| // Copyright Istio 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 labels_test |
| |
| import ( |
| "testing" |
| ) |
| |
| import ( |
| "github.com/apache/dubbo-go-pixiu/pkg/config/labels" |
| ) |
| |
| func TestInstance(t *testing.T) { |
| cases := []struct { |
| left labels.Instance |
| right labels.Instance |
| expected bool |
| }{ |
| { |
| left: nil, |
| right: labels.Instance{"app": "a"}, |
| expected: true, |
| }, |
| { |
| left: labels.Instance{"app": "a"}, |
| right: nil, |
| expected: false, |
| }, |
| { |
| left: labels.Instance{"app": "a"}, |
| right: labels.Instance{"app": "a", "prod": "env"}, |
| expected: true, |
| }, |
| { |
| left: labels.Instance{"app": "a", "prod": "env"}, |
| right: labels.Instance{"app": "a"}, |
| expected: false, |
| }, |
| { |
| left: labels.Instance{"app": "a"}, |
| right: labels.Instance{"app": "b", "prod": "env"}, |
| expected: false, |
| }, |
| { |
| left: labels.Instance{"foo": ""}, |
| right: labels.Instance{"app": "a"}, |
| expected: false, |
| }, |
| { |
| left: labels.Instance{"foo": ""}, |
| right: labels.Instance{"app": "a", "foo": ""}, |
| expected: true, |
| }, |
| { |
| left: labels.Instance{"app": "a", "foo": ""}, |
| right: labels.Instance{"foo": ""}, |
| expected: false, |
| }, |
| } |
| for _, c := range cases { |
| got := c.left.SubsetOf(c.right) |
| if got != c.expected { |
| t.Errorf("%v.SubsetOf(%v) got %v, expected %v", c.left, c.right, got, c.expected) |
| } |
| } |
| } |
| |
| func TestInstanceValidate(t *testing.T) { |
| cases := []struct { |
| name string |
| tags labels.Instance |
| valid bool |
| }{ |
| { |
| name: "empty tags", |
| valid: true, |
| }, |
| { |
| name: "bad tag", |
| tags: labels.Instance{"^": "^"}, |
| }, |
| { |
| name: "good tag", |
| tags: labels.Instance{"key": "value"}, |
| valid: true, |
| }, |
| { |
| name: "good tag - empty value", |
| tags: labels.Instance{"key": ""}, |
| valid: true, |
| }, |
| { |
| name: "good tag - DNS prefix", |
| tags: labels.Instance{"k8s.io/key": "value"}, |
| valid: true, |
| }, |
| { |
| name: "good tag - subdomain DNS prefix", |
| tags: labels.Instance{"app.kubernetes.io/name": "value"}, |
| valid: true, |
| }, |
| { |
| name: "bad tag - empty key", |
| tags: labels.Instance{"": "value"}, |
| }, |
| { |
| name: "bad tag key 1", |
| tags: labels.Instance{".key": "value"}, |
| }, |
| { |
| name: "bad tag key 2", |
| tags: labels.Instance{"key_": "value"}, |
| }, |
| { |
| name: "bad tag key 3", |
| tags: labels.Instance{"key$": "value"}, |
| }, |
| { |
| name: "bad tag key - invalid DNS prefix", |
| tags: labels.Instance{"istio./key": "value"}, |
| }, |
| { |
| name: "bad tag value 1", |
| tags: labels.Instance{"key": ".value"}, |
| }, |
| { |
| name: "bad tag value 2", |
| tags: labels.Instance{"key": "value_"}, |
| }, |
| { |
| name: "bad tag value 3", |
| tags: labels.Instance{"key": "value$"}, |
| }, |
| } |
| for _, c := range cases { |
| if got := c.tags.Validate(); (got == nil) != c.valid { |
| t.Errorf("%s failed: got valid=%v but wanted valid=%v: %v", c.name, got == nil, c.valid, got) |
| } |
| } |
| } |