public async Task Give_Info_For_Empty_Stream()
{
var key = fixture.NewKey();
var xgroupCreate = new XGROUP.CREATE(key, "group", Offset.EndOfStream, CreateStreamIfNotExists);
await fixture.ExecuteAsync(xgroupCreate).ConfigureAwait(false);
var sut = new XINFO.GROUPS(key);
var groups = await fixture.ExecuteAsync(sut).ConfigureAwait(false);
groups.Select(
group => new
{
group.Name,
group.Consumers,
group.PendingEntries,
group.LastDelivered
}
).Should().Equal(
new
{
Name = new GroupName("group"),
Consumers = 0L,
PendingEntries = 0L,
LastDelivered = Id.Minimum
}
);
}
public async Task Return_Single_Entry()
{
var key = fixture.NewKey();
var group = new GroupName("group-1");
var xadd = new XADD(key, ("name", "value"));
var xgroupCreate = new XGROUP.CREATE(key, group, Offset.FromId(Id.Minimum), NotCreateStream);
await fixture.ExecuteAsync(xadd).ConfigureAwait(false);
await fixture.ExecuteAsync(xgroupCreate).ConfigureAwait(false);
var sut = new XREADGROUP.New(group, "consumer-1", Count.Unbound, NotRequireAcknowledgment, key);
var entries = await fixture.ExecuteAsync(sut).ConfigureAwait(false);
Equals(entries, new Stream(key, new Entry(("name", "value"))));
}
public async Task Exploratory_1()
{
var key = fixture.NewKey();
var group = new GroupName("group-1");
var xadd = new XADD(key, ("name", "value"));
var xgroupCreate = new XGROUP.CREATE(key, group, Offset.FromId(Id.Minimum), NotCreateStream);
await fixture.ExecuteAsync(xadd).ConfigureAwait(false);
await fixture.ExecuteAsync(xgroupCreate).ConfigureAwait(false);
var @new = new PlainCommand("XREADGROUP", "GROUP", "group-1", "consumer", "STREAMS", key.ToBytes(), ">")
.WithResponseStructure(CompositeVisitors.StreamEntriesList);
var entries = await fixture.ExecuteAsync(@new).ConfigureAwait(false);
Equals(entries, new Stream(key, new Entry(("name", "value"))));
}
public async Task Useless_Dollar()
{
var key = fixture.NewKey();
const string group = "group";
var xgroupCreate = new XGROUP.CREATE(key, group, Offset.FromId(Id.Minimum), CreateStreamIfNotExists);
await fixture.ExecuteAsync(xgroupCreate).ConfigureAwait(false);
var sut = new PlainCommand("XREADGROUP", "GROUP", group, "consumer", "STREAMS", key.ToBytes(), "$");
var response = await fixture.ExecuteAsync(sut).ConfigureAwait(false);
response.Should().Be(
new Error(
"ERR The $ ID is meaningless in the context of XREADGROUP: "
+ "you want to read the history of this consumer by specifying "
+ "a proper ID, or use the > ID to get new messages. The $ ID "
+ "would just return an empty result set."
)
);
}
public async Task Return_Error_When_Any_Of_Streams_Does_Not_Exists()
{
var key = fixture.NewKey();
const string group = "group";
var xgroupCreate = new XGROUP.CREATE(key, group, Offset.FromId(Id.Minimum), CreateStreamIfNotExists);
await fixture.ExecuteAsync(xgroupCreate).ConfigureAwait(false);
var sut = new XREADGROUP(
group,
"consumer",
Count.Unbound,
(key, Id.Minimum),
("non-existing-key", Id.Minimum)
).WithRawResponse();
var response = await fixture.ExecuteAsync(sut).ConfigureAwait(false);
response.Should().Be(
new Error("NOGROUP No such key 'non-existing-key' or consumer group 'group' in XREADGROUP with GROUP option")
);
}
public async Task Not_Block_If_One_Of_Ids_Is_Not_Greater_Than()
{
var key1 = fixture.NewKey("key1");
var key2 = fixture.NewKey("key2");
const string group = "group";
foreach (var key in new[] { key1, key2 })
{
var xgroupCreate = new XGROUP.CREATE(key, group, Offset.FromId(Id.Minimum), CreateStreamIfNotExists);
await fixture.ExecuteAsync(xgroupCreate).ConfigureAwait(false);
}
var sut = new PlainCommand(
"XREADGROUP",
"GROUP",
"group",
"consumer",
"BLOCK",
"0",
"STREAMS",
key1.ToBytes(),
key2.ToBytes(),
">",
"100"
);
var response = await fixture.ExecuteAsync(sut).ConfigureAwait(false);
response.Should().Be(
new PlainArray(
new PlainArray(
key2.ToBulkString(BulkStringFactory.Plain),
Array.Empty
) as DataType
)
);
}
