go-pattern-examples/gomore/retrier/classifier_test.go

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2020-05-03 05:52:05 +03:00
package retrier
import (
"errors"
"testing"
)
var (
errFoo = errors.New("FOO")
errBar = errors.New("BAR")
errBaz = errors.New("BAZ")
)
func TestDefaultClassifier(t *testing.T) {
c := DefaultClassifier{}
if c.Classify(nil) != Succeed {
t.Error("default misclassified nil")
}
if c.Classify(errFoo) != Retry {
t.Error("default misclassified foo")
}
if c.Classify(errBar) != Retry {
t.Error("default misclassified bar")
}
if c.Classify(errBaz) != Retry {
t.Error("default misclassified baz")
}
}
func TestWhitelistClassifier(t *testing.T) {
c := WhitelistClassifier{errFoo, errBar}
if c.Classify(nil) != Succeed {
t.Error("whitelist misclassified nil")
}
if c.Classify(errFoo) != Retry {
t.Error("whitelist misclassified foo")
}
if c.Classify(errBar) != Retry {
t.Error("whitelist misclassified bar")
}
if c.Classify(errBaz) != Fail {
t.Error("whitelist misclassified baz")
}
}
func TestBlacklistClassifier(t *testing.T) {
c := BlacklistClassifier{errBar}
if c.Classify(nil) != Succeed {
t.Error("blacklist misclassified nil")
}
if c.Classify(errFoo) != Retry {
t.Error("blacklist misclassified foo")
}
if c.Classify(errBar) != Fail {
t.Error("blacklist misclassified bar")
}
if c.Classify(errBaz) != Retry {
t.Error("blacklist misclassified baz")
}
}