Enrich 'Import VFC UI test'

Import a node types which contains interface operations with an implementation and inputs

Change-Id: Ibf778747b69c60514d94985fc13097403ae1dd56
Signed-off-by: Vasyl Razinkov <vasyl.razinkov@est.tech>
Issue-ID: SDC-3567

5 files changed, 320 insertions, 9 deletions

diff --git a/integration-tests/src/test/java/org/onap/sdc/frontend/ci/tests/execute/sanity/ImportVfcUiTest.java b/integration-tests/src/test/java/org/onap/sdc/frontend/ci/tests/execute/sanity/ImportVfcUiTest.java
index 9c733f6aa5..a571c1b9f6 100644
--- a/integration-tests/src/test/java/org/onap/sdc/frontend/ci/tests/execute/sanity/ImportVfcUiTest.java
+++ b/integration-tests/src/test/java/org/onap/sdc/frontend/ci/tests/execute/sanity/ImportVfcUiTest.java
@@ -25,8 +25,10 @@ import static org.hamcrest.Matchers.emptyString;
 import static org.hamcrest.Matchers.not;
 import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.junit.jupiter.api.Assertions.assertNotNull;
+import static org.junit.jupiter.api.Assertions.assertTrue;
 import static org.junit.jupiter.api.Assertions.fail;
 
+import com.aventstack.extentreports.Status;
 import java.util.Arrays;
 import java.util.Map;
 import java.util.Optional;
@@ -37,6 +39,7 @@ import org.onap.sdc.frontend.ci.tests.datatypes.ComponentData;
 import org.onap.sdc.frontend.ci.tests.datatypes.ResourceCreateData;
 import org.onap.sdc.frontend.ci.tests.exception.UnzipException;
 import org.onap.sdc.frontend.ci.tests.execute.setup.DriverFactory;
+import org.onap.sdc.frontend.ci.tests.execute.setup.ExtentTestActions;
 import org.onap.sdc.frontend.ci.tests.execute.setup.SetupCDTest;
 import org.onap.sdc.frontend.ci.tests.flow.AddNodeToCompositionFlow;
 import org.onap.sdc.frontend.ci.tests.flow.CreateVfFlow;
@@ -44,10 +47,16 @@ import org.onap.sdc.frontend.ci.tests.flow.CreateVfcFlow;
 import org.onap.sdc.frontend.ci.tests.flow.DownloadCsarArtifactFlow;
 import org.onap.sdc.frontend.ci.tests.flow.exception.UiTestFlowRuntimeException;
 import org.onap.sdc.frontend.ci.tests.pages.ComponentPage;
+import org.onap.sdc.frontend.ci.tests.pages.component.workspace.CompositionDetailSideBarComponent;
+import org.onap.sdc.frontend.ci.tests.pages.component.workspace.CompositionDetailSideBarComponent.CompositionDetailTabName;
+import org.onap.sdc.frontend.ci.tests.pages.component.workspace.CompositionInformationTab;
+import org.onap.sdc.frontend.ci.tests.pages.component.workspace.CompositionInterfaceOperationsModal;
+import org.onap.sdc.frontend.ci.tests.pages.component.workspace.CompositionInterfaceOperationsTab;
 import org.onap.sdc.frontend.ci.tests.pages.component.workspace.CompositionPage;
 import org.onap.sdc.frontend.ci.tests.pages.component.workspace.ToscaArtifactsPage;
 import org.onap.sdc.frontend.ci.tests.pages.home.HomePage;
 import org.onap.sdc.frontend.ci.tests.utilities.FileHandling;
+import org.openecomp.sdc.be.model.ComponentInstance;
 import org.openqa.selenium.WebDriver;
 import org.testng.annotations.BeforeClass;
 import org.testng.annotations.Test;
@@ -105,20 +114,71 @@ public class ImportVfcUiTest extends SetupCDTest {
         componentPage = createVfFlow.getLandedPage().orElseThrow(() -> new UiTestFlowRuntimeException("Missing expected return ResourceCreatePage"));
         componentPage.isLoaded();
 
-        final AddNodeToCompositionFlow addNodeToCompositionFlow = addNodeToCompositionFlow(componentPage);
-
-        final CompositionPage compositionPage = addNodeToCompositionFlow.getLandedPage()
-            .orElseThrow(() -> new UiTestFlowRuntimeException("Missing expected return CompositionPage"));
+        final CompositionPage compositionPage = addInterfaceOperations(componentPage);
         componentPage = compositionPage.goToGeneral();
         componentPage.isLoaded();
         componentPage.certifyComponent();
         componentPage.isLoaded();
+
         yamlObject = downloadToscaArtifact(componentPage);
         checkMetadata(yamlObject, vfCreateData);
         checkTopologyTemplate(yamlObject);
 
     }
 
+    private CompositionPage addInterfaceOperations(final ComponentPage componentPage) {
+        final AddNodeToCompositionFlow addNodeToCompositionFlow = addNodeToCompositionFlow(componentPage);
+        final CompositionPage compositionPage = addNodeToCompositionFlow.getLandedPage()
+            .orElseThrow(() -> new UiTestFlowRuntimeException("Missing expected return CompositionPage"));
+        final CompositionDetailSideBarComponent detailSideBar = compositionPage.getDetailSideBar();
+        detailSideBar.isLoaded();
+
+        final ComponentInstance createdComponentInstance = addNodeToCompositionFlow.getCreatedComponentInstance()
+            .orElseThrow(() -> new UiTestFlowRuntimeException("Expecting a ComponentInstance"));
+
+        compositionPage.selectNode(createdComponentInstance.getName());
+
+        CompositionInterfaceOperationsTab compositionInterfaceOperationsTab =
+            (CompositionInterfaceOperationsTab) detailSideBar.selectTab(CompositionDetailTabName.INTERFACE_OPERATIONS);
+        compositionInterfaceOperationsTab.isLoaded();
+        ExtentTestActions.takeScreenshot(Status.INFO, "compositionInterfaceOperationsTab", "Composition Interface Operations Tab opened");
+        assertTrue(compositionInterfaceOperationsTab.isOperationPresent("create"));
+        CompositionInterfaceOperationsModal compositionInterfaceOperationsModal = compositionInterfaceOperationsTab.clickOnOperation("create");
+        compositionInterfaceOperationsModal.isLoaded();
+        ExtentTestActions
+            .takeScreenshot(Status.INFO, "compositionInterfaceOperationsTab.clickOnOperation", "Composition Interface Operations Modal opened");
+        compositionInterfaceOperationsModal.clickOnDelete();
+        ExtentTestActions.takeScreenshot(Status.INFO, "compositionInterfaceOperationsModal.clickOnDelete", "Input deleted");
+        compositionInterfaceOperationsModal.addInput();
+        ExtentTestActions.takeScreenshot(Status.INFO, "compositionInterfaceOperationsModal.addInput", "Adding Input");
+
+        final CompositionInterfaceOperationsModal.InterfaceOperationsData interfaceOperationsData = new CompositionInterfaceOperationsModal.InterfaceOperationsData
+            ("This is CREATE operation", "fullPath/to/my/newImplementation.sh", "second", "9876");
+        compositionInterfaceOperationsModal.updateInterfaceOperation(interfaceOperationsData);
+        compositionInterfaceOperationsTab.isLoaded();
+
+        final CompositionInformationTab compositionInformationTab =
+            (CompositionInformationTab) detailSideBar.selectTab(CompositionDetailTabName.INFORMATION);
+        compositionInformationTab.isLoaded();
+
+        compositionInterfaceOperationsTab =
+            (CompositionInterfaceOperationsTab) detailSideBar.selectTab(CompositionDetailTabName.INTERFACE_OPERATIONS);
+        compositionInterfaceOperationsTab.isLoaded();
+
+        assertTrue(compositionInterfaceOperationsTab.isOperationPresent("create"));
+        assertTrue(compositionInterfaceOperationsTab.isDescriptionPresent());
+        ExtentTestActions.takeScreenshot(Status.INFO, "isDescriptionPresent", "Description is present");
+        compositionInterfaceOperationsModal = compositionInterfaceOperationsTab.clickOnOperation("create");
+        compositionInterfaceOperationsModal.isLoaded();
+        ExtentTestActions
+            .takeScreenshot(Status.INFO, "compositionInterfaceOperationsTab.clickOnOperation", "Composition Interface Operations Modal opened");
+
+        checkCompositionInterfaceOperations(compositionInterfaceOperationsModal, interfaceOperationsData);
+        compositionInterfaceOperationsModal.clickOnCancel();
+        compositionInterfaceOperationsTab.isLoaded();
+        return compositionPage;
+    }
+
     private AddNodeToCompositionFlow addNodeToCompositionFlow(final ComponentPage componentPage) {
         componentPage.isLoaded();
         final ComponentData parentComponent = new ComponentData();
@@ -256,4 +316,12 @@ public class ImportVfcUiTest extends SetupCDTest {
         assertThat(interfaces, not(anEmptyMap()));
 
     }
+
+    private void checkCompositionInterfaceOperations(final CompositionInterfaceOperationsModal compositionInterfaceOperationsModal,
+                                                     final CompositionInterfaceOperationsModal.InterfaceOperationsData interfaceOperationsData) {
+        assertEquals(interfaceOperationsData.getDescription(), compositionInterfaceOperationsModal.getDescription());
+        assertEquals(interfaceOperationsData.getImplementationName(), compositionInterfaceOperationsModal.getImplementationName());
+        assertEquals(interfaceOperationsData.getInputName(), compositionInterfaceOperationsModal.getInputName());
+        assertEquals(interfaceOperationsData.getInputValue(), compositionInterfaceOperationsModal.getInputValue());
+    }
 }
diff --git a/integration-tests/src/test/java/org/onap/sdc/frontend/ci/tests/pages/ResourceCreatePage.java b/integration-tests/src/test/java/org/onap/sdc/frontend/ci/tests/pages/ResourceCreatePage.java
index d6e023a7d3..686f63c552 100644
--- a/integration-tests/src/test/java/org/onap/sdc/frontend/ci/tests/pages/ResourceCreatePage.java
+++ b/integration-tests/src/test/java/org/onap/sdc/frontend/ci/tests/pages/ResourceCreatePage.java
@@ -92,7 +92,7 @@ public class ResourceCreatePage extends ComponentPage {
     }
 
     private void fillDescription(final String description) {
-        setTextAreaField(By.xpath(XpathSelector.DESCRIPTION_TEXT_AREA.getXpath()), description);
+        setInputField(By.xpath(XpathSelector.DESCRIPTION_TEXT_AREA.getXpath()), description);
     }
 
     private void fillContactId(final String contactId) {
@@ -125,10 +125,6 @@ public class ResourceCreatePage extends ComponentPage {
         findElement(locator).sendKeys(value);
     }
 
-    private void setTextAreaField(final By locator, final String value) {
-        setInputField(locator, value);
-    }
-
     /**
      * Enum that contains identifiers and xpath expressions to elements related to the enclosing page object.
      */
diff --git a/integration-tests/src/test/java/org/onap/sdc/frontend/ci/tests/pages/component/workspace/CompositionDetailSideBarComponent.java b/integration-tests/src/test/java/org/onap/sdc/frontend/ci/tests/pages/component/workspace/CompositionDetailSideBarComponent.java
index b80b28ced7..346f639405 100644
--- a/integration-tests/src/test/java/org/onap/sdc/frontend/ci/tests/pages/component/workspace/CompositionDetailSideBarComponent.java
+++ b/integration-tests/src/test/java/org/onap/sdc/frontend/ci/tests/pages/component/workspace/CompositionDetailSideBarComponent.java
@@ -78,6 +78,8 @@ public class CompositionDetailSideBarComponent extends AbstractPageObject {
                 return new CompositionSubstitutionFilterTab(webDriver);
             case REQUIREMENTS_CAPABILITIES:
                 return new CompositionRequirementsCapabilitiesTab(webDriver);
+            case INTERFACE_OPERATIONS:
+                return new CompositionInterfaceOperationsTab(webDriver);
             default:
                 throw new IllegalStateException("Not yet implemented: " + tabName);
         }
@@ -99,6 +101,7 @@ public class CompositionDetailSideBarComponent extends AbstractPageObject {
         INFORMATION_ARTIFACTS_TAB("detail-tab-information-artifacts", "//li[@data-tests-id='%s']"),
         REQUIREMENTS_CAPABILITIES_TAB("detail-tab-requirements-capabilities", "//li[@data-tests-id='%s']"),
         API_ARTIFACTS_TAB("detail-tab-api-artifacts", "//li[@data-tests-id='%s']"),
+        INTERFACE_OPERATIONS_TAB("detail-tab-interface-operations", "//li[@data-tests-id='%s']"),
         SUBSTITUTION_FILTER_TAB("detail-tab-substitution-filter", "//li[@data-tests-id='%s']");
 
         @Getter
@@ -119,6 +122,7 @@ public class CompositionDetailSideBarComponent extends AbstractPageObject {
         INFORMATIONAL_ARTIFACTS(XpathSelector.INFORMATION_ARTIFACTS_TAB),
         API_ARTIFACTS(XpathSelector.API_ARTIFACTS_TAB),
         SUBSTITUTION_FILTER(XpathSelector.SUBSTITUTION_FILTER_TAB),
+        INTERFACE_OPERATIONS(XpathSelector.INTERFACE_OPERATIONS_TAB),
         REQUIREMENTS_CAPABILITIES(XpathSelector.REQUIREMENTS_CAPABILITIES_TAB);
 
         private final XpathSelector xpathSelector;
diff --git a/integration-tests/src/test/java/org/onap/sdc/frontend/ci/tests/pages/component/workspace/CompositionInterfaceOperationsModal.java b/integration-tests/src/test/java/org/onap/sdc/frontend/ci/tests/pages/component/workspace/CompositionInterfaceOperationsModal.java
new file mode 100644
index 0000000000..434885c4cb
--- /dev/null
+++ b/integration-tests/src/test/java/org/onap/sdc/frontend/ci/tests/pages/component/workspace/CompositionInterfaceOperationsModal.java
@@ -0,0 +1,149 @@
+/*
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2021 Nordix Foundation
+ *  ================================================================================
+ *  Licensed 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.
+ *
+ *  SPDX-License-Identifier: Apache-2.0
+ *  ============LICENSE_END=========================================================
+ */
+
+package org.onap.sdc.frontend.ci.tests.pages.component.workspace;
+
+import com.aventstack.extentreports.Status;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import org.onap.sdc.frontend.ci.tests.execute.setup.ExtentTestActions;
+import org.onap.sdc.frontend.ci.tests.pages.AbstractPageObject;
+import org.openqa.selenium.By;
+import org.openqa.selenium.WebDriver;
+import org.openqa.selenium.WebElement;
+
+/**
+ * Represents the Composition Interface Operations Modal.
+ */
+public class CompositionInterfaceOperationsModal extends AbstractPageObject {
+
+    public CompositionInterfaceOperationsModal(final WebDriver webDriver) {
+        super(webDriver);
+    }
+
+    @Override
+    public void isLoaded() {
+        waitForElementVisibility(By.xpath(XpathSelector.TITLE_SPAN.getXPath()));
+        waitForElementVisibility(By.xpath(XpathSelector.INTERFACE_NAME_LABEL.getXPath()));
+        waitForElementVisibility(By.xpath(XpathSelector.OPERATION_NAME_LABEL.getXPath()));
+        waitForElementVisibility(By.xpath(XpathSelector.INPUT_NAME_SPAN.getXPath()));
+        waitForElementVisibility(By.xpath(XpathSelector.INPUT_VALUE_SPAN.getXPath()));
+
+        waitToBeClickable(By.xpath(XpathSelector.ADD_INPUT_BTN.getXPath()));
+        waitToBeClickable(By.xpath(XpathSelector.SAVE_BTN.getXPath()));
+        waitToBeClickable(By.xpath(XpathSelector.CANCEL_BTN.getXPath()));
+    }
+
+    public void clickOnSave() {
+        waitToBeClickable(By.xpath(XpathSelector.SAVE_BTN.getXPath())).click();
+    }
+
+    public void clickOnCancel() {
+        waitToBeClickable(By.xpath(XpathSelector.CANCEL_BTN.getXPath())).click();
+    }
+
+    public void clickOnDelete() {
+        waitToBeClickable(By.xpath(XpathSelector.DELELE_BTN.getXPath())).click();
+    }
+
+    public void updateInterfaceOperation(final InterfaceOperationsData interfaceOperationsData) {
+        fillDescription(interfaceOperationsData.getDescription());
+        fillImplementationName(interfaceOperationsData.getImplementationName());
+        fillInputName(interfaceOperationsData.getInputName());
+        fillInputValue(interfaceOperationsData.getInputValue());
+        clickOnSave();
+    }
+
+    private void fillDescription(final String description) {
+        setInputField(By.xpath(XpathSelector.INTERFACE_OPERATION_DESCRIPTION_INPUT.getXPath()), description);
+    }
+
+    private void fillImplementationName(final String implementationName) {
+        setInputField(By.xpath(XpathSelector.INTERFACE_OPERATION_IMPLEMENTATION_NAME_INPUT.getXPath()), implementationName);
+    }
+
+    private void fillInputName(final String inputName) {
+        setInputField(By.xpath(XpathSelector.FIELD_INPUT_NAME_INPUT.getXPath()), inputName);
+    }
+
+    private void fillInputValue(final String inputValue) {
+        setInputField(By.xpath(XpathSelector.FIELD_INPUT_VALUE_INPUT.getXPath()), inputValue);
+    }
+
+    private void setInputField(final By locator, final String value) {
+        if (value == null) {
+            return;
+        }
+        final WebElement webElement = findElement(locator);
+        webElement.clear();
+        webElement.sendKeys(value);
+        ExtentTestActions.takeScreenshot(Status.INFO, value, value);
+    }
+
+    public void addInput() {
+        waitToBeClickable(By.xpath(XpathSelector.ADD_INPUT_BTN.getXPath())).click();
+    }
+
+    public String getDescription() {
+        return findElement(By.xpath(XpathSelector.INTERFACE_OPERATION_DESCRIPTION_INPUT.getXPath())).getAttribute("value");
+    }
+
+    public String getImplementationName() {
+        return findElement(By.xpath(XpathSelector.INTERFACE_OPERATION_IMPLEMENTATION_NAME_INPUT.getXPath())).getAttribute("value");
+    }
+
+    public String getInputName() {
+        return findElement(By.xpath(XpathSelector.FIELD_INPUT_NAME_INPUT.getXPath())).getAttribute("value");
+    }
+
+    public String getInputValue() {
+        return findElement(By.xpath(XpathSelector.FIELD_INPUT_VALUE_INPUT.getXPath())).getAttribute("value");
+    }
+
+    @Getter
+    @AllArgsConstructor
+    public static class InterfaceOperationsData {
+
+        private final String description;
+        private final String implementationName;
+        private final String inputName;
+        private final String inputValue;
+    }
+
+    @AllArgsConstructor
+    private enum XpathSelector {
+        TITLE_SPAN("//span[@class='title' and contains(text(), 'Edit Operation')]"),
+        ADD_INPUT_BTN("//a[contains(@class,'add-param-link add-btn') and contains(text(), 'Add Input')]"),
+        DELELE_BTN("//svg-icon[@name='trash-o']"),
+        SAVE_BTN("//button[@data-tests-id='Save']"),
+        CANCEL_BTN("//button[@data-tests-id='Cancel']"),
+        INTERFACE_NAME_LABEL("//label[contains(@class,'sdc-input') and contains(text(), 'Interface Name')]"),
+        OPERATION_NAME_LABEL("//label[contains(@class,'sdc-input') and contains(text(), 'Operation Name')]"),
+        INTERFACE_OPERATION_DESCRIPTION_INPUT("//input[@data-tests-id='interface-operation-description']"),
+        INTERFACE_OPERATION_IMPLEMENTATION_NAME_INPUT("//input[@data-tests-id='interface-operation-implementation-name']"),
+        INPUT_NAME_SPAN("//span[contains(@class,'field-input-name') and contains(text(), 'Name')]"),
+        INPUT_VALUE_SPAN("//span[contains(@class,'field-input-value') and contains(text(), 'Value')]"),
+        FIELD_INPUT_NAME_INPUT("//input[@data-tests-id='interface-operation-input-name']"),
+        FIELD_INPUT_VALUE_INPUT("//input[@data-tests-id='interface-operation-input-value']");
+
+        @Getter
+        private final String xPath;
+
+    }
+}
diff --git a/integration-tests/src/test/java/org/onap/sdc/frontend/ci/tests/pages/component/workspace/CompositionInterfaceOperationsTab.java b/integration-tests/src/test/java/org/onap/sdc/frontend/ci/tests/pages/component/workspace/CompositionInterfaceOperationsTab.java
new file mode 100644
index 0000000000..c67293939e
--- /dev/null
+++ b/integration-tests/src/test/java/org/onap/sdc/frontend/ci/tests/pages/component/workspace/CompositionInterfaceOperationsTab.java
@@ -0,0 +1,94 @@
+/*
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2021 Nordix Foundation
+ *  ================================================================================
+ *  Licensed 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.
+ *
+ *  SPDX-License-Identifier: Apache-2.0
+ *  ============LICENSE_END=========================================================
+ */
+
+package org.onap.sdc.frontend.ci.tests.pages.component.workspace;
+
+import static org.junit.jupiter.api.Assertions.assertNotNull;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import org.onap.sdc.frontend.ci.tests.pages.AbstractPageObject;
+import org.openqa.selenium.By;
+import org.openqa.selenium.WebDriver;
+import org.openqa.selenium.WebElement;
+
+/**
+ * Represents the Composition Interface Operations tab.
+ */
+public class CompositionInterfaceOperationsTab extends AbstractPageObject {
+
+    private WebElement webElement;
+
+    public CompositionInterfaceOperationsTab(final WebDriver webDriver) {
+        super(webDriver);
+    }
+
+    @Override
+    public void isLoaded() {
+        waitForElementVisibility(By.xpath(XpathSelector.INTERFACE_OPERATIONS.getXPath()));
+        waitForElementVisibility(By.xpath(XpathSelector.INTERFACE_NAME_SPAN.getXPath()));
+        webElement = findElement(By.xpath(XpathSelector.OPERATION_LIST.getXPath()));
+    }
+
+    public boolean isOperationPresent(final String operationName) {
+        try {
+            final WebElement webElementInterfaceRow = webElement.findElement(By.xpath(XpathSelector.INTERFACE_ROW.getXPath()));
+            webElementInterfaceRow.findElement(By.xpath(XpathSelector.FIELD_NAME_SPAN.getXPath(operationName)));
+        } catch (final Exception e) {
+            return false;
+        }
+        return true;
+    }
+
+    public boolean isDescriptionPresent() {
+        try {
+            final WebElement webElementInterfaceRow = webElement.findElement(By.xpath(XpathSelector.INTERFACE_ROW.getXPath()));
+            final WebElement rowElement = webElementInterfaceRow.findElement(By.xpath(XpathSelector.FIELD_DESCRIPTION_SPAN.getXPath()));
+            return rowElement != null && !rowElement.getText().isEmpty();
+        } catch (final Exception e) {
+            return false;
+        }
+    }
+
+    public CompositionInterfaceOperationsModal clickOnOperation(final String operationName) {
+        final WebElement webElementInterfaceRow = webElement.findElement(By.xpath(XpathSelector.INTERFACE_ROW.getXPath()));
+        webElementInterfaceRow.findElement(By.xpath(XpathSelector.FIELD_NAME_SPAN.getXPath(operationName))).click();
+        return new CompositionInterfaceOperationsModal(webDriver);
+    }
+
+    @AllArgsConstructor
+    private enum XpathSelector {
+        INTERFACE_OPERATIONS("//div[@class='interface-operations']"),
+        OPERATION_LIST("//div[@class='operation-list']"),
+        EXPAND_COLLAPSE("//div[@class='expand-collapse']"),
+        INTERFACE_ACCORDION("//div[@class='interface-accordion']"),
+        INTERFACE_ROW("//div[contains(@class,'interface-row')]"),
+        INTERFACE_NAME_SPAN("//span[@class='interface-name']"),
+        FIELD_NAME_SPAN("//span[contains(@class,'field-name') and contains(text(), '%s')]"),
+        FIELD_DESCRIPTION_SPAN("//span[contains(@class,'field-description')]");
+
+        @Getter
+        private final String xPath;
+
+        public String getXPath(final String... xpathParams) {
+            return String.format(xPath, xpathParams);
+        }
+
+    }
+}