Tests Escalator's freezing columns. (#13334)

Change-Id: Ifd85cfba770e31a91e05b854fde67c991f443c4d

2 files changed, 125 insertions, 0 deletions

diff --git a/uitest/src/com/vaadin/tests/components/grid/basicfeatures/EscalatorBasicClientFeaturesTest.java b/uitest/src/com/vaadin/tests/components/grid/basicfeatures/EscalatorBasicClientFeaturesTest.java
index 5a282a15b6..eff964bd4f 100644
--- a/uitest/src/com/vaadin/tests/components/grid/basicfeatures/EscalatorBasicClientFeaturesTest.java
+++ b/uitest/src/com/vaadin/tests/components/grid/basicfeatures/EscalatorBasicClientFeaturesTest.java
@@ -50,6 +50,9 @@ public abstract class EscalatorBasicClientFeaturesTest extends MultiBrowserTest
     protected static final String CLEAR_ROW_COLUMN = "Clear (rows, then columns)";
 
     protected static final String FEATURES = "Features";
+    protected static final String FROZEN_COLUMNS = "Frozen columns";
+    protected static final String FREEZE_1_COLUMN = "Freeze 1 column";
+    protected static final String FREEZE_0_COLUMNS = "Freeze 0 columns";
     protected static final String COLUMN_SPANNING = "Column spanning";
     protected static final String COLSPAN_NORMAL = "Apply normal colspan";
     protected static final String COLSPAN_NONE = "Apply no colspan";
@@ -175,6 +178,16 @@ public abstract class EscalatorBasicClientFeaturesTest extends MultiBrowserTest
                 By.className("v-escalator-scroller-vertical"));
     }
 
+    protected void scrollHorizontallyTo(int px) {
+        executeScript("arguments[0].scrollLeft = " + px,
+                getHorizontalScrollbar());
+    }
+
+    private WebElement getHorizontalScrollbar() {
+        return getEscalator().findElement(
+                By.className("v-escalator-scroller-horizontal"));
+    }
+
     protected Object executeScript(String script, Object... args) {
         return ((JavascriptExecutor) getDriver()).executeScript(script, args);
     }
diff --git a/uitest/src/com/vaadin/tests/components/grid/basicfeatures/EscalatorColumnFreezingTest.java b/uitest/src/com/vaadin/tests/components/grid/basicfeatures/EscalatorColumnFreezingTest.java
new file mode 100644
index 0000000000..fb217789c2
--- /dev/null
+++ b/uitest/src/com/vaadin/tests/components/grid/basicfeatures/EscalatorColumnFreezingTest.java
@@ -0,0 +1,112 @@
+/*
+ * Copyright 2000-2014 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.tests.components.grid.basicfeatures;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
+
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+import org.junit.Test;
+import org.openqa.selenium.WebElement;
+
+public class EscalatorColumnFreezingTest extends EscalatorBasicClientFeaturesTest {
+
+    private final static Pattern TRANSFORM_PATTERN = Pattern.compile(// @formatter:off
+            // any start of the string
+            ".*"
+
+            // non-capturing group for "webkitTransform: " or "transform: "
+            + "(?:webkitT|t)ransform: "
+
+            // non-capturing group for "translate" or "translate3d"
+            + "translate(?:3d)?"
+
+            // capturing the digits in e.g "(100px,"
+            + "\\((\\d+)px,"
+
+            // any end of the string
+            + ".*");
+
+            // @formatter:on
+
+    private final static Pattern LEFT_PATTERN = Pattern
+            .compile(".*left: (\\d+)px.*");
+
+    private static final int NO_FREEZE = -1;
+
+    @Test
+    public void testNoFreeze() {
+        openTestURL();
+        populate();
+
+        WebElement bodyCell = getBodyCell(0, 0);
+        assertFalse(isFrozen(bodyCell));
+        assertEquals(NO_FREEZE, getFrozenScrollCompensation(bodyCell));
+    }
+
+    @Test
+    public void testOneFreeze() {
+        openTestURL();
+        populate();
+
+        selectMenuPath(FEATURES, FROZEN_COLUMNS, FREEZE_1_COLUMN);
+        int scrollPx = 100;
+        scrollHorizontallyTo(scrollPx);
+
+        WebElement bodyCell = getBodyCell(0, 0);
+        assertTrue(isFrozen(bodyCell));
+        assertEquals(scrollPx, getFrozenScrollCompensation(bodyCell));
+    }
+
+    @Test
+    public void testFreezeToggle() {
+        openTestURL();
+        populate();
+
+        selectMenuPath(FEATURES, FROZEN_COLUMNS, FREEZE_1_COLUMN);
+        scrollHorizontallyTo(100);
+        selectMenuPath(FEATURES, FROZEN_COLUMNS, FREEZE_0_COLUMNS);
+
+        WebElement bodyCell = getBodyCell(0, 0);
+        assertFalse(isFrozen(bodyCell));
+        assertEquals(NO_FREEZE, getFrozenScrollCompensation(bodyCell));
+    }
+
+    private void populate() {
+        selectMenuPath(GENERAL, POPULATE_COLUMN_ROW);
+    }
+
+    private static boolean isFrozen(WebElement cell) {
+        return cell.getAttribute("class").contains("frozen");
+    }
+
+    private static int getFrozenScrollCompensation(WebElement cell) {
+        String styleAttribute = cell.getAttribute("style");
+        Matcher transformMatcher = TRANSFORM_PATTERN.matcher(styleAttribute);
+        Matcher leftMatcher = LEFT_PATTERN.matcher(styleAttribute);
+
+        if (transformMatcher.find()) {
+            return Integer.parseInt(transformMatcher.group(1));
+        } else if (leftMatcher.find()) {
+            return Integer.parseInt(leftMatcher.group(1));
+        } else {
+            return NO_FREEZE;
+        }
+    }
+}