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/*
 * Copyright 2007 the original author or 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 org.gradle.util

import spock.lang.Issue
import spock.lang.Specification

class GradleVersionTest extends Specification {
    final GradleVersion version = GradleVersion.current()

    def "parsing fails for unrecognized version string"() {
        when:
        GradleVersion.version(versionString)

        then:
        IllegalArgumentException e = thrown()
        e.message == "'$versionString' is not a valid Gradle version string (examples: '1.0', '1.0-rc-1')"

        where:
        versionString << [
                "",
                "something",
                "1",
                "1-beta",
                "1.0-\n"
        ]
    }

    def "current version has non-null parts"() {
        expect:
        version.version
        version.nextMajor
        version.baseVersion
    }

    def 'can parse commitId from commit version'() {
        expect:
        GradleVersion.version('5.1-commit-123abc').commitId == '123abc'
    }

    @Issue("https://issues.gradle.org/browse/GRADLE-1892")
    def "build time should always print in UTC"() {
        expect:
        // Note: buildTime is null when running a local build
        version.buildTime == null || version.buildTime.endsWith("UTC")
    }

    def equalsAndHashCode() {
        expect:
        Matchers.strictlyEquals(GradleVersion.version('0.9'), GradleVersion.version('0.9'))
        GradleVersion.version('0.9') != GradleVersion.version('1.0')
    }

    def canConstructVersionFromString(String version) {
        expect:
        def gradleVersion = GradleVersion.version(version)
        gradleVersion.version == version
        gradleVersion.toString() == "Gradle ${version}"

        where:
        version << [
                '1.0',
                '12.4.5.67',
                '1.0-milestone-5',
                '1.0-milestone-5a',
                '3.2-rc-2',
                '3.0-snapshot-1',
                '5.1-commit-2149a1d'
        ]
    }

    def versionsWithTimestampAreConsideredSnapshots(String version) {
        expect:
        def gradleVersion = GradleVersion.version(version)
        gradleVersion.version == version
        gradleVersion.snapshot

        where:
        version << [
                '0.9-20101220110000+1100',
                '0.9-20101220110000-0800',
                '1.2-20120501110000',
                '1.2-SNAPSHOT',
                '3.0-snapshot-1'
        ]
    }

    def versionsWithoutTimestampAreNotConsideredSnapshots(String version) {
        expect:
        !GradleVersion.version(version).snapshot

        where:
        version << [
                '0.9-milestone-5',
                '2.1-rc-1',
                '1.2',
                '1.2.1']
    }

    void canCompareTwoVersions(String a, String b) {
        assert GradleVersion.version(a) > GradleVersion.version(b)
        assert GradleVersion.version(b) < GradleVersion.version(a)
        assert GradleVersion.version(a) == GradleVersion.version(a)
        assert GradleVersion.version(b) == GradleVersion.version(b)
    }

    def canCompareMajorVersions() {
        expect:
        canCompareTwoVersions(a, b)

        where:
        a      | b
        '0.9'  | '0.8'
        '1.0'  | '0.10'
        '10.0' | '2.1'
        '2.5'  | '2.4'
    }

    def canComparePointVersions() {
        expect:
        canCompareTwoVersions(a, b)

        where:
        a                   | b
        '0.9.2'             | '0.9.1'
        '0.10.1'            | '0.9.2'
        '1.2.3.40'          | '1.2.3.8'
        '1.2.3.1'           | '1.2.3'
        '1.2.3.1.4.12.9023' | '1.2.3'
    }

    def canComparePointVersionAndMajorVersions() {
        expect:
        canCompareTwoVersions(a, b)

        where:
        a       | b
        '0.9.1' | '0.9'
        '0.10'  | '0.9.1'
    }

    def canComparePreviewsMilestonesAndRCVersions() {
        expect:
        canCompareTwoVersions(a, b)

        where:
        a                 | b
        '1.0-milestone-2' | '1.0-milestone-1'
        '1.0-preview-2'   | '1.0-preview-1'
        '1.0-preview-1'   | '1.0-milestone-7'
        '1.0-rc-1'        | '1.0-milestone-7'
        '1.0-rc-2'        | '1.0-rc-1'
        '1.0-rc-7'        | '1.0-rc-1'
        '1.0'             | '1.0-rc-7'
    }

    def canComparePatchVersion() {
        expect:
        canCompareTwoVersions(a, b)

        where:
        a                  | b
        '1.0-milestone-2a' | '1.0-milestone-2'
        '1.0-milestone-2b' | '1.0-milestone-2a'
        '1.0-milestone-3'  | '1.0-milestone-2b'
        '1.0'              | '1.0-milestone-2b'
    }

    def canCompareSnapshotVersions() {
        expect:
        canCompareTwoVersions(a, b)

        where:
        a                         | b
        '0.9-20101220110000+1100' | '0.9-20101220100000+1100'
        '0.9-20101220110000+1000' | '0.9-20101220100000+1100'
        '0.9-20101220110000-0100' | '0.9-20101220100000+0000'
        '0.9-20101220110000'      | '0.9-20101220100000'
        '0.9-20101220110000'      | '0.9-20101220110000+0100'
        '0.9-20101220110000-0100' | '0.9-20101220110000'
        '0.9'                     | '0.9-20101220100000+1000'
        '0.9'                     | '0.9-20101220100000'
        '0.9'                     | '0.9-SNAPSHOT'
        '0.9'                     | '0.9-snapshot-1'
    }

    def canCompareCommitVersions() {
        expect:
        canCompareTwoVersions(a, b)

        where:
        a                       | b
        '5.1'                   | '5.1-commit-123456789'
        '5.1'                   | '5.1-commit-bcda90482104'
        '5.1-commit-1234'       | '5.0'
        '5.1-commit-1234abcdef' | '4.10.2'
        '5.1-commit-1234'       | '5.0-commit-1234'
        '5.0-commit-222'        | '5.0-commit-111'
        '5.0-commit-f1efb03'    | '5.0-commit-f1efb02'
    }

    def "can get version base"() {
        expect:
        GradleVersion.version(v).baseVersion == GradleVersion.version(base)

        where:
        v                                     | base
        "1.0"                                 | "1.0"
        "1.0-rc-1"                            | "1.0"
        "1.2.3.4"                             | "1.2.3.4"
        '0.9'                                 | "0.9"
        '0.9.2'                               | "0.9.2"
        '0.9-20101220100000+1000'             | "0.9"
        '0.9-20101220100000'                  | "0.9"
        '20.17-20101220100000+1000'           | "20.17"
        '0.9-SNAPSHOT'                        | "0.9"
        '3.0-snapshot-1'                      | "3.0"
        '3.0-milestone-3'                     | "3.0"
        '3.0-milestone-3-20121012100000+1000' | "3.0"
    }

    def "can get next major version"() {
        expect:
        GradleVersion.version(v).nextMajor == GradleVersion.version(major)

        where:
        v                                     | major
        "1.0"                                 | "2.0"
        "1.0-rc-1"                            | "2.0"
        '0.9-20101220100000+1000'             | "1.0"
        '0.9-20101220100000'                  | "1.0"
        '20.17-20101220100000+1000'           | "21.0"
        '0.9-SNAPSHOT'                        | "1.0"
        '3.0-snapshot-1'                      | "4.0"
        '5.1-milestone-1'                     | "6.0"
        '1.0-milestone-3'                     | "2.0"
        '1.0-milestone-3-20121012100000+1000' | "2.0"
        '2.0-milestone-3'                     | "3.0"
    }
}




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