testCases for the notSettingsPlugin

Author: TheGoesen

src/test/groovy/org/gradlex/javamodule/dependencies/test/ConfigurationCacheTest.groovy

@@ -0,0 +1,90 @@
+package org.gradlex.javamodule.dependencies.test
+
+import org.gradlex.javamodule.dependencies.test.fixture.GradleBuild
+import spock.lang.Specification
+
+class ConfigurationCacheTest extends Specification {
+
+    @Delegate
+    GradleBuild build = new GradleBuild()
+
+    def "configurationCacheHit"() {
+        given:
+        libModuleInfoFile << 'module abc.lib { }'
+        appModuleInfoFile << '''
+            module abc.app {
+                requires abc.lib;
+            }
+        '''
+
+
+        def runner = runner(':app:compileJava')
+        when:
+        def result = runner.build()
+
+        then:
+        result.getOutput().contains("Calculating task graph as no cached configuration is available for tasks: :app:compileJava")
+
+        when:
+        result = runner.build()
+
+        then:
+        result.getOutput().contains("Reusing configuration cache.")
+    }
+
+    def "configurationCacheHitIrrelevantChange"() {
+        libModuleInfoFile << 'module abc.lib { }'
+        appModuleInfoFile << '''
+            module abc.app {
+                requires abc.lib;
+            }
+        '''
+
+        def runner = runner(':app:compileJava')
+        when:
+        def result = runner.build()
+
+        then:
+        result.getOutput().contains("Calculating task graph as no cached configuration is available for tasks: :app:compileJava")
+
+        when:
+        appModuleInfoFile.write('''
+            module abc.app {
+                requires abc.lib; //This is a comment and should not break the configurationCache
+            }
+        ''')
+        result = runner.build()
+
+        then:
+        result.getOutput().contains("Reusing configuration cache.")
+    }
+
+    def "configurationCacheHitRelevantChange"() {
+        given:
+        libModuleInfoFile << 'module abc.lib { }'
+        appModuleInfoFile << '''
+            module abc.app {
+                requires abc.lib;
+            }
+        '''
+
+        def runner = runner(':app:compileJava')
+        when:
+        def result = runner.build()
+
+        then:
+        result.getOutput().contains("Calculating task graph as no cached configuration is available for tasks: :app:compileJava")
+
+        when:
+        appModuleInfoFile.write('''
+            module abc.app {
+               //dependency removed; so thats indeed a configuration change
+            }
+        ''')
+        result = runner.build()
+
+        then:
+        result.output.contains("Calculating task graph as configuration cache cannot be reused because a build logic input of type 'ValueSourceModuleInfo' has changed.\n")
+    }
+
+}