Add simple test cases for Context

Author: sink772

unittest/build.gradle

@@ -11,6 +11,14 @@ java {
 
 dependencies {
     compileOnly 'org.bouncycastle:bcprov-jdk15on:1.60'
+
+    testImplementation 'org.junit.jupiter:junit-jupiter-api:5.6.0'
+    testRuntimeOnly 'org.junit.jupiter:junit-jupiter-engine:5.6.0'
+    testRuntimeOnly 'org.bouncycastle:bcprov-jdk15on:1.60'
+}
+
+test {
+    useJUnitPlatform()
 }
 
 task sourcesJar(type: Jar, dependsOn: classes) {

unittest/src/test/java/score/ContextTest.java

@@ -0,0 +1,56 @@
+/*
+ * Copyright 2021 ICONLOOP Inc.
+ *
+ * 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 score;
+
+import com.iconloop.score.test.Account;
+import com.iconloop.score.test.Score;
+import com.iconloop.score.test.ServiceManager;
+import com.iconloop.score.test.TestBase;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import score.impl.Crypto;
+
+import static org.junit.jupiter.api.Assertions.assertArrayEquals;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+class ContextTest extends TestBase {
+    private static final ServiceManager sm = getServiceManager();
+    private static final Account owner = sm.createAccount();
+    private static Score helloScore;
+
+    @BeforeEach
+    void setUp() throws Exception {
+        helloScore = sm.deploy(owner, HelloWorld.class, "Alice");
+    }
+
+    @Test
+    void getAddress() {
+        assertEquals(helloScore.getAddress(), helloScore.call("getAddress"));
+    }
+
+    @Test
+    void getOwner() {
+        assertEquals(owner.getAddress(), helloScore.call("getOwner"));
+    }
+
+    @Test
+    void hash() {
+        byte[] data = "Hello world".getBytes();
+        assertArrayEquals(Crypto.hash("sha3-256", data),
+                (byte[]) helloScore.call("computeHash", "sha3-256", data));
+    }
+}

unittest/src/test/java/score/HelloWorld.java

@@ -0,0 +1,50 @@
+/*
+ * Copyright 2021 ICONLOOP Inc.
+ *
+ * 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 score;
+
+import score.annotation.External;
+
+public class HelloWorld {
+    private final String name;
+
+    public HelloWorld(String name) {
+        this.name = name;
+    }
+
+    @External(readonly=true)
+    public String name() {
+        return name;
+    }
+
+    @External(readonly=true)
+    public Address getAddress() {
+        return Context.getAddress();
+    }
+
+    @External(readonly=true)
+    public Address getOwner() {
+        return Context.getOwner();
+    }
+
+    @External(readonly=true)
+    public byte[] computeHash(String algorithm, byte[] data) {
+        if ("sha3-256".equals(algorithm)) {
+            return Context.hash(algorithm, data);
+        }
+        return null;
+    }
+}