| // 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 resource |
| |
| import ( |
| "fmt" |
| "strconv" |
| "testing" |
| ) |
| |
| func TestCompareIstioVersion(t *testing.T) { |
| tcs := []struct { |
| a, b IstioVersion |
| result int |
| }{ |
| { |
| IstioVersion("1.4"), |
| IstioVersion("1.5"), |
| -1, |
| }, |
| { |
| IstioVersion("1.9.0"), |
| IstioVersion("1.10"), |
| -1, |
| }, |
| { |
| IstioVersion("1.8.0"), |
| IstioVersion("1.8.1"), |
| -1, |
| }, |
| { |
| IstioVersion("1.9.1"), |
| IstioVersion("1.9.1"), |
| 0, |
| }, |
| { |
| IstioVersion("1.12"), |
| IstioVersion("1.3"), |
| 1, |
| }, |
| { |
| IstioVersion(""), |
| IstioVersion(""), |
| 0, |
| }, |
| { |
| IstioVersion(""), |
| IstioVersion("1.9"), |
| 1, |
| }, |
| } |
| |
| for _, tc := range tcs { |
| t.Run(fmt.Sprintf("compare version %s->%s", tc.a, tc.b), func(t *testing.T) { |
| r := tc.a.Compare(tc.b) |
| if r != tc.result { |
| t.Errorf("expected %d, got %d", tc.result, r) |
| } |
| }) |
| } |
| } |
| |
| func TestMinimumIstioVersion(t *testing.T) { |
| tcs := []struct { |
| name string |
| versions IstioVersions |
| result IstioVersion |
| }{ |
| { |
| "two versions", |
| IstioVersions([]IstioVersion{ |
| "1.4", "1.5", |
| }), |
| IstioVersion("1.4"), |
| }, |
| { |
| "three versions", |
| IstioVersions([]IstioVersion{ |
| "1.9", "1.14", "1.10", |
| }), |
| IstioVersion("1.9"), |
| }, |
| { |
| "single version", |
| IstioVersions([]IstioVersion{ |
| "1.9", |
| }), |
| IstioVersion("1.9"), |
| }, |
| } |
| |
| for _, tc := range tcs { |
| t.Run(tc.name, func(t *testing.T) { |
| min := tc.versions.Minimum() |
| if min != tc.result { |
| t.Errorf("expected %v, got %v", tc.result, min) |
| } |
| }) |
| } |
| } |
| |
| func TestAtLeast(t *testing.T) { |
| tcs := []struct { |
| name string |
| versions RevVerMap |
| version IstioVersion |
| result bool |
| }{ |
| { |
| "not at least", |
| makeRevVerMap("1.4", "1.5"), |
| IstioVersion("1.8"), |
| false, |
| }, |
| { |
| "tied with minimum", |
| makeRevVerMap("1.4", "1.5"), |
| IstioVersion("1.4"), |
| true, |
| }, |
| { |
| "lower than minimum", |
| makeRevVerMap("1.4", "1.5"), |
| IstioVersion("1.3"), |
| true, |
| }, |
| { |
| "no versions", |
| makeRevVerMap(), |
| IstioVersion("1.8"), |
| true, |
| }, |
| } |
| |
| for _, tc := range tcs { |
| t.Run(tc.name, func(t *testing.T) { |
| min := tc.versions.AtLeast(tc.version) |
| if min != tc.result { |
| t.Errorf("expected %v, got %v", tc.result, min) |
| } |
| }) |
| } |
| } |
| |
| func makeRevVerMap(versions ...string) RevVerMap { |
| m := make(map[string]IstioVersion) |
| for i, v := range versions { |
| m[strconv.Itoa(i)] = IstioVersion(v) |
| } |
| return m |
| } |