micro/debug/log/memory/memory_test.go

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package memory
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import (
"reflect"
"testing"
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"github.com/micro/go-micro/v2/debug/log"
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)
func TestLogger(t *testing.T) {
// set size to some value
size := 100
// override the global logger
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lg := NewLog(log.Size(size))
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// make sure we have the right size of the logger ring buffer
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if lg.(*memoryLog).Size() != size {
t.Errorf("expected buffer size: %d, got: %d", size, lg.(*memoryLog).Size())
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}
// Log some cruft
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lg.Write(log.Record{Message: "foobar"})
lg.Write(log.Record{Message: "foo bar"})
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// Check if the logs are stored in the logger ring buffer
expected := []string{"foobar", "foo bar"}
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entries, _ := lg.Read(log.Count(len(expected)))
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for i, entry := range entries {
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if !reflect.DeepEqual(entry.Message, expected[i]) {
t.Errorf("expected %s, got %s", expected[i], entry.Message)
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}
}
}