Support @Skip on test classes and methods

Add super class for all test types (method, scenario, end-to-end),
and an class & method level annotation for skipping tests.

apitest/src/main/java/bisq/apitest/ApiTestCase.java

@@ -0,0 +1,81 @@
+/*
+ * This file is part of Bisq.
+ *
+ * Bisq is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at
+ * your option) any later version.
+ *
+ * Bisq is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public
+ * License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with Bisq. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package bisq.apitest;
+
+import java.util.function.Predicate;
+
+import java.lang.reflect.Method;
+
+import static java.lang.String.format;
+import static java.util.concurrent.TimeUnit.MILLISECONDS;
+
+
+
+import bisq.apitest.annotation.Skip;
+
+public class ApiTestCase {
+
+    protected static final char CHECK = '\u2714';
+    protected static final char CROSS_MARK = '\u274c';
+
+    public int countTestCases;
+    public int countFailedTestCases;
+    public int countSkippedTestCases;
+    public int countPassedTestCases;
+
+    private final Predicate<Class<?>> skipAll = (c) -> c.getAnnotation(Skip.class) != null;
+    private final Predicate<Method> skip = (m) -> m.getAnnotation(Skip.class) != null;
+
+    protected boolean isSkipped(String methodName) {
+        try {
+            if (skipAll.test(this.getClass()) || skip.test(getMethod(methodName))) {
+                countSkippedTestCases++;
+                return true;
+            } else {
+                return false;
+            }
+        } finally {
+            countTestCases++;  // Increment the test case count, skipped or not.
+        }
+    }
+
+    protected Method getMethod(String methodName) {
+        try {
+            return this.getClass().getMethod(methodName);
+        } catch (NoSuchMethodException ex) {
+            throw new IllegalStateException(format("No method '%s' exists in class '%s'",
+                    methodName, this.getClass().getName()),
+                    ex);
+        }
+    }
+
+    protected String reportString() {
+        return format("Total %d Passed %d Failed %d Skipped %d",
+                countTestCases,
+                countPassedTestCases,
+                countFailedTestCases,
+                countSkippedTestCases);
+    }
+
+    protected void sleep(long ms) {
+        try {
+            MILLISECONDS.sleep(ms);
+        } catch (InterruptedException ignored) {
+        }
+    }
+}

apitest/src/main/java/bisq/apitest/annotation/Skip.java

@@ -0,0 +1,38 @@
+/*
+ * This file is part of Bisq.
+ *
+ * Bisq is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at
+ * your option) any later version.
+ *
+ * Bisq is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public
+ * License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with Bisq. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package bisq.apitest.annotation;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+/**
+ * Sometimes you want to temporarily disable a test or a group of tests. Methods that
+ * are annotated with <code>&#064;Skip</code> will not be executed as tests.
+ * Also, you can annotate a class containing test methods with <code>&#064;Skip</code>
+ * and none of the containing tests will be executed.
+ */
+@Retention(RetentionPolicy.RUNTIME)
+@Target({ElementType.METHOD, ElementType.TYPE})
+public @interface Skip {
+    /**
+     * The optional reason why the test is skipped.
+     */
+    String value() default "";
+}