Modernize CI

This commit:

1. Switches to GitHub Actions because Travis CI no longer offers Java < 9 (resolves fakemongo#356)
2. Adds Java 8-15 support
3. Drops Java 6 support. See https://bugs.java.com/bugdatabase/view_bug.do?bug_id=JDK-8028563

Author: slonopotamus

Diff for: .github/workflows/ci.yml

@@ -0,0 +1,17 @@
+name: CI
+on: [push, pull_request]
+jobs:
+  test:
+    strategy:
+      matrix:
+        java: [7, 8, 9, 10, 11, 12, 13, 14, 15]
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+      - name: Set up Java
+        uses: actions/setup-java@v1
+        with:
+          java-version: ${{ matrix.java }}
+      - name: Test
+        run: mvn clean install

Diff for: .travis.yml

@@ -45,8 +45,9 @@
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <scala.version>2.11.6</scala.version>
+        <scala.version>2.11.12</scala.version>
         <version.surefire>2.18.1</version.surefire>
+        <java.version>1.7</java.version>
 
         <!-- Jacoco -->
         <jacoco.destFile.unit>${project.build.directory}/jacoco-unit.exec</jacoco.destFile.unit>
@@ -104,6 +105,11 @@
             <artifactId>geojson-jackson</artifactId>
             <version>1.2</version>
         </dependency>
+        <dependency>
+            <groupId>javax.xml.bind</groupId>
+            <artifactId>jaxb-api</artifactId>
+            <version>2.3.1</version>
+        </dependency>
 
         <!-- Scope Test -->
         <dependency>
@@ -213,8 +219,8 @@
                 <artifactId>maven-compiler-plugin</artifactId>
                 <version>3.2</version>
                 <configuration>
-                    <source>1.6</source>
-                    <target>1.6</target>
+                    <source>${java.version}</source>
+                    <target>${java.version}</target>
                     <encoding>UTF-8</encoding>
                     <testExcludes>
                         <exclude>com/github/fakemongo/PerfTest.java</exclude>
@@ -236,7 +242,7 @@
             <plugin>
                 <groupId>org.jacoco</groupId>
                 <artifactId>jacoco-maven-plugin</artifactId>
-                <version>0.7.5.201505241946</version>
+                <version>0.8.6</version>
                 <executions>
                     <execution>
                         <goals>
@@ -294,20 +300,21 @@
                 <configuration>
                     <javacArgs>
                         <javacArg>-source</javacArg>
-                        <javacArg>1.6</javacArg>
+                        <javacArg>${java.version}</javacArg>
                         <javacArg>-target</javacArg>
-                        <javacArg>1.6</javacArg>
+                        <javacArg>${java.version}</javacArg>
                     </javacArgs>
                     <jvmArgs>
                         <jvmArg>-Xms64m</jvmArg>
                         <jvmArg>-Xmx1024m</jvmArg>
                         <!--jvmArg>-Dscala.timings=true</jvmArg -->
                     </jvmArgs>
                     <args>
-                        <arg>-target:jvm-1.6</arg>
+                        <arg>-target:jvm-${java.version}</arg>
                         <arg>-unchecked</arg>
                         <arg>-deprecation</arg>
                         <arg>-feature</arg>
+                        <arg>-nobootcp</arg>
                     </args>
                     <!--<recompileMode>incremental</recompileMode>-->
                     <!--<useZincServer>false</useZincServer>-->
@@ -339,6 +346,7 @@
                 <version>2.10.3</version>
                 <configuration>
                     <excludePackageNames>com.mongodb:com.github.fakemongo.impl</excludePackageNames>
+                    <source>${java.version}</source>
                 </configuration>
                 <executions>
                     <execution>
@@ -490,8 +498,8 @@
                         <artifactId>maven-compiler-plugin</artifactId>
                         <version>3.2</version>
                         <configuration>
-                            <source>1.6</source>
-                            <target>1.6</target>
+                            <source>${java.version}</source>
+                            <target>${java.version}</target>
                             <encoding>UTF-8</encoding>
                             <testIncludes>
                                 <include>com/github/fakemongo/PerfTest.java</include>

Diff for: pom.xml

@@ -63,6 +63,7 @@ public class FongoRule extends ExternalResource {
    * @param serverVersion     version of the server to use for fongo.
    * @param realMongo         set to true if you want to use a real mongoDB.
    * @param mongoClientIfReal real client to use if realMongo si true.
+   * @param codecRegistry     the codec registry used by fongo.
    */
   public FongoRule(final String dbName, final ServerVersion serverVersion, final boolean realMongo, final MongoClient mongoClientIfReal, final CodecRegistry codecRegistry) {
     this.dbName = dbName;

Diff for: src/main/java/com/github/fakemongo/junit/FongoRule.java

@@ -44,7 +44,6 @@
 import org.bson.types.ObjectId;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
-import sun.reflect.generics.reflectiveObjects.NotImplementedException;
 
 
 import static com.mongodb.assertions.Assertions.isTrueArgument;
@@ -1211,7 +1210,7 @@ BulkWriteResult executeBulkWriteOperation(final boolean ordered, final Boolean b
           }
         }
       } else {
-        throw new NotImplementedException();
+        throw new UnsupportedOperationException();
       }
       idx++;
     }