Utility matchers for testing.

src/testFixtures/java/app/mealsmadeeasy/api/matchers/ContainsRecipesMatcher.java

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+package app.mealsmadeeasy.api.matchers;
+
+import app.mealsmadeeasy.api.recipe.Recipe;
+import org.hamcrest.BaseMatcher;
+import org.hamcrest.Description;
+
+import java.util.List;
+import java.util.Objects;
+
+public final class ContainsRecipesMatcher extends BaseMatcher<List<Recipe>> {
+
+    private final Recipe[] allExpected;
+
+    public ContainsRecipesMatcher(Recipe[] allExpected) {
+        this.allExpected = allExpected;
+    }
+
+    @Override
+    public boolean matches(Object actual) {
+        if (actual instanceof List<?> list) {
+            checkExpected:
+            for (final Recipe expected : allExpected) {
+                for (final Object item : list) {
+                    if (item instanceof Recipe o && Objects.equals(o.getId(), expected.getId())) {
+                        continue checkExpected;
+                    }
+                }
+                // Did not find the expected in the list
+                return false;
+            }
+            // Found all expected in list
+            return true;
+        }
+        // actual is not a List
+        return false;
+    }
+
+    @Override
+    public void describeTo(Description description) {
+        description.appendText("Expected ").appendValue(List.of(this.allExpected));
+    }
+
+}

src/testFixtures/java/app/mealsmadeeasy/api/matchers/IsUserMatcher.java

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+package app.mealsmadeeasy.api.matchers;
+
+import app.mealsmadeeasy.api.user.User;
+import org.hamcrest.BaseMatcher;
+import org.hamcrest.Description;
+
+import java.util.Objects;
+
+public final class IsUserMatcher extends BaseMatcher<User> {
+
+    private final User expected;
+
+    public IsUserMatcher(User expected) {
+        this.expected = expected;
+    }
+
+    @Override
+    public boolean matches(Object actual) {
+        return actual instanceof User o && Objects.equals(o.getId(), this.expected.getId());
+    }
+
+    @Override
+    public void describeTo(Description description) {
+        description.appendText("Expected ").appendValue(this.expected);
+    }
+
+}

src/testFixtures/java/app/mealsmadeeasy/api/matchers/Matchers.java

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+package app.mealsmadeeasy.api.matchers;
+
+import app.mealsmadeeasy.api.recipe.Recipe;
+import app.mealsmadeeasy.api.user.User;
+
+public final class Matchers {
+
+    public static ContainsRecipesMatcher containsRecipes(Recipe... expected) {
+        return new ContainsRecipesMatcher(expected);
+    }
+
+    public static IsUserMatcher isUser(User expected) {
+        return new IsUserMatcher(expected);
+    }
+
+    private Matchers() {}
+
+}