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// Copyright 2015 Google Inc. All Rights Reserved.
//
// 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 validate
import (
"fmt"
"strings"
"testing"
)
var (
standardDesc = "Versions >= %s are supported. %s+ are recommended"
dockerStandardDesc = fmt.Sprintf(standardDesc, "1.0", "1.2")
kernelStandardDesc = fmt.Sprintf(standardDesc, "2.6", "3.0")
dockerErrorDesc = "Could not parse docker version"
kernelErrorDesc = "Could not parse kernel version"
)
func TestGetMajorMinor(t *testing.T) {
cases := []struct {
version string
major int
minor int
err error
}{
{"0.1beta", 0, 1, nil},
{"0.1.2", 0, 1, nil},
{"-1.-1beta", -1, -1, nil},
{"0.1", -1, -1, fmt.Errorf("have error")},
{"0", -1, -1, fmt.Errorf("have error")},
{"beta", -1, -1, fmt.Errorf("have error")},
}
for i, c := range cases {
ma, mi, e := getMajorMinor(c.version)
if (e != nil) != (c.err != nil) {
t.Errorf("[%d] Unexpected err, should %v, but got %v", i, c.err, e)
}
if ma != c.major {
t.Errorf("[%d] Unexpected major, should %v, but got %v", i, c.major, ma)
}
if mi != c.minor {
t.Errorf("[%d] Unexpected minor, should %v, but got %v", i, c.minor, mi)
}
}
}
func TestValidateKernelVersion(t *testing.T) {
cases := []struct {
version string
result string
desc string
}{
{"2.6.3", Supported, kernelStandardDesc},
{"3.6.3", Recommended, kernelStandardDesc},
{"1.0beta", Unsupported, kernelStandardDesc},
{"0.1beta", Unsupported, kernelStandardDesc},
{"0.1", Unknown, kernelErrorDesc},
{"3.1", Unknown, kernelErrorDesc},
}
for i, c := range cases {
res, desc := validateKernelVersion(c.version)
if res != c.result {
t.Errorf("[%d] Unexpected result, should %v, but got %v", i, c.result, res)
}
if !strings.Contains(desc, c.desc) {
t.Errorf("[%d] Unexpected description, should %v, but got %v", i, c.desc, desc)
}
}
}
func TestValidateDockerVersion(t *testing.T) {
cases := []struct {
version string
result string
desc string
}{
{"1.1.3", Supported, dockerStandardDesc},
{"1.6.3", Recommended, dockerStandardDesc},
{"1.0beta", Supported, dockerStandardDesc},
{"0.1beta", Unsupported, dockerStandardDesc},
{"0.1", Unknown, dockerErrorDesc},
{"1.6", Unknown, dockerErrorDesc},
}
for i, c := range cases {
res, desc := validateDockerVersion(c.version)
if res != c.result {
t.Errorf("[%d] Unexpected result, should %v, but got %v", i, c.result, res)
}
if !strings.Contains(desc, c.desc) {
t.Errorf("[%d] Unexpected description, should %v, but got %v", i, c.desc, desc)
}
}
}
func TestAreCgroupsPresent(t *testing.T) {
cases := []struct {
available map[string]int
desired []string
result bool
reason string
}{
{map[string]int{"memory": 1}, []string{"memory"}, true, ""},
{map[string]int{"memory": 2}, []string{"memory"}, false, "memory not enabled. Available cgroups"},
{map[string]int{"memory": 0}, []string{"memory"}, false, "memory not enabled. Available cgroups"},
{map[string]int{"memory": 1}, []string{"blkio"}, false, "Missing cgroup blkio. Available cgroups"},
}
for i, c := range cases {
result, reason := areCgroupsPresent(c.available, c.desired)
if result != c.result {
t.Errorf("[%d] Unexpected result, should %v, but got %v", i, c.result, result)
}
if (c.reason == "" && reason != "") || (c.reason != "" && !strings.Contains(reason, c.reason)) {
t.Errorf("[%d] Unexpected result, should %v, but got %v", i, c.reason, reason)
}
}
}
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