1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
|
package com.vaadin.tests.components.table;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.fail;
import java.util.List;
import org.junit.Test;
import org.openqa.selenium.By;
import org.openqa.selenium.Keys;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.WebElement;
import org.openqa.selenium.interactions.Actions;
import org.openqa.selenium.remote.DesiredCapabilities;
import org.openqa.selenium.support.ui.ExpectedCondition;
import com.vaadin.testbench.elements.TableElement;
import com.vaadin.testbench.parallel.Browser;
import com.vaadin.tests.tb3.MultiBrowserTest;
/**
* Tests that navigation with PageDown/PageUp/Home/End in Table works
*
* @author Vaadin Ltd
*/
public class TableNavigationPageDownTest extends MultiBrowserTest {
private static final int ROW_NUMBER = 50;
private int lowerWrapperY = -1;
private int pageHeight = -1;
private int rowHeight = -1;
private WebElement wrapper;
@Override
public List<DesiredCapabilities> getBrowsersToTest() {
// Sending PageDown has no effect on PhantomJS. On IE focus
// in Table is often lost, so default scrolling happens on PageDown.
return getBrowserCapabilities(Browser.FIREFOX, Browser.CHROME);
}
@Override
public void setup() throws Exception {
super.setup();
openTestURL();
TableElement table = $(TableElement.class).first();
rowHeight = table.getCell(1, 0).getLocation().getY()
- table.getCell(0, 0).getLocation().getY();
wrapper = findElement(By.className("v-table-body-wrapper"));
pageHeight = wrapper.getSize().getHeight();
lowerWrapperY = wrapper.getLocation().getY() + pageHeight;
}
private void sendKeyUntilEndIsReached(Keys key) {
while (true) {
int lastVisibleRowNumber = getLastVisibleRowNumber();
sendKey(key);
if (!waitUntilLastRowHasChanged(lastVisibleRowNumber)) {
break;
}
}
}
private void sendKey(Keys key) {
new Actions(driver).sendKeys(key).build().perform();
}
private boolean waitUntilLastRowHasChanged(final int row) {
try {
waitUntil(input -> row != getLastVisibleRowNumber(), 1);
return true;
} catch (Exception e) {
return false;
}
}
private int getLastVisibleRowNumber() {
return getRowNumber(getLastVisibleRow());
}
private void sendPageDownUntilBottomIsReached() {
sendKeyUntilEndIsReached(Keys.PAGE_DOWN);
}
private void sendPageUpUntilTopIsReached() {
sendKeyUntilEndIsReached(Keys.PAGE_UP);
}
@Test
public void navigatePageDown() {
// Scroll to a point where you can reach the bottom with a couple of
// page downs.
// Can't use v-table-body height because lower rows haven't been
// fetched yet.
testBenchElement(wrapper)
.scroll(ROW_NUMBER * rowHeight - (int) (2.8 * pageHeight));
waitForScrollToFinish();
getLastVisibleRow().click();
sendPageDownUntilBottomIsReached();
assertEquals("Last table row should be visible", ROW_NUMBER - 1,
getLastVisibleRowNumber());
}
@Test
public void navigatePageUp() {
// Scroll to a point where you can reach the top with a couple of page
// ups.
testBenchElement(wrapper).scroll((int) (2.8 * pageHeight));
waitForScrollToFinish();
getFirstVisibleRow().click();
sendPageUpUntilTopIsReached();
assertEquals("First table row should be visible", 0,
getRowNumber(getFirstVisibleRow()));
}
@Test
public void navigateEndAndHome() {
getLastVisibleRow().click();
new Actions(driver).sendKeys(Keys.END).build().perform();
waitForScrollToFinish();
assertEquals("Last table row should be visible", ROW_NUMBER - 1,
getRowNumber(getLastVisibleRow()));
new Actions(driver).sendKeys(Keys.HOME).build().perform();
waitForScrollToFinish();
assertEquals("First table row should be visible", 0,
getRowNumber(getFirstVisibleRow()));
}
/**
* Waits until the scroll position indicator goes away, signifying that all
* the required rows have been fetched.
*/
private void waitForScrollToFinish() {
waitUntil(new ExpectedCondition<Boolean>() {
@Override
public Boolean apply(WebDriver input) {
List<WebElement> elements = findElements(
By.className("v-table-scrollposition"));
return elements.isEmpty() || !elements.get(0).isDisplayed();
}
@Override
public String toString() {
// Timed out after 10 seconds waiting for ...
return "scroll position indicator to vanish";
}
});
}
/**
* Returns row number from its first cell
*/
private int getRowNumber(WebElement row) {
return Integer.valueOf(row
.findElement(By.className("v-table-cell-wrapper")).getText());
}
/**
* Returns the first fully visible row
*/
private WebElement getFirstVisibleRow() {
List<WebElement> allFetchedRows = wrapper
.findElements(By.tagName("tr"));
int wrapperY = wrapper.getLocation().getY();
for (WebElement row : allFetchedRows) {
int rowY = row.getLocation().getY();
if ((rowY >= wrapperY) && (rowY - rowHeight <= wrapperY)) {
return row;
}
}
fail("Could not find first visible row");
return null;
}
/**
* Returns the last fully visible row
*/
private WebElement getLastVisibleRow() {
List<WebElement> allFetchedRows = wrapper
.findElements(By.tagName("tr"));
for (WebElement row : allFetchedRows) {
int lowerY = row.getLocation().getY() + rowHeight;
if ((lowerY <= lowerWrapperY)
&& (lowerY + rowHeight >= lowerWrapperY)) {
return row;
}
}
fail("Could not find last visible row");
return null;
}
}
|
