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ceph-csi/internal/util/csiconfig_test.go

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/*
Copyright 2019 ceph-csi authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package util
import (
"io/ioutil"
"os"
"testing"
)
var (
basePath = "./test_artifacts"
csiClusters = "csi-clusters.json"
pathToConfig = basePath + "/" + csiClusters
clusterID1 = "test1"
clusterID2 = "test2"
)
func cleanupTestData() {
os.RemoveAll(basePath)
}
// TODO: make this function less complex.
func TestCSIConfig(t *testing.T) {
t.Parallel()
var err error
var data string
var content string
defer cleanupTestData()
err = os.MkdirAll(basePath, 0o700)
if err != nil {
t.Errorf("Test setup error %s", err)
}
// TEST: Should fail as clusterid file is missing
_, err = Mons(pathToConfig, clusterID1)
if err == nil {
t.Errorf("Failed: expected error due to missing config")
}
data = ""
err = ioutil.WriteFile(basePath+"/"+csiClusters, []byte(data), 0o600)
if err != nil {
t.Errorf("Test setup error %s", err)
}
// TEST: Should fail as file is empty
content, err = Mons(pathToConfig, clusterID1)
if err == nil {
t.Errorf("Failed: want (%s), got (%s)", data, content)
}
data = "[{\"clusterIDBad\":\"" + clusterID2 + "\",\"monitors\":[\"mon1\",\"mon2\",\"mon3\"]}]"
err = ioutil.WriteFile(basePath+"/"+csiClusters, []byte(data), 0o600)
if err != nil {
t.Errorf("Test setup error %s", err)
}
// TEST: Should fail as clusterID data is malformed
content, err = Mons(pathToConfig, clusterID2)
if err == nil {
t.Errorf("Failed: want (%s), got (%s)", data, content)
}
data = "[{\"clusterID\":\"" + clusterID2 + "\",\"monitorsBad\":[\"mon1\",\"mon2\",\"mon3\"]}]"
err = ioutil.WriteFile(basePath+"/"+csiClusters, []byte(data), 0o600)
if err != nil {
t.Errorf("Test setup error %s", err)
}
// TEST: Should fail as monitors key is incorrect/missing
content, err = Mons(pathToConfig, clusterID2)
if err == nil {
t.Errorf("Failed: want (%s), got (%s)", data, content)
}
data = "[{\"clusterID\":\"" + clusterID2 + "\",\"monitors\":[\"mon1\",2,\"mon3\"]}]"
err = ioutil.WriteFile(basePath+"/"+csiClusters, []byte(data), 0o600)
if err != nil {
t.Errorf("Test setup error %s", err)
}
// TEST: Should fail as monitor data is malformed
content, err = Mons(pathToConfig, clusterID2)
if err == nil {
t.Errorf("Failed: want (%s), got (%s)", data, content)
}
data = "[{\"clusterID\":\"" + clusterID2 + "\",\"monitors\":[\"mon1\",\"mon2\",\"mon3\"]}]"
err = ioutil.WriteFile(basePath+"/"+csiClusters, []byte(data), 0o600)
if err != nil {
t.Errorf("Test setup error %s", err)
}
// TEST: Should fail as clusterID is not present in config
content, err = Mons(pathToConfig, clusterID1)
if err == nil {
t.Errorf("Failed: want (%s), got (%s)", data, content)
}
// TEST: Should pass as clusterID is present in config
content, err = Mons(pathToConfig, clusterID2)
if err != nil || content != "mon1,mon2,mon3" {
t.Errorf("Failed: want (%s), got (%s) (%v)", "mon1,mon2,mon3", content, err)
}
data = "[{\"clusterID\":\"" + clusterID2 + "\",\"monitors\":[\"mon1\",\"mon2\",\"mon3\"]}," +
"{\"clusterID\":\"" + clusterID1 + "\",\"monitors\":[\"mon4\",\"mon5\",\"mon6\"]}]"
err = ioutil.WriteFile(basePath+"/"+csiClusters, []byte(data), 0o600)
if err != nil {
t.Errorf("Test setup error %s", err)
}
// TEST: Should pass as clusterID is present in config
content, err = Mons(pathToConfig, clusterID1)
if err != nil || content != "mon4,mon5,mon6" {
t.Errorf("Failed: want (%s), got (%s) (%v)", "mon4,mon5,mon6", content, err)
}
}