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minio/cmd/host-to-ip_test.go

85 lines
2.1 KiB

/*
* Minio Cloud Storage, (C) 2016 Minio, Inc.
*
* 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 cmd
import (
"fmt"
"testing"
)
// Tests sorted list generated from hosts to ip.
func TestHostToIP(t *testing.T) {
// Collection of test cases to validate last octet sorting.
testCases := []struct {
ips []string
sortedIPs []string
err error
shouldPass bool
}{
{
// List of ip addresses that need to be sorted.
ips: []string{
"129.95.30.40",
"5.24.69.2",
"19.20.203.5",
"1.2.3.4",
"127.0.0.1",
"19.20.21.22",
"5.220.100.50",
},
// Numerical sorting result based on the last octet.
sortedIPs: []string{
"5.220.100.50",
"129.95.30.40",
"19.20.21.22",
"19.20.203.5",
"1.2.3.4",
"5.24.69.2",
"127.0.0.1",
},
err: nil,
shouldPass: true,
},
{
ips: []string{
"localhost",
},
sortedIPs: []string{},
err: fmt.Errorf("Unable to parse invalid ip localhost"),
shouldPass: false,
},
}
// Tests the correct sorting behavior of getIPsFromHosts.
for j, testCase := range testCases {
err := sortIPsByOctet(testCase.ips)
if !testCase.shouldPass && testCase.err.Error() != err.Error() {
t.Fatalf("Test %d: Expected error %s, got %s", j+1, testCase.err, err)
}
if testCase.shouldPass && err != nil {
t.Fatalf("Test %d: Expected error %s", j+1, err)
}
if testCase.shouldPass {
for i, ip := range testCase.ips {
if ip == testCase.sortedIPs[i] {
continue
}
t.Errorf("Test %d expected to pass but failed. Wanted ip %s, but got %s", j+1, testCase.sortedIPs[i], ip)
}
}
}
}