test(gestalt-module): tests for DependencyInfo.versionPredicate (#111)

Author: keturn

gestalt-module/src/test/java/org/terasology/gestalt/module/dependencyresolution/DependencyInfoTest.java

@@ -0,0 +1,74 @@
+// Copyright 2021 The Terasology Foundation
+// SPDX-License-Identifier: Apache-2.0
+
+package org.terasology.gestalt.module.dependencyresolution;
+
+import org.junit.jupiter.api.Test;
+import org.terasology.gestalt.naming.Version;
+
+import java.util.function.Predicate;
+
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+class DependencyInfoTest {
+
+    @Test
+    void testMinimumVersionUnderOnePointZero() {
+        Version minVersion = new Version("0.2.4");
+
+        DependencyInfo dependency = new DependencyInfo();
+        dependency.setMinVersion(minVersion);
+        Predicate<Version> predicate = dependency.versionPredicate();
+
+        assertTrue(predicate.test(minVersion), "failed to match its own version");
+
+        Version nextVersion = minVersion.getNextPatchVersion();
+        assertTrue(predicate.test(nextVersion), "failed to match the next patch version");
+        assertTrue(predicate.test(new Version(nextVersion + "-SNAPSHOT")), "failed to match the next snapshot");
+
+        assertFalse(predicate.test(new Version("0.2.3")), "inappropriately matched an earlier patch version");
+
+        assertFalse(predicate.test(nextVersion.getNextMinorVersion()), "inappropriately matched next 0.x minor version");
+    }
+
+    @Test
+    void testMinimumVersionOverOnePointZero() {
+        Version minVersion = new Version("1.4.7");
+
+        DependencyInfo dependency = new DependencyInfo();
+        dependency.setMinVersion(minVersion);
+        Predicate<Version> predicate = dependency.versionPredicate();
+
+        assertTrue(predicate.test(minVersion), "failed to match its own version");
+
+        Version nextVersion = minVersion.getNextPatchVersion();
+        assertTrue(predicate.test(nextVersion), "failed to match the next patch version");
+        assertTrue(predicate.test(new Version(nextVersion + "-SNAPSHOT")), "failed to match the next snapshot");
+
+        Version nextMinorVersion = minVersion.getNextMinorVersion();
+        assertTrue(predicate.test(nextMinorVersion), "failed to match the next minor version");
+        assertTrue(predicate.test(new Version(nextMinorVersion + "-SNAPSHOT")), "failed to match the next minor snapshot");
+
+        assertFalse(predicate.test(new Version("1.4.6")), "inappropriately matched an earlier patch version");
+        assertFalse(predicate.test(nextVersion.getNextMajorVersion()), "inappropriately matched next major version");
+    }
+
+    @Test
+    void testMinimumVersionIsSnapshot() {
+        Version snapshot = new Version("2.0.0-SNAPSHOT");
+        Version release = new Version("2.0.0");
+
+        DependencyInfo dependency = new DependencyInfo();
+        dependency.setMinVersion(snapshot);
+        Predicate<Version> predicate = dependency.versionPredicate();
+
+        assertTrue(predicate.test(snapshot), "failed to match its own version");
+        assertTrue(predicate.test(release), "failed to match release version");
+
+        Version nextVersion = release.getNextPatchVersion();
+        assertTrue(predicate.test(nextVersion), "failed to match the next patch version");
+        assertTrue(predicate.test(new Version(nextVersion + "-SNAPSHOT")), "failed to match the next snapshot");
+        assertFalse(predicate.test(release.getNextMajorVersion()), "inappropriately matched next major version");
+    }
+}