feat: Add ResultPrinter implementation

Author: TimothyJones

contractcase/src/main/java/io/contracttesting/contractcase/LogPrinter.java

@@ -2,19 +2,26 @@
 
 import com.diogonunes.jcolor.AnsiFormat;
 import com.diogonunes.jcolor.Attribute;
-import io.contract_testing.contractcase.case_boundary.BoundaryFailure;
 import io.contract_testing.contractcase.case_boundary.BoundaryResult;
 import io.contract_testing.contractcase.case_boundary.BoundarySuccess;
 import io.contract_testing.contractcase.case_boundary.ILogPrinter;
-import java.util.Arrays;
-import java.util.stream.Collectors;
+import io.contract_testing.contractcase.case_boundary.IResultPrinter;
+import io.contract_testing.contractcase.case_boundary.PrintableMatchError;
+import io.contract_testing.contractcase.case_boundary.PrintableMessageError;
+import io.contract_testing.contractcase.case_boundary.PrintableTestTitle;
+import io.contracttesting.contractcase.connectors.ExceptionMapper;
 import org.jetbrains.annotations.NotNull;
 
-public class LogPrinter implements ILogPrinter {
+public class LogPrinter implements ILogPrinter, IResultPrinter {
 
   private static final AnsiFormat brightRed = new AnsiFormat(Attribute.BRIGHT_RED_TEXT());
   private static final AnsiFormat brightYellow = new AnsiFormat(Attribute.BRIGHT_YELLOW_TEXT());
 
+  private static final AnsiFormat redBack = new AnsiFormat(Attribute.RED_BACK(),
+      Attribute.WHITE_TEXT());
+
+  private static final AnsiFormat red = new AnsiFormat(Attribute.RED_TEXT());
+
   private static final AnsiFormat cyan = new AnsiFormat(Attribute.CYAN_TEXT());
 
   private static final AnsiFormat magentaBackground = new AnsiFormat(Attribute.MAGENTA_BACK(),
@@ -31,8 +38,9 @@ public class LogPrinter implements ILogPrinter {
   private static final AnsiFormat blueBack = new AnsiFormat(Attribute.BRIGHT_BLUE_BACK(),
       Attribute.BLACK_TEXT());
 
-  @Override
+  private static final AnsiFormat green = new AnsiFormat(Attribute.GREEN_TEXT());
 
+  @Override
   public @NotNull BoundaryResult log(@NotNull String level, @NotNull String timestamp,
       @NotNull String version, @NotNull String typeString, @NotNull String location,
       @NotNull String message, @NotNull String additional) {
@@ -73,9 +81,77 @@ public class LogPrinter implements ILogPrinter {
               ? "" : "\n" + messageColour.format(additional)));
       return new BoundarySuccess();
     } catch (Exception e) {
-      return new BoundaryFailure(e.getClass().getName(), e.getMessage(),
-          Arrays.stream(e.getStackTrace()).map(StackTraceElement::toString).collect(
-              Collectors.joining()));
+      return ExceptionMapper.map(e);
+    }
+  }
+
+  private String spaces(int num, String toPad) {
+    return toPad.replace("\n", "\n" + " ".repeat(Math.max(0, num)));
+  }
+
+  @Override
+  public @NotNull BoundaryResult printMatchError(
+      @NotNull PrintableMatchError description) {
+    try {
+      // TODO: Clean up this mess.
+      // For now it's just a
+      // copy/paste of the javascript, which
+      // makes for very unpleasant Java
+      System.out.println(spaces(6,
+          redBack.format(" " + description.getKind() + " ") + " "
+              + whiteBright.format(description.getLocation()) + " "
+              + whiteBright.format(
+              description.getMessage())) + "\n" + spaces(9,
+          "Expected something like:\n" + spaces(3,
+              green.format(description.getExpected()))) + "\n" + spaces(9,
+          "Actual:\n" + spaces(3, red.format(description.getActual()))) + "\n\n" + spaces(
+          12, white.format(
+              " - " + description.getLocation() + " ["
+                  + description.getErrorTypeTag() + "]")));
+
+      return new BoundarySuccess();
+    } catch (Exception e) {
+      return ExceptionMapper.map(e);
+    }
+  }
+
+  @Override
+  public @NotNull BoundaryResult printMessageError(
+      @NotNull PrintableMessageError description) {
+    try {
+      // TODO: Clean up this mess.
+      // For now it's just a
+      // copy/paste of the javascript, which
+      // makes for very unpleasant Java
+      System.out.println(spaces(6, redBack.format(" " + description.getKind() + " ")
+          + " " + whiteBright.format(description.getLocation()) + " "
+          + whiteBright.format(
+          description.getMessage())) + "\n\n" + spaces(
+          12, white.format(
+              " - " + description.getLocation() + " ["
+                  + description.getErrorTypeTag() + "]")));
+
+      return new BoundarySuccess();
+    } catch (Exception e) {
+      return ExceptionMapper.map(e);
+    }
+  }
+
+  @Override
+  public @NotNull BoundaryResult printTestTitle(@NotNull PrintableTestTitle titleDetails) {
+    try {
+      // TODO: Clean up this mess.
+      // For now it's just a
+      // copy/paste of the javascript, which
+      // makes for very unpleasant Java
+      System.out.println(spaces(3,
+          titleDetails.getKind().equals("SUCCESS") ? green.format(titleDetails.getIcon())
+              : red.format(titleDetails.getIcon()) + " " + whiteBright.format(
+                  titleDetails.getTitle()) + "\n" + titleDetails.getAdditionalText()));
+
+      return new BoundarySuccess();
+    } catch (Exception e) {
+      return ExceptionMapper.map(e);
     }
   }
 }

contractcase/src/main/java/io/contracttesting/contractcase/connectors/ExceptionMapper.java

@@ -0,0 +1,15 @@
+package io.contracttesting.contractcase.connectors;
+
+import io.contract_testing.contractcase.case_boundary.BoundaryFailure;
+import java.util.Arrays;
+import java.util.stream.Collectors;
+
+public class ExceptionMapper {
+
+  public static BoundaryFailure map(Exception e) {
+    return new BoundaryFailure(e.getClass().getName(), e.getMessage(),
+        Arrays.stream(e.getStackTrace()).map(StackTraceElement::toString).collect(
+            Collectors.joining()));
+  }
+
+}