| /* |
| Copyright 2016 The Kubernetes 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 version |
| |
| import ( |
| "fmt" |
| "reflect" |
| "testing" |
| ) |
| |
| type testItem struct { |
| version string |
| unparsed string |
| equalsPrev bool |
| } |
| |
| func testOne(v *Version, item, prev testItem) error { |
| str := v.String() |
| if item.unparsed == "" { |
| if str != item.version { |
| return fmt.Errorf("bad round-trip: %q -> %q", item.version, str) |
| } |
| } else { |
| if str != item.unparsed { |
| return fmt.Errorf("bad unparse: %q -> %q, expected %q", item.version, str, item.unparsed) |
| } |
| } |
| |
| if prev.version != "" { |
| cmp, err := v.Compare(prev.version) |
| if err != nil { |
| return fmt.Errorf("unexpected parse error: %v", err) |
| } |
| rv, err := parse(prev.version, v.semver) |
| if err != nil { |
| return fmt.Errorf("unexpected parse error: %v", err) |
| } |
| rcmp, err := rv.Compare(item.version) |
| if err != nil { |
| return fmt.Errorf("unexpected parse error: %v", err) |
| } |
| |
| switch { |
| case cmp == -1: |
| return fmt.Errorf("unexpected ordering %q < %q", item.version, prev.version) |
| case cmp == 0 && !item.equalsPrev: |
| return fmt.Errorf("unexpected comparison %q == %q", item.version, prev.version) |
| case cmp == 1 && item.equalsPrev: |
| return fmt.Errorf("unexpected comparison %q != %q", item.version, prev.version) |
| case cmp != -rcmp: |
| return fmt.Errorf("unexpected reverse comparison %q <=> %q %v %v %v %v", item.version, prev.version, cmp, rcmp, v.Components(), rv.Components()) |
| } |
| } |
| |
| return nil |
| } |
| |
| func TestSemanticVersions(t *testing.T) { |
| tests := []testItem{ |
| // This is every version string that appears in the 2.0 semver spec, |
| // sorted in strictly increasing order except as noted. |
| {version: "0.1.0"}, |
| {version: "1.0.0-0.3.7"}, |
| {version: "1.0.0-alpha"}, |
| {version: "1.0.0-alpha+001", equalsPrev: true}, |
| {version: "1.0.0-alpha.1"}, |
| {version: "1.0.0-alpha.beta"}, |
| {version: "1.0.0-beta"}, |
| {version: "1.0.0-beta+exp.sha.5114f85", equalsPrev: true}, |
| {version: "1.0.0-beta.2"}, |
| {version: "1.0.0-beta.11"}, |
| {version: "1.0.0-rc.1"}, |
| {version: "1.0.0-x.7.z.92"}, |
| {version: "1.0.0"}, |
| {version: "1.0.0+20130313144700", equalsPrev: true}, |
| {version: "1.8.0-alpha.3"}, |
| {version: "1.8.0-alpha.3.673+73326ef01d2d7c"}, |
| {version: "1.9.0"}, |
| {version: "1.10.0"}, |
| {version: "1.11.0"}, |
| {version: "2.0.0"}, |
| {version: "2.1.0"}, |
| {version: "2.1.1"}, |
| {version: "42.0.0"}, |
| |
| // We also allow whitespace and "v" prefix |
| {version: " 42.0.0", unparsed: "42.0.0", equalsPrev: true}, |
| {version: "\t42.0.0 ", unparsed: "42.0.0", equalsPrev: true}, |
| {version: "43.0.0-1", unparsed: "43.0.0-1"}, |
| {version: "43.0.0-1 ", unparsed: "43.0.0-1", equalsPrev: true}, |
| {version: "v43.0.0-1", unparsed: "43.0.0-1", equalsPrev: true}, |
| {version: " v43.0.0", unparsed: "43.0.0"}, |
| {version: " 43.0.0 ", unparsed: "43.0.0", equalsPrev: true}, |
| } |
| |
| var prev testItem |
| for _, item := range tests { |
| v, err := ParseSemantic(item.version) |
| if err != nil { |
| t.Errorf("unexpected parse error: %v", err) |
| continue |
| } |
| err = testOne(v, item, prev) |
| if err != nil { |
| t.Errorf("%v", err) |
| } |
| prev = item |
| } |
| } |
| |
| func TestBadSemanticVersions(t *testing.T) { |
| tests := []string{ |
| // "MUST take the form X.Y.Z" |
| "1", |
| "1.2", |
| "1.2.3.4", |
| ".2.3", |
| "1..3", |
| "1.2.", |
| "", |
| "..", |
| // "where X, Y, and Z are non-negative integers" |
| "-1.2.3", |
| "1.-2.3", |
| "1.2.-3", |
| "1a.2.3", |
| "1.2a.3", |
| "1.2.3a", |
| "a1.2.3", |
| "a.b.c", |
| "1 .2.3", |
| "1. 2.3", |
| // "and MUST NOT contain leading zeroes." |
| "01.2.3", |
| "1.02.3", |
| "1.2.03", |
| // "[pre-release] identifiers MUST comprise only ASCII alphanumerics and hyphen" |
| "1.2.3-/", |
| // "[pre-release] identifiers MUST NOT be empty" |
| "1.2.3-", |
| "1.2.3-.", |
| "1.2.3-foo.", |
| "1.2.3-.foo", |
| // "Numeric [pre-release] identifiers MUST NOT include leading zeroes" |
| "1.2.3-01", |
| // "[build metadata] identifiers MUST comprise only ASCII alphanumerics and hyphen" |
| "1.2.3+/", |
| // "[build metadata] identifiers MUST NOT be empty" |
| "1.2.3+", |
| "1.2.3+.", |
| "1.2.3+foo.", |
| "1.2.3+.foo", |
| |
| // whitespace/"v"-prefix checks |
| "v 1.2.3", |
| "vv1.2.3", |
| } |
| |
| for i := range tests { |
| _, err := ParseSemantic(tests[i]) |
| if err == nil { |
| t.Errorf("unexpected success parsing invalid semver %q", tests[i]) |
| } |
| } |
| } |
| |
| func TestGenericVersions(t *testing.T) { |
| tests := []testItem{ |
| // This is all of the strings from TestSemanticVersions, plus some strings |
| // from TestBadSemanticVersions that should parse as generic versions, |
| // plus some additional strings. |
| {version: "0.1.0", unparsed: "0.1.0"}, |
| {version: "1.0.0-0.3.7", unparsed: "1.0.0"}, |
| {version: "1.0.0-alpha", unparsed: "1.0.0", equalsPrev: true}, |
| {version: "1.0.0-alpha+001", unparsed: "1.0.0", equalsPrev: true}, |
| {version: "1.0.0-alpha.1", unparsed: "1.0.0", equalsPrev: true}, |
| {version: "1.0.0-alpha.beta", unparsed: "1.0.0", equalsPrev: true}, |
| {version: "1.0.0.beta", unparsed: "1.0.0", equalsPrev: true}, |
| {version: "1.0.0-beta+exp.sha.5114f85", unparsed: "1.0.0", equalsPrev: true}, |
| {version: "1.0.0.beta.2", unparsed: "1.0.0", equalsPrev: true}, |
| {version: "1.0.0.beta.11", unparsed: "1.0.0", equalsPrev: true}, |
| {version: "1.0.0.rc.1", unparsed: "1.0.0", equalsPrev: true}, |
| {version: "1.0.0-x.7.z.92", unparsed: "1.0.0", equalsPrev: true}, |
| {version: "1.0.0", unparsed: "1.0.0", equalsPrev: true}, |
| {version: "1.0.0+20130313144700", unparsed: "1.0.0", equalsPrev: true}, |
| {version: "1.2", unparsed: "1.2"}, |
| {version: "1.2a.3", unparsed: "1.2", equalsPrev: true}, |
| {version: "1.2.3", unparsed: "1.2.3"}, |
| {version: "1.2.3.0", unparsed: "1.2.3.0", equalsPrev: true}, |
| {version: "1.2.3a", unparsed: "1.2.3", equalsPrev: true}, |
| {version: "1.2.3-foo.", unparsed: "1.2.3", equalsPrev: true}, |
| {version: "1.2.3-.foo", unparsed: "1.2.3", equalsPrev: true}, |
| {version: "1.2.3-01", unparsed: "1.2.3", equalsPrev: true}, |
| {version: "1.2.3+", unparsed: "1.2.3", equalsPrev: true}, |
| {version: "1.2.3+foo.", unparsed: "1.2.3", equalsPrev: true}, |
| {version: "1.2.3+.foo", unparsed: "1.2.3", equalsPrev: true}, |
| {version: "1.02.3", unparsed: "1.2.3", equalsPrev: true}, |
| {version: "1.2.03", unparsed: "1.2.3", equalsPrev: true}, |
| {version: "1.2.003", unparsed: "1.2.3", equalsPrev: true}, |
| {version: "1.2.3.4", unparsed: "1.2.3.4"}, |
| {version: "1.2.3.4b3", unparsed: "1.2.3.4", equalsPrev: true}, |
| {version: "1.2.3.4.5", unparsed: "1.2.3.4.5"}, |
| {version: "1.9.0", unparsed: "1.9.0"}, |
| {version: "1.9.0.0.0.0.0.0", unparsed: "1.9.0.0.0.0.0.0", equalsPrev: true}, |
| {version: "1.10.0", unparsed: "1.10.0"}, |
| {version: "1.11.0", unparsed: "1.11.0"}, |
| {version: "1.11.0.0.5", unparsed: "1.11.0.0.5"}, |
| {version: "2.0.0", unparsed: "2.0.0"}, |
| {version: "2.1.0", unparsed: "2.1.0"}, |
| {version: "2.1.1", unparsed: "2.1.1"}, |
| {version: "42.0.0", unparsed: "42.0.0"}, |
| {version: " 42.0.0", unparsed: "42.0.0", equalsPrev: true}, |
| {version: "\t42.0.0 ", unparsed: "42.0.0", equalsPrev: true}, |
| {version: "42.0.0-1", unparsed: "42.0.0", equalsPrev: true}, |
| {version: "42.0.0-1 ", unparsed: "42.0.0", equalsPrev: true}, |
| {version: "v42.0.0-1", unparsed: "42.0.0", equalsPrev: true}, |
| {version: " v43.0.0", unparsed: "43.0.0"}, |
| {version: " 43.0.0 ", unparsed: "43.0.0", equalsPrev: true}, |
| } |
| |
| var prev testItem |
| for _, item := range tests { |
| v, err := ParseGeneric(item.version) |
| if err != nil { |
| t.Errorf("unexpected parse error: %v", err) |
| continue |
| } |
| err = testOne(v, item, prev) |
| if err != nil { |
| t.Errorf("%v", err) |
| } |
| prev = item |
| } |
| } |
| |
| func TestBadGenericVersions(t *testing.T) { |
| tests := []string{ |
| "1", |
| "01.2.3", |
| "-1.2.3", |
| "1.-2.3", |
| ".2.3", |
| "1..3", |
| "1a.2.3", |
| "a1.2.3", |
| "1 .2.3", |
| "1. 2.3", |
| "1.bob", |
| "bob", |
| "v 1.2.3", |
| "vv1.2.3", |
| "", |
| ".", |
| } |
| |
| for i := range tests { |
| _, err := ParseGeneric(tests[i]) |
| if err == nil { |
| t.Errorf("unexpected success parsing invalid version %q", tests[i]) |
| } |
| } |
| } |
| |
| func TestComponents(t *testing.T) { |
| |
| var tests = []struct { |
| version string |
| semver bool |
| expectedComponents []uint |
| expectedMajor uint |
| expectedMinor uint |
| expectedPatch uint |
| expectedPreRelease string |
| expectedBuildMetadata string |
| }{ |
| { |
| version: "1.0.2", |
| semver: true, |
| expectedComponents: []uint{1, 0, 2}, |
| expectedMajor: 1, |
| expectedMinor: 0, |
| expectedPatch: 2, |
| }, |
| { |
| version: "1.0.2-alpha+001", |
| semver: true, |
| expectedComponents: []uint{1, 0, 2}, |
| expectedMajor: 1, |
| expectedMinor: 0, |
| expectedPatch: 2, |
| expectedPreRelease: "alpha", |
| expectedBuildMetadata: "001", |
| }, |
| { |
| version: "1.2", |
| semver: false, |
| expectedComponents: []uint{1, 2}, |
| expectedMajor: 1, |
| expectedMinor: 2, |
| }, |
| { |
| version: "1.0.2-beta+exp.sha.5114f85", |
| semver: true, |
| expectedComponents: []uint{1, 0, 2}, |
| expectedMajor: 1, |
| expectedMinor: 0, |
| expectedPatch: 2, |
| expectedPreRelease: "beta", |
| expectedBuildMetadata: "exp.sha.5114f85", |
| }, |
| } |
| |
| for _, test := range tests { |
| version, _ := parse(test.version, test.semver) |
| if !reflect.DeepEqual(test.expectedComponents, version.Components()) { |
| t.Error("parse returned un'expected components") |
| } |
| if test.expectedMajor != version.Major() { |
| t.Errorf("parse returned version.Major %d, expected %d", test.expectedMajor, version.Major()) |
| } |
| if test.expectedMinor != version.Minor() { |
| t.Errorf("parse returned version.Minor %d, expected %d", test.expectedMinor, version.Minor()) |
| } |
| if test.expectedPatch != version.Patch() { |
| t.Errorf("parse returned version.Patch %d, expected %d", test.expectedPatch, version.Patch()) |
| } |
| if test.expectedPreRelease != version.PreRelease() { |
| t.Errorf("parse returned version.PreRelease %s, expected %s", test.expectedPreRelease, version.PreRelease()) |
| } |
| if test.expectedBuildMetadata != version.BuildMetadata() { |
| t.Errorf("parse returned version.BuildMetadata %s, expected %s", test.expectedBuildMetadata, version.BuildMetadata()) |
| } |
| } |
| } |
