveDbNamesAsync("MSSQLServer");
CollectionAssert.AreEqual(DbNames, vm.DbNames);
}
public async Task ShouldUpdateTheProgressProperly()
{
var util = Substitute.For <ISqlServerUtil>();
util.GetDatabaseNames(Arg.Any <string>()).Returns(DbNames);
var vm = new SqlInstancesVm(util, _progressBarProvider, _userPrefPersist);
await vm.RetrieveDbNamesAsync("MSSQLServer");
_progressBarProvider.Received(1).Start(false, SqlInstancesVm.RetrivingDbNames);
_progressBarProvider.Received(1).OnCompleted(Arg.Any <string>());
}
public async Task ShouldExcludeSystemDatabases_CaseInsensative()
{
var util = Substitute.For <ISqlServerUtil>();
var dbsWithSystemTables = new List <string>(DbNames);
dbsWithSystemTables.AddRange(ISqlServerUtil.SystemDatabases.Select(r => r.ToUpperInvariant()));
util.GetDatabaseNames(Arg.Any <string>()).Returns(dbsWithSystemTables);
var vm = new SqlInstancesVm(util, _progressBarProvider, _userPrefPersist);
await vm.RetrieveDbNamesAsync("MSSQLServer");
CollectionAssert.AreEqual(DbNames, vm.DbNames);
}