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https://github.com/VictoriaMetrics/VictoriaMetrics.git
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43fc1183b9
This makes test code more clear and reduces the number of code lines by 500.
This also simplifies debugging tests. See https://itnext.io/f-tests-as-a-replacement-for-table-driven-tests-in-go-8814a8b19e9e
While at it, consistently use t.Fatal* instead of t.Error* across tests, since t.Error*
requires more boilerplate code, which can result in additional bugs inside tests.
While t.Error* allows writing logging errors for the same, this doesn't simplify fixing
broken tests most of the time.
This is a follow-up for a9525da8a4
54 lines
940 B
Go
54 lines
940 B
Go
package log
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import (
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"bytes"
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"fmt"
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"strings"
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"testing"
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"github.com/VictoriaMetrics/VictoriaMetrics/lib/logger"
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)
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func TestOutput(t *testing.T) {
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testOutput := &bytes.Buffer{}
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logger.SetOutputForTests(testOutput)
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defer logger.ResetOutputForTest()
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log := &Logger{}
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mustMatch := func(exp string) {
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t.Helper()
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if exp == "" {
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if testOutput.String() != "" {
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t.Fatalf("expected output to be empty; got %q", testOutput.String())
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}
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}
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if !strings.Contains(testOutput.String(), exp) {
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t.Fatalf("output %q should contain %q", testOutput.String(), exp)
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}
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fmt.Println(testOutput.String())
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testOutput.Reset()
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}
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log.Warnf("foo")
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mustMatch("foo")
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log.Infof("info %d", 2)
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mustMatch("info 2")
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log.Errorf("error %s %d", "baz", 5)
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mustMatch("error baz 5")
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log.Suppress(true)
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log.Warnf("foo")
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mustMatch("")
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log.Infof("info %d", 2)
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mustMatch("")
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log.Errorf("error %q %d", "baz", 5)
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mustMatch("")
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}
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