Add IT for using pnpm (#599)

vaadin-spring-tests/test-spring-boot-only-prepare/pom.xml

@@ -108,9 +108,6 @@
                 <version>${vaadin.flow.version}</version>
                 <executions>
                     <execution>
-                        <configuration>
-                            <pnpmEnable>true</pnpmEnable>
-                        </configuration>
                         <goals>
                             <goal>prepare-frontend</goal>
                         </goals>

vaadin-spring-tests/test-spring-boot-only-prepare/src/main/resources/application.properties

@@ -1,2 +1,3 @@
 server.port=8888
 vaadin.blacklisted-packages=vaadin-spring/target/test-classes
+vaadin.pnpm.enable=true

vaadin-spring-tests/test-spring-common/src/main/java/com/vaadin/flow/spring/test/PnpmEnabledView.java

@@ -0,0 +1,53 @@
+/*
+ * Copyright 2000-2020 Vaadin Ltd.
+ *
+ * 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.
+ */
+package com.vaadin.flow.spring.test;
+
+import java.io.File;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.core.env.Environment;
+
+import com.vaadin.flow.component.AttachEvent;
+import com.vaadin.flow.component.html.Div;
+import com.vaadin.flow.function.DeploymentConfiguration;
+import com.vaadin.flow.router.Route;
+import com.vaadin.flow.server.Constants;
+
+@Route("pnpm-enabled")
+public class PnpmEnabledView extends Div {
+
+    @Autowired
+    private Environment env;
+
+    @Override
+    protected void onAttach(AttachEvent attachEvent) {
+        boolean isPnpm = new File("node_modules/.modules.yaml").exists();
+        String enableProperty = env.getProperty(
+                "vaadin." + Constants.SERVLET_PARAMETER_ENABLE_PNPM);
+        DeploymentConfiguration configuration = getUI().get().getSession()
+                .getService().getDeploymentConfiguration();
+        Div checkPnpm = new Div();
+        checkPnpm.setId("check-pnpm");
+        checkPnpm.setText(
+                String.valueOf(Boolean.TRUE.toString().equals(enableProperty)
+                        && !configuration.isProductionMode()));
+        Div pnpm = new Div();
+        pnpm.setId("pnpm");
+        pnpm.setText(String.valueOf(isPnpm));
+
+        add(checkPnpm, pnpm);
+    }
+}

vaadin-spring-tests/test-spring-common/src/test/java/com/vaadin/flow/spring/test/PnpmEnabledIT.java

@@ -0,0 +1,41 @@
+/*
+ * Copyright 2000-2020 Vaadin Ltd.
+ *
+ * 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.
+ */
+package com.vaadin.flow.spring.test;
+
+import org.junit.Assert;
+import org.junit.Assume;
+import org.junit.Test;
+import org.openqa.selenium.By;
+import org.openqa.selenium.WebElement;
+
+public class PnpmEnabledIT extends AbstractSpringTest {
+
+    @Override
+    protected String getTestPath() {
+        return "/pnpm-enabled";
+    }
+
+    @Test
+    public void checkPnpm() throws Exception {
+        open();
+
+        WebElement checkPnpm = findElement(By.id("check-pnpm"));
+        Assume.assumeTrue(Boolean.TRUE.toString().equals(checkPnpm.getText()));
+
+        WebElement isPnpm = findElement(By.id("pnpm"));
+        Assert.assertEquals(Boolean.TRUE.toString(), isPnpm.getText());
+    }
+}

vaadin-spring-tests/test-spring-white-list/pom.xml

@@ -101,6 +101,9 @@
                 <version>${vaadin.flow.version}</version>
                 <executions>
                     <execution>
+                        <configuration>
+                            <pnpmEnable>true</pnpmEnable>
+                        </configuration>
                         <goals>
                             <goal>prepare-frontend</goal>
                         </goals>