1 files changed, 59 insertions, 0 deletions
diff --git a/src/main/java/junitparams/internal/InvokableFrameworkMethod.java b/src/main/java/junitparams/internal/InvokableFrameworkMethod.java
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+++ b/src/main/java/junitparams/internal/InvokableFrameworkMethod.java
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+package junitparams.internal;
+
+import java.lang.reflect.Method;
+import junitparams.JUnitParamsRunner;
+import org.junit.internal.AssumptionViolatedException;
+import org.junit.internal.runners.model.EachTestNotifier;
+import org.junit.runner.Description;
+import org.junit.runner.notification.RunNotifier;
+import org.junit.runners.model.FrameworkMethod;
+import org.junit.runners.model.Statement;
+
+/**
+ * Base for {@link FrameworkMethod} classes that provide a {@link Statement} for invoking.
+ */
+public abstract class InvokableFrameworkMethod extends DescribableFrameworkMethod {
+
+    private final Description description;
+
+    InvokableFrameworkMethod(Method method, Description description) {
+        super(method);
+        this.description = description;
+    }
+
+    @Override
+    public Description getDescription() {
+        return description;
+    }
+
+    /**
+     * Create a {@link Statement} that when called will invoke the method.
+     *
+     * <p>This is usually called from the
+     * {@link JUnitParamsRunner#methodInvoker(FrameworkMethod, Object)} method via the
+     * {@link MethodBlockSupplier} which is usually called from within the
+     * {@link #run(MethodBlockSupplier, RunNotifier)} method.
+     *
+     * @param test
+     *         the object on which the method will be invoked.
+     * @return the {@link Statement}.
+     */
+    public abstract Statement getInvokeStatement(Object test);
+
+    void runMethodInvoker(RunNotifier notifier, Statement methodInvoker,
+            Description methodWithParams) {
+        EachTestNotifier eachNotifier = new EachTestNotifier(notifier, methodWithParams);
+        eachNotifier.fireTestStarted();
+        try {
+            methodInvoker.evaluate();
+        } catch (AssumptionViolatedException e) {
+            eachNotifier.addFailedAssumption(e);
+        } catch (Throwable e) {
+            eachNotifier.addFailure(e);
+        } finally {
+            eachNotifier.fireTestFinished();
+        }
+    }
+
+    public abstract void run(MethodBlockSupplier supplier, RunNotifier notifier);
+}