[pkg/queue] Add StartConsumersWithFactory function
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This provides a way to keep state for each consumer of a bounded queue, which is useful in certain performance-critical setups. Fixes jaegertracing#2685. Signed-off-by: Pablo Baeyens <pablo.baeyens@datadoghq.com>
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## master #2714 +/- ##
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+ Coverage 95.73% 95.74% +0.01%
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Files 216 216
Lines 9588 9593 +5
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+ Hits 9179 9185 +6
Misses 336 336
+ Partials 73 72 -1
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yurishkuro
reviewed
Jan 5, 2021
The common part with the assertions was moved to a new `checkQueue` function that is used by `TestBoundedQueue` and `TestBoundedQueueWithFactory`. Signed-off-by: Pablo Baeyens <pablo.baeyens@datadoghq.com>
yurishkuro
reviewed
Jan 6, 2021
yurishkuro
reviewed
Jan 6, 2021
yurishkuro
reviewed
Jan 6, 2021
Signed-off-by: Pablo Baeyens <pablo.baeyens@datadoghq.com>
Refactor unit tests using a `helper` function that takes a function to start consumers. Signed-off-by: Pablo Baeyens <pablo.baeyens@datadoghq.com>
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@yurishkuro Thanks for the comments, I think I addressed everything, hopefully this looks better :) |
yurishkuro
approved these changes
Jan 7, 2021
| @@ -33,7 +33,7 @@ import ( | |||
| // In this test we run a queue with capacity 1 and a single consumer. | |||
| // We want to test the overflow behavior, so we block the consumer | |||
| // by holding a startLock before submitting items to the queue. | |||
| func TestBoundedQueue(t *testing.T) { | |||
| func helper(t *testing.T, startConsumers func(q *BoundedQueue, consumerFn func(item interface{}))) { | |||
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hehe, I didn't mean the name helper literally, was just too lazy to type what you had, but that's fine.
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hahaha, I couldn't come up with anything better so I left it like you said 😄
| @@ -112,6 +112,18 @@ func TestBoundedQueue(t *testing.T) { | |||
| assert.False(t, q.Produce("x"), "cannot push to closed queue") | |||
| } | |||
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| func TestBoundedQueue(t *testing.T) { | |||
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much cleaner, minimal changes
bhiravabhatla
pushed a commit
to bhiravabhatla/jaeger
that referenced
this pull request
Jan 25, 2021
) * [pkg/queue] Add `StartConsumersWithFactory` function This provides a way to keep state for each consumer of a bounded queue, which is useful in certain performance-critical setups. Fixes jaegertracing#2685. Signed-off-by: Pablo Baeyens <pablo.baeyens@datadoghq.com> * Refactor bounded queue tests to extract common parts The common part with the assertions was moved to a new `checkQueue` function that is used by `TestBoundedQueue` and `TestBoundedQueueWithFactory`. Signed-off-by: Pablo Baeyens <pablo.baeyens@datadoghq.com> * Use http.HandlerFunc pattern for getting a Consumer from a callback Signed-off-by: Pablo Baeyens <pablo.baeyens@datadoghq.com> * Address review comment about unit tests Refactor unit tests using a `helper` function that takes a function to start consumers. Signed-off-by: Pablo Baeyens <pablo.baeyens@datadoghq.com>
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Which problem is this PR solving?
Short description of the changes
StartConsumersWithFactoryfunction to allow for keeping state per-consumer.StartConsumerswith a dummy factory function.