48 lines
1.2 KiB
Elixir
48 lines
1.2 KiB
Elixir
defmodule KafkaexLagExporter.ConsumerOffsetFetcher.Test do
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use ExUnit.Case
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use Patch
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@test_consumer_group_name1 "test_consumer_1"
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@test_consumer_group_name2 "test_consumer_2"
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@test_lags [{0, 23}, {1, 42}, {2, 666}]
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setup do
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patch(
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KafkaexLagExporter.KafkaUtils,
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:get_consumer_group_names,
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fn _ -> [@test_consumer_group_name1, @test_consumer_group_name2] end
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)
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patch(KafkaexLagExporter.KafkaUtils, :lag, fn _, _, _ -> @test_lags end)
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patch(
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KafkaexLagExporter.KafkaUtils,
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:topic_names_for_consumer_groups,
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fn _, _, _ ->
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[
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{@test_consumer_group_name1, ["test_topic_1", "test_topic_2"]},
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{@test_consumer_group_name2, ["test_topic_3"]}
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]
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end
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)
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:ok
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end
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test "should return the calculated lags" do
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test_endpoint = {"test endpoint", 666}
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%{sum: sum, lags: lags} = KafkaexLagExporter.ConsumerOffsetFetcher.get(test_endpoint)
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assert sum == [
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{@test_consumer_group_name1, 1462},
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{@test_consumer_group_name2, 731}
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]
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assert lags == [
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{@test_consumer_group_name1, @test_lags ++ @test_lags},
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{@test_consumer_group_name2, @test_lags}
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]
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end
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end
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