2019-04-29 21:25:05 +00:00
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// Copyright 2018 The gVisor Authors.
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2018-04-27 17:37:02 +00:00
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package log
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import (
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"encoding/json"
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"testing"
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)
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// Tests that Level can marshal/unmarshal properly.
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func TestLevelMarshal(t *testing.T) {
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lvs := []Level{Warning, Info, Debug}
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for _, lv := range lvs {
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bs, err := lv.MarshalJSON()
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if err != nil {
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t.Errorf("error marshaling %v: %v", lv, err)
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}
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var lv2 Level
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if err := lv2.UnmarshalJSON(bs); err != nil {
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t.Errorf("error unmarshaling %v: %v", bs, err)
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}
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if lv != lv2 {
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t.Errorf("marshal/unmarshal level got %v wanted %v", lv2, lv)
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}
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}
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}
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// Test that integers can be properly unmarshaled.
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func TestUnmarshalFromInt(t *testing.T) {
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tcs := []struct {
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i int
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want Level
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}{
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{0, Warning},
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{1, Info},
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{2, Debug},
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}
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for _, tc := range tcs {
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j, err := json.Marshal(tc.i)
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if err != nil {
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t.Errorf("error marshaling %v: %v", tc.i, err)
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}
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var lv Level
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if err := lv.UnmarshalJSON(j); err != nil {
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t.Errorf("error unmarshaling %v: %v", j, err)
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}
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if lv != tc.want {
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t.Errorf("marshal/unmarshal %v got %v want %v", tc.i, lv, tc.want)
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}
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}
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}
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