Add the unit tests.

components/input-validation-mgt/org.wso2.carbon.identity.input.validation.mgt/src/test/java/org/wso2/carbon/identity/input/validation/mgt/test/model/validators/AbstractRulesValidatorTest.java

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+/*
+ * Copyright (c) 2024, WSO2 LLC. (http://www.wso2.com).
+ *
+ * WSO2 LLC. licenses this file to you under the Apache License,
+ * Version 2.0 (the "License"); you may not use this file except
+ * in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.wso2.carbon.identity.input.validation.mgt.test.model.validators;
+
+import org.mockito.Mock;
+import org.mockito.MockedStatic;
+import org.mockito.MockitoAnnotations;
+import org.testng.annotations.AfterMethod;
+import org.testng.annotations.BeforeMethod;
+import org.testng.annotations.DataProvider;
+import org.testng.annotations.Test;
+import org.wso2.carbon.identity.core.util.IdentityUtil;
+import org.wso2.carbon.identity.input.validation.mgt.exceptions.InputValidationMgtClientException;
+import org.wso2.carbon.identity.input.validation.mgt.model.ValidationContext;
+import org.wso2.carbon.identity.input.validation.mgt.model.validators.AbstractRulesValidator;
+import org.wso2.carbon.identity.input.validation.mgt.model.validators.LengthValidator;
+
+import java.util.HashMap;
+import java.util.Map;
+
+import static org.mockito.Mockito.mockStatic;
+import static org.mockito.Mockito.when;
+import static org.testng.Assert.assertEquals;
+import static org.testng.Assert.fail;
+import static org.wso2.carbon.identity.input.validation.mgt.utils.Constants.Configs.MAX_LENGTH;
+import static org.wso2.carbon.identity.input.validation.mgt.utils.Constants.Configs.MAX_PASSWORD_ALLOWED_LENGTH;
+import static org.wso2.carbon.identity.input.validation.mgt.utils.Constants.Configs.MIN_LENGTH;
+import static org.wso2.carbon.identity.input.validation.mgt.utils.Constants.Configs.PASSWORD;
+
+public class AbstractRulesValidatorTest {
+
+    @Mock
+    private ValidationContext mockContext;
+
+    private MockedStatic<IdentityUtil> identityUtil;
+
+    // Test constants.
+    private static final String TENANT_DOMAIN = "carbon.super";
+
+    @BeforeMethod
+    public void setup() {
+        MockitoAnnotations.openMocks(this);
+        identityUtil = mockStatic(IdentityUtil.class);
+    }
+
+    @AfterMethod
+    public void tearDown() {
+        identityUtil.close();
+    }
+
+    @DataProvider(name = "validationScenarios")
+    public Object[][] validationScenarios() {
+        Map<String, String> validProperties = new HashMap<>();
+        validProperties.put(MIN_LENGTH, "5");
+        validProperties.put(MAX_LENGTH, "10");
+
+        Map<String, String> invalidMinProperties = new HashMap<>();
+        invalidMinProperties.put(MIN_LENGTH, "-1");
+
+        Map<String, String> invalidMaxProperties = new HashMap<>();
+        invalidMaxProperties.put(MAX_LENGTH, "-1");
+
+        Map<String, String> minGreaterThanMaxProperties = new HashMap<>();
+        minGreaterThanMaxProperties.put(MIN_LENGTH, "15");
+        minGreaterThanMaxProperties.put(MAX_LENGTH, "10");
+
+        Map<String, String> maxLengthExceedsPassword = new HashMap<>();
+        maxLengthExceedsPassword.put(MAX_LENGTH, "65");
+
+        Map<String, String> validPasswordProperties = new HashMap<>();
+        validPasswordProperties.put(MAX_LENGTH, "64");
+
+        Map<String, String> passwordPropertiesWithoutMax = new HashMap<>();
+        passwordPropertiesWithoutMax.put(MIN_LENGTH, "8");
+
+        return new Object[][]{
+                // Valid scenario.
+                {validProperties, "VALID_FIELD", TENANT_DOMAIN, true, null},
+
+                // Invalid MIN_LENGTH.
+                {invalidMinProperties, "VALID_FIELD", TENANT_DOMAIN, false, InputValidationMgtClientException.class},
+
+                // Invalid MAX_LENGTH.
+                {invalidMaxProperties, "VALID_FIELD", TENANT_DOMAIN, false, InputValidationMgtClientException.class},
+
+                // MIN_LENGTH greater than MAX_LENGTH.
+                {minGreaterThanMaxProperties, "VALID_FIELD", TENANT_DOMAIN, false,
+                        InputValidationMgtClientException.class},
+
+                // MAX_LENGTH exceeds max password length.
+                {maxLengthExceedsPassword, PASSWORD, TENANT_DOMAIN, false, InputValidationMgtClientException.class},
+
+                // Valid password properties.
+                {validPasswordProperties, PASSWORD, TENANT_DOMAIN, true, null},
+
+                // Password properties without MAX_LENGTH.
+                {passwordPropertiesWithoutMax, PASSWORD, TENANT_DOMAIN, true, null}
+        };
+    }
+
+    @Test(dataProvider = "validationScenarios")
+    public void testValidateProps(Map<String, String> properties, String field, String tenantDomain,
+                                  boolean expectedResult, Class<? extends Exception> expectedException) {
+        // Mock context.
+        when(mockContext.getProperties()).thenReturn(properties);
+        when(mockContext.getField()).thenReturn(field);
+        when(mockContext.getTenantDomain()).thenReturn(tenantDomain);
+
+        // Mock IdentityUtil.
+        when(IdentityUtil.getProperty(MAX_PASSWORD_ALLOWED_LENGTH)).thenReturn("64");
+
+        // Test execution.
+        AbstractRulesValidator validator = new LengthValidator(); // Replace with your validator class name
+        try {
+            boolean result = validator.validateProps(mockContext);
+            assertEquals(result, expectedResult, "Unexpected validation result.");
+            if (expectedException != null) {
+                fail("Expected exception but none was thrown.");
+            }
+        } catch (Exception e) {
+            if (expectedException == null || !expectedException.isInstance(e)) {
+                fail("Unexpected exception: " + e.getMessage());
+            }
+        }
+    }
+}
+