Add native image tests

.github/workflows/tests.yml

@@ -45,6 +45,8 @@ jobs:
 
       - name: Tests
         run: mvn "-Dh3.system.prune=true" "-Dh3.dockcross.only=${{ matrix.dockcross-only }}" -B -V clean test site
+        env:
+          OCI_EXE: docker
 
       - name: Format check for C
         run: git diff --exit-code
@@ -91,6 +93,8 @@ jobs:
 
       - name: Tests
         run: mvn "-Dh3.system.prune=true" "-Dh3.dockcross.tag=${{ matrix.dockcross-tag }}" "-Dh3.dockcross.only=${{ matrix.dockcross-only }}" -B -V clean test
+        env:
+          OCI_EXE: docker
 
   tests-no-docker:
     name: Java (No Docker) ${{ matrix.java-version }} ${{ matrix.os }}
@@ -217,3 +221,53 @@ jobs:
           mvn clean test -Dh3.github.artifacts.use=true -Dh3.github.artifacts.by_run=true
         env:
           GH_TOKEN: ${{ github.token }}
+
+  tests-native:
+    name: Native image ${{ matrix.java-version }} ${{ matrix.os }}
+    needs:
+      - tests
+      - tests-no-docker
+    runs-on: ${{ matrix.os }}
+
+    strategy:
+      matrix:
+        os: [ ubuntu-latest ]
+        java-distribution: [ graalvm ]
+        java-version: [ 21 ]
+
+    steps:
+      - uses: actions/[email protected]
+        with:
+          submodules: recursive
+
+      - uses: actions/setup-java@v4
+        with:
+          distribution: "${{ matrix.java-distribution }}"
+          java-version: "${{ matrix.java-version }}"
+
+      - uses: actions/cache@v2
+        id: maven-cache
+        with:
+          path: ~/.m2/
+          key: ${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }}
+          restore-keys: |
+            ${{ runner.os }}-maven-
+
+      - name: Download Docker binaries
+        uses: actions/[email protected]
+        with:
+          pattern: docker-built-shared-objects-*
+          merge-multiple: true
+          path: src/main/resources/
+
+      - name: Download Mac binaries
+        uses: actions/[email protected]
+        with:
+          name: macos-built-shared-objects
+          path: src/main/resources/
+
+      - name: Download and test
+        run: |
+          mvn clean verify -Dnative -Dh3.github.artifacts.use=true -Dh3.github.artifacts.by_run=true
+        env:
+          GH_TOKEN: ${{ github.token }}

pom.xml

@@ -67,6 +67,8 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <org.openjdk.jmh.version>1.19</org.openjdk.jmh.version>
         <maven.javadoc.plugin.version>3.1.1</maven.javadoc.plugin.version>
+        <maven-surefire.version>3.5.1</maven-surefire.version>
+        <native-maven-plugin.version>0.10.3</native-maven-plugin.version>
 
         <h3.git.remote>https://github.com/uber/h3.git</h3.git.remote>
         <h3.use.docker>true</h3.use.docker>
@@ -163,15 +165,41 @@
                 </plugins>
             </build>
         </profile>
+        <profile>
+            <id>native-image</id>
+            <activation>
+                <property>
+                    <name>native</name>
+                </property>
+            </activation>
+            <build>
+                <plugins>
+                    <plugin>
+                        <groupId>org.graalvm.buildtools</groupId>
+                        <artifactId>native-maven-plugin</artifactId>
+                        <version>${native-maven-plugin.version}</version>
+                        <extensions>true</extensions>
+                        <configuration>
+                            <metadataRepository>
+                                <enabled>true</enabled>
+                            </metadataRepository>
+                        </configuration>
+                        <executions>
+                            <execution>
+                                <id>test-native</id>
+                                <goals>
+                                    <goal>test</goal>
+                                </goals>
+                                <phase>verify</phase>
+                            </execution>
+                        </executions>
+                    </plugin>
+                </plugins>
+            </build>
+        </profile>
     </profiles>
 
     <dependencies>
-        <dependency>
-            <groupId>junit</groupId>
-            <artifactId>junit</artifactId>
-            <version>4.13.2</version>
-            <scope>test</scope>
-        </dependency>
         <dependency>
             <groupId>org.openjdk.jmh</groupId>
             <artifactId>jmh-core</artifactId>
@@ -187,7 +215,19 @@
         <dependency>
             <groupId>com.google.guava</groupId>
             <artifactId>guava</artifactId>
-            <version>33.2.1-jre</version>
+            <version>33.3.1-jre</version>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.junit.jupiter</groupId>
+            <artifactId>junit-jupiter</artifactId>
+            <version>5.11.2</version>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.junit.platform</groupId>
+            <artifactId>junit-platform-launcher</artifactId>
+            <version>1.11.2</version>
             <scope>test</scope>
         </dependency>
     </dependencies>
@@ -212,10 +252,33 @@
                     </execution>
                 </executions>
             </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-surefire-plugin</artifactId>
+                <version>${maven-surefire.version}</version>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-failsafe-plugin</artifactId>
+                <version>${maven-surefire.version}</version>
+                <configuration>
+                    <systemPropertyVariables>
+                        <junit.platform.listeners.uid.tracking.enabled>true</junit.platform.listeners.uid.tracking.enabled>
+                    </systemPropertyVariables>
+                </configuration>
+                <executions>
+                    <execution>
+                        <goals>
+                            <goal>integration-test</goal>
+                            <goal>verify</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-compiler-plugin</artifactId>
-                <version>3.1</version>
+                <version>3.13.0</version>
                 <configuration>
                     <source>1.8</source>
                     <target>1.8</target>

src/main/resources/META-INF/native-image/com.uber/h3/resource-config.json

@@ -1,7 +1,7 @@
 {
   "resources": {
     "includes": [
-      {"pattern": "**libh3-java**"}
+      {"pattern": ".*libh3-java.*"}
     ]
   }
 }

src/test/java/com/uber/h3core/BaseTestH3Core.java

@@ -16,15 +16,15 @@
 package com.uber.h3core;
 
 import java.io.IOException;
-import org.junit.BeforeClass;
+import org.junit.jupiter.api.BeforeAll;
 
 /** Base class for tests of the class {@link H3Core} */
 public abstract class BaseTestH3Core {
   public static final double EPSILON = 1e-6;
 
   protected static H3Core h3;
 
-  @BeforeClass
+  @BeforeAll
   public static void setup() throws IOException {
     h3 = H3Core.newInstance();
   }

src/test/java/com/uber/h3core/TestBindingCompleteness.java

@@ -15,7 +15,7 @@
  */
 package com.uber.h3core;
 
-import static org.junit.Assert.assertTrue;
+import static org.junit.jupiter.api.Assertions.assertTrue;
 
 import com.google.common.collect.ImmutableSet;
 import java.io.File;
@@ -24,18 +24,20 @@
 import java.util.HashSet;
 import java.util.Scanner;
 import java.util.Set;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.condition.DisabledInNativeImage;
 
 /** Tests all expected functions are exposed. */
-public class TestBindingCompleteness {
+class TestBindingCompleteness {
   /** Functions to ignore from the bindings. */
   private static final Set<String> WHITELIST =
       ImmutableSet.of(
           // These are provided by the Java library (java.lang.Math)
           "degsToRads", "radsToDegs");
 
   @Test
-  public void test() throws IOException {
+  @DisabledInNativeImage
+  void test() throws IOException {
     Set<String> exposed = new HashSet<>();
     for (Method m : H3Core.class.getMethods()) {
       exposed.add(m.getName());
@@ -50,10 +52,10 @@ public void test() throws IOException {
           continue;
         }
 
-        assertTrue(function + " is exposed in binding", exposed.contains(function));
+        assertTrue(exposed.contains(function), function + " is exposed in binding");
         checkedFunctions++;
       }
     }
-    assertTrue("Checked that the API exists", checkedFunctions > 10);
+    assertTrue(checkedFunctions > 10, "Checked that the API exists");
   }
 }

src/test/java/com/uber/h3core/TestDirectedEdges.java

@@ -15,20 +15,21 @@
  */
 package com.uber.h3core;
 
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertTrue;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertThrows;
+import static org.junit.jupiter.api.Assertions.assertTrue;
 
 import com.uber.h3core.exceptions.H3Exception;
 import com.uber.h3core.util.LatLng;
 import java.util.Collection;
 import java.util.List;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 /** Tests for unidirectional edge functions. */
-public class TestDirectedEdges extends BaseTestH3Core {
+class TestDirectedEdges extends BaseTestH3Core {
   @Test
-  public void testUnidirectionalEdges() {
+  void unidirectionalEdges() {
     String start = "891ea6d6533ffff";
     String adjacent = "891ea6d65afffff";
     String notAdjacent = "891ea6992dbffff";
@@ -59,13 +60,14 @@ public void testUnidirectionalEdges() {
     assertEquals(2, boundary.size());
   }
 
-  @Test(expected = H3Exception.class)
-  public void testUnidirectionalEdgesNotNeighbors() {
-    h3.cellsToDirectedEdge("891ea6d6533ffff", "891ea6992dbffff");
+  @Test
+  void unidirectionalEdgesNotNeighbors() {
+    assertThrows(
+        H3Exception.class, () -> h3.cellsToDirectedEdge("891ea6d6533ffff", "891ea6992dbffff"));
   }
 
-  @Test(expected = H3Exception.class)
-  public void testDirectedEdgeInvalid() {
-    h3.getDirectedEdgeOrigin(0);
+  @Test
+  void directedEdgeInvalid() {
+    assertThrows(H3Exception.class, () -> h3.getDirectedEdgeOrigin(0));
   }
 }

src/test/java/com/uber/h3core/TestH3CoreCrossCompile.java

@@ -15,30 +15,30 @@
  */
 package com.uber.h3core;
 
-import static org.junit.Assert.assertNotNull;
-import static org.junit.Assume.assumeTrue;
+import static org.junit.jupiter.api.Assertions.assertNotNull;
+import static org.junit.jupiter.api.Assumptions.assumeTrue;
 
 import com.google.common.collect.ImmutableList;
 import java.io.IOException;
 import java.util.List;
-import org.junit.BeforeClass;
-import org.junit.Test;
+import org.junit.jupiter.api.BeforeAll;
+import org.junit.jupiter.api.Test;
 
 /**
  * Test that particular resource names exist in the built artifact when cross compiling. Although we
  * cannot test that those resources run correctly (since they can't be loaded), we can at least test
  * that the cross compiler put resources in the right locations. This test is only run if the system
  * property <code>h3.use.docker</code> has the value <code>true</code>.
  */
-public class TestH3CoreCrossCompile {
-  @BeforeClass
-  public static void assumptions() {
+class TestH3CoreCrossCompile {
+  @BeforeAll
+  static void assumptions() {
     assumeTrue(
-        "Docker cross compilation enabled", "true".equals(System.getProperty("h3.use.docker")));
+        "true".equals(System.getProperty("h3.use.docker")), "Docker cross compilation enabled");
   }
 
   @Test
-  public void testResourcesExist() throws IOException {
+  void resourcesExist() throws IOException {
     List<String> resources =
         ImmutableList.of(
             "/linux-x64/libh3-java.so",
@@ -56,7 +56,7 @@ public void testResourcesExist() throws IOException {
             "/android-arm/libh3-java.so",
             "/android-arm64/libh3-java.so");
     for (String name : resources) {
-      assertNotNull(name + " is an included resource", H3CoreLoader.class.getResource(name));
+      assertNotNull(H3CoreLoader.class.getResource(name), name + " is an included resource");
     }
   }
 }