adding code for faults

Author: arcuri82

src/main/java/com/webfuzzing/commons/faults/DefinedFaultCategory.java

@@ -0,0 +1,56 @@
+package com.webfuzzing.commons.faults;
+
+import java.util.Objects;
+
+public enum DefinedFaultCategory implements FaultCategory {
+
+    /*
+        TODO
+        code label are still up to discussion and re-arrangement...
+     */
+
+    //1xx: HTTP
+
+    HTTP_STATUS_500(100, "HTTP Status 500", "causes500_internalServerError",
+            "TODO"),
+    SCHEMA_INVALID_RESPONSE(101, "Received A Response From API That Is Not Valid According To Its Schema", "returnsSchemaInvalidResponse",
+            "TODO"),
+
+
+    ;
+
+    private final int code;
+
+    private final String name;
+
+    private final String testCaseLabel;
+
+    private final String fullDescription;
+
+    DefinedFaultCategory(int code, String name, String testCaseLabel, String fullDescription) {
+        this.code = code;
+        this.name = Objects.requireNonNull(name);
+        this.testCaseLabel = Objects.requireNonNull(testCaseLabel);
+        this.fullDescription = Objects.requireNonNull(fullDescription);
+    }
+
+    @Override
+    public int getCode() {
+        return code;
+    }
+
+    @Override
+    public String getDescriptiveName() {
+        return name;
+    }
+
+    @Override
+    public String getTestCaseLabel() {
+        return testCaseLabel;
+    }
+
+    @Override
+    public String getFullDescription() {
+        return fullDescription;
+    }
+}

src/main/java/com/webfuzzing/commons/faults/FaultCategory.java

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+package com.webfuzzing.commons.faults;
+
+public interface FaultCategory {
+
+
+    /**
+     * A unique code identifying this fault category
+     */
+    public int getCode();
+
+    /**
+     * A short descriptive name to explain the category
+     */
+    public String getDescriptiveName();
+
+    /**
+     * A short label that can be used in test case naming
+     */
+    public String getTestCaseLabel();
+
+    /**
+     * A full, lengthy description of this fault category.
+     * It should not contain any special formatting, as this field will be used for documentation
+     * in different context, eg, markdown and HTML.
+     */
+    public String getFullDescription();
+
+    /**
+     * A descriptive identifier for this category.
+     * Not a full, lengthy description.
+     * For example based on code and name
+     */
+    public default String getLabel() {
+        return "F" + getCode() + ":" + getDescriptiveName();
+    }
+
+}

src/test/java/com/webfuzzing/commons/faults/FaultCategoryTest.java

@@ -0,0 +1,23 @@
+package com.webfuzzing.commons.faults;
+
+import org.junit.jupiter.api.Test;
+
+import java.util.Arrays;
+import java.util.stream.Collectors;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+class FaultCategoryTest {
+
+    @Test
+    public void testUniqueCodes() {
+
+        int total = DefinedFaultCategory.values().length;
+        int unique = Arrays.stream(DefinedFaultCategory.values())
+                .map(c -> c.getCode())
+                .collect(Collectors.toSet())
+                .size();
+
+        assertEquals(total, unique, "Mismatch: " + total + " != " + unique);
+    }
+}