Add gradle version support tests (#1)

Add gradle version test to `ReleasePluginIntegrationSpec`

Document supported versions in README

README.md

@@ -37,10 +37,18 @@ Gradle and Java Compatibility
 Built with Oracle JDK7
 Tested with Oracle JDK8
 
-| Gradle Version | Works |
-| :------------: | :---: |
-| 3.4.1          | yes   |
-| 3.5            | yes   |
+| Gradle Version | Works       |
+| :------------- | :---------: |
+| <= 2.13        | ![no]       |
+| 2.14           | ![yes]      |
+| 3.0            | ![yes]      |
+| 3.1            | ![yes]      |
+| 3.2            | ![yes]      |
+| 3.4            | ![yes]      |
+| 3.4.1          | ![yes]      |
+| 3.5            | ![yes]      |
+| 3.5.1          | ![yes]      |
+| 4.0            | ![yes]      |
 
 LICENSE
 =======
@@ -67,3 +75,6 @@ limitations under the License.
 [visteg]:           https://github.com/mmalohlava/gradle-visteg
 [paket]:            https://fsprojects.github.io/Paket/
 [nuget]:            https://www.nuget.org/
+
+[yes]:                  http://atlas-resources.wooga.com/icons/icon_check.svg "yes"
+[no]:                   http://atlas-resources.wooga.com/icons/icon_uncheck.svg "no"

src/integrationTest/groovy/wooga/gradle/release/ReleasePluginIntegrationSpec.groovy

@@ -139,4 +139,25 @@ class ReleasePluginIntegrationSpec extends IntegrationSpec {
         then:
         result.standardOutput.contains("unityPack NO-SOURCE")
     }
+
+    def gradleVersions() {
+        ["2.14", "3.0", "3.2", "3.4", "3.4.1", "3.5", "3.5.1", "4.0"]
+    }
+
+    @Unroll("verify plugin activation with gradle #gradleVersionToTest")
+    def "activates with multiple gradle versions"() {
+        given: "a buildfile with unity plugin applied"
+        buildFile << """
+            group = 'test'
+            ${applyPlugin(ReleasePlugin)}
+        """.stripIndent()
+
+        gradleVersion = gradleVersionToTest
+
+        expect:
+        runTasksSuccessfully("tasks")
+
+        where:
+        gradleVersionToTest << gradleVersions()
+    }
 }