forked from rook/rook
90 lines
2.4 KiB
Go
90 lines
2.4 KiB
Go
/*
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Copyright 2016 The Rook Authors. All rights reserved.
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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*/
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package util
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import (
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"io/ioutil"
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"os"
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"path"
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"testing"
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"github.com/stretchr/testify/assert"
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)
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func TestTrimMachineID(t *testing.T) {
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testTrimNodeID(t, " 123 ", "123")
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testTrimNodeID(t, " 1234567890", "1234567890")
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testTrimNodeID(t, " 123456789012", "123456789012")
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testTrimNodeID(t, " 1234567890123", "123456789012")
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testTrimNodeID(t, "1234567890123", "123456789012")
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testTrimNodeID(t, "123456789012345678", "123456789012")
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}
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func testTrimNodeID(t *testing.T, input, expected string) {
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result := trimNodeID(input)
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assert.Equal(t, expected, result)
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}
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func TestRandomID(t *testing.T) {
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id := randomID()
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assert.Equal(t, 12, len(id))
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assert.NotEqual(t, "000000000000", id)
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}
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// Test loading the IDs in reverse priority order
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func TestLoadNodeID(t *testing.T) {
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dataDir := "/tmp"
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cachedIDFile := path.Join(dataDir, idFilename)
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defer os.Remove(cachedIDFile)
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// generate a random id
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id, save, err := loadNodeID(dataDir)
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assert.Nil(t, err)
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assert.Equal(t, 12, len(id))
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assert.NotEqual(t, "000000000000", id)
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assert.True(t, save)
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// return an error if the cached id is empty
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err = ioutil.WriteFile(cachedIDFile, []byte(" "), 0644)
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assert.Nil(t, err)
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id, save, err = loadNodeID(dataDir)
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assert.NotNil(t, err)
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assert.False(t, save)
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// return the id in the cached file
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cachedID := "543211234567890"
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err = ioutil.WriteFile(cachedIDFile, []byte(cachedID), 0644)
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assert.Nil(t, err)
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id, save, err = loadNodeID(dataDir)
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assert.Nil(t, err)
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assert.False(t, save)
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assert.Equal(t, cachedID, id)
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}
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func TestSaveNodeID(t *testing.T) {
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dataDir := "/tmp"
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cachedIDFile := path.Join(dataDir, idFilename)
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defer os.Remove(cachedIDFile)
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// confirm that the node id is persisted
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id, err := LoadPersistedNodeID(dataDir)
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assert.Nil(t, err)
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cachedID, err := ioutil.ReadFile(cachedIDFile)
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assert.Nil(t, err)
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assert.Equal(t, id, string(cachedID))
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}
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