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