145 lines
4.3 KiB
Go
145 lines
4.3 KiB
Go
/*
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Copyright 2017 The Kubernetes Authors.
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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 server
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import (
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"testing"
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imagedigest "github.com/opencontainers/go-digest"
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"github.com/stretchr/testify/assert"
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"github.com/containerd/cri-containerd/pkg/util"
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)
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// TestGetUserFromImage tests the logic of getting image uid or user name of image user.
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func TestGetUserFromImage(t *testing.T) {
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newI64 := func(i int64) *int64 { return &i }
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for c, test := range map[string]struct {
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user string
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uid *int64
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name string
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}{
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"no gid": {
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user: "0",
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uid: newI64(0),
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},
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"uid/gid": {
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user: "0:1",
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uid: newI64(0),
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},
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"empty user": {
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user: "",
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},
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"multiple spearators": {
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user: "1:2:3",
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uid: newI64(1),
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},
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"root username": {
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user: "root:root",
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name: "root",
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},
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"username": {
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user: "test:test",
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name: "test",
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},
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} {
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t.Logf("TestCase - %q", c)
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actualUID, actualName := getUserFromImage(test.user)
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assert.Equal(t, test.uid, actualUID)
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assert.Equal(t, test.name, actualName)
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}
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}
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func TestGetRepoDigestAndTag(t *testing.T) {
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digest := imagedigest.Digest("sha256:e6693c20186f837fc393390135d8a598a96a833917917789d63766cab6c59582")
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for desc, test := range map[string]struct {
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ref string
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schema1 bool
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expectedRepoDigest string
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expectedRepoTag string
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}{
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"repo tag should be empty if original ref has no tag": {
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ref: "gcr.io/library/busybox@" + digest.String(),
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expectedRepoDigest: "gcr.io/library/busybox@" + digest.String(),
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},
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"repo tag should not be empty if original ref has tag": {
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ref: "gcr.io/library/busybox:latest",
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expectedRepoDigest: "gcr.io/library/busybox@" + digest.String(),
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expectedRepoTag: "gcr.io/library/busybox:latest",
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},
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"repo digest should be empty if original ref is schema1 and has no digest": {
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ref: "gcr.io/library/busybox:latest",
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schema1: true,
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expectedRepoDigest: "",
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expectedRepoTag: "gcr.io/library/busybox:latest",
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},
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"repo digest should not be empty if orignal ref is schema1 but has digest": {
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ref: "gcr.io/library/busybox@sha256:e6693c20186f837fc393390135d8a598a96a833917917789d63766cab6c59594",
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schema1: true,
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expectedRepoDigest: "gcr.io/library/busybox@sha256:e6693c20186f837fc393390135d8a598a96a833917917789d63766cab6c59594",
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expectedRepoTag: "",
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},
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} {
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t.Logf("TestCase %q", desc)
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named, err := util.NormalizeImageRef(test.ref)
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assert.NoError(t, err)
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repoDigest, repoTag := getRepoDigestAndTag(named, digest, test.schema1)
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assert.Equal(t, test.expectedRepoDigest, repoDigest)
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assert.Equal(t, test.expectedRepoTag, repoTag)
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}
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}
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func TestGetCgroupsPath(t *testing.T) {
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testID := "test-id"
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for desc, test := range map[string]struct {
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cgroupsParent string
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systemdCgroup bool
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expected string
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}{
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"should support regular cgroup path": {
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cgroupsParent: "/a/b",
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systemdCgroup: false,
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expected: "/a/b/test-id",
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},
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"should support systemd cgroup path": {
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cgroupsParent: "/a.slice/b.slice",
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systemdCgroup: true,
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expected: "b.slice:cri-containerd:test-id",
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},
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} {
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t.Logf("TestCase %q", desc)
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got := getCgroupsPath(test.cgroupsParent, testID, test.systemdCgroup)
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assert.Equal(t, test.expected, got)
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}
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}
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func TestBuildLabels(t *testing.T) {
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configLabels := map[string]string{
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"a": "b",
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"c": "d",
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}
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newLabels := buildLabels(configLabels, containerKindSandbox)
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assert.Len(t, newLabels, 3)
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assert.Equal(t, "b", newLabels["a"])
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assert.Equal(t, "d", newLabels["c"])
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assert.Equal(t, containerKindSandbox, newLabels[containerKindLabel])
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newLabels["a"] = "e"
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assert.Empty(t, configLabels[containerKindLabel], "should not add new labels into original label")
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assert.Equal(t, "b", configLabels["a"], "change in new labels should not affect original label")
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}
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