F!! Add auto approve reporter based on system properties

approvaltests-tests/src/test/java/org/approvaltests/reporters/AutoApproveWhenPropertySetReporterTest.java

@@ -0,0 +1,50 @@
+package org.approvaltests.reporters;
+
+import com.spun.util.io.FileUtils;
+import org.approvaltests.Approvals;
+import org.approvaltests.core.Options;
+import org.approvaltests.namer.NamerWrapper;
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+public class AutoApproveWhenPropertySetReporterTest
+{
+  @Test
+  void testWhenPropertyIsSet()
+  {
+    NamerWrapper namer = new NamerWrapper(Approvals.createApprovalNamer());
+    cleanupFiles(namer);
+    System.setProperty("org.approvaltests.reporters.autoapprove", "true");
+    Approvals.verify("applesauce", new Options().withReporter(new AutoApproveWhenPropertySetReporter()));
+    assertTrue(namer.getApprovalFile(".txt").exists());
+    assertFalse(namer.getReceivedFile((".txt")).exists());
+    cleanupFiles(namer);
+  }
+  @Test
+  void testWhenPropertyNotSet()
+  {
+    System.clearProperty("org.approvaltests.reporters.autoapprove");
+    NamerWrapper namer = new NamerWrapper(Approvals.createApprovalNamer());
+    cleanupFiles(namer);
+    try
+    {
+      Approvals.verify("applesauce",
+          new Options().withReporter(new AutoApproveWhenPropertySetReporter(new UseReporterTest.TestReporter(),
+              "org.approvaltests.reporters.autoapprove")));
+    }
+    catch (Throwable t)
+    {
+      assertTrue(t.getMessage().startsWith("Failed Approval"));
+    }
+    assertFalse(namer.getApprovalFile(".txt").exists());
+    assertTrue(namer.getReceivedFile(".txt").exists());
+    cleanupFiles(namer);
+  }
+  private static void cleanupFiles(NamerWrapper namer)
+  {
+    FileUtils.delete(namer.getApprovalFile(".txt"));
+    FileUtils.delete(namer.getReceivedFile((".txt")));
+  }
+}

approvaltests/src/main/java/org/approvaltests/reporters/AutoApproveWhenPropertySetReporter.java

@@ -0,0 +1,45 @@
+package org.approvaltests.reporters;
+
+import com.spun.util.io.FileUtils;
+import org.approvaltests.Approvals;
+import org.approvaltests.core.ApprovalFailureReporter;
+import org.approvaltests.core.VerifyResult;
+
+import java.io.File;
+
+public class AutoApproveWhenPropertySetReporter implements ReporterWithApprovalPower
+{
+  private final ApprovalFailureReporter reporter;
+  private final String                  property;
+  private VerifyResult                  result;
+  public AutoApproveWhenPropertySetReporter()
+  {
+    this(Approvals.getReporter(), "org.approvaltests.reporters.autoapprove");
+  }
+  public AutoApproveWhenPropertySetReporter(ApprovalFailureReporter reporter, String property)
+  {
+    this.reporter = reporter;
+    this.property = property;
+  }
+  @Override
+  public boolean report(String received, String approved)
+  {
+    String v = System.getProperty(property);
+    if ("".equals(v) || "true".equalsIgnoreCase(v))
+    {
+      FileUtils.copyFile(new File(received), new File(approved));
+      result = VerifyResult.SUCCESS;
+    }
+    else
+    {
+      reporter.report(received, approved);
+      result = VerifyResult.FAILURE;
+    }
+    return true;
+  }
+  @Override
+  public VerifyResult approveWhenReported()
+  {
+    return result;
+  }
+}