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# TextAreaElement

> Playwright element wrapper for Vaadin text areas

## Overview

The `TextAreaElement` class is a Playwright wrapper for the `<vaadin-text-area>` component. It extends `TextFieldElement` with multi-line text input capabilities.

## Component Tag

`<vaadin-text-area>`

## Extends

* `TextFieldElement`

## Inherited Interfaces

* `HasValidationPropertiesElement` - Validation state and error messages
* `HasInputFieldElement` - Value, label, helper text, and styling
* `HasPrefixElement` - Prefix slot content
* `HasSuffixElement` - Suffix slot content
* `HasClearButtonElement` - Clear button functionality
* `HasPlaceholderElement` - Placeholder text
* `HasAllowedCharPatternElement` - Character input restrictions
* `HasThemeElement` - Theme variants
* `FocusableElement` - Focus and blur operations
* `HasAriaLabelElement` - ARIA label support
* `HasEnabledElement` - Enabled/disabled state
* `HasTooltipElement` - Tooltip text

## Constructor

<ParamField path="locator" type="Locator" required>
  The Playwright locator for the `<vaadin-text-area>` element
</ParamField>

```java theme={null}
public TextAreaElement(Locator locator)
```

## Factory Methods

### getByLabel

Get a text area by its accessible label. Uses ARIA role `textbox`.

<ParamField path="page" type="Page" required>
  The Playwright page
</ParamField>

<ParamField path="label" type="String" required>
  The accessible label of the text area
</ParamField>

```java theme={null}
public static TextAreaElement getByLabel(Page page, String label)
```

#### Example

```java theme={null}
TextAreaElement textArea = TextAreaElement.getByLabel(page, "Description");
textArea.setValue("A detailed description...");
textArea.assertValue("A detailed description...");
```

## Methods

### getInputLocator

Get the textarea input locator. Overrides the parent method to return the textarea slot element.

```java theme={null}
public Locator getInputLocator()
```

**Returns:** Locator for the `slot="textarea"` element

## Inherited Methods

From `TextFieldElement`:

* `getMinLength()` - Get minimum length
* `setMinLength(int min)` - Set minimum length
* `assertMinLength(Integer min)` - Assert minimum length
* `getMaxLength()` - Get maximum length
* `setMaxLength(int max)` - Set maximum length
* `assertMaxLength(Integer max)` - Assert maximum length
* `getPattern()` - Get validation pattern
* `setPattern(String pattern)` - Set validation pattern
* `assertPattern(String pattern)` - Assert validation pattern

From `HasValueElement`:

* `getValue()` - Get current value
* `setValue(String value)` - Set field value
* `clear()` - Clear the value
* `assertValue(String value)` - Assert value matches

From `HasValidationPropertiesElement`:

* `assertValid()` - Assert field is valid
* `assertInvalid()` - Assert field is invalid
* `assertErrorMessage(String message)` - Assert error message text
* `getErrorMessageLocator()` - Get error message locator

From `HasClearButtonElement`:

* `clickClearButton()` - Click the clear button
* `isClearButtonVisible()` - Check if clear button is visible
* `assertClearButtonVisible()` - Assert clear button is visible
* `assertClearButtonNotVisible()` - Assert clear button is not visible

From `HasPlaceholderElement`:

* `getPlaceholder()` - Get placeholder text
* `setPlaceholder(String placeholder)` - Set placeholder text
* `assertPlaceholder(String placeholder)` - Assert placeholder matches

From `FocusableElement`:

* `focus()` - Focus the field
* `blur()` - Blur the field
* `getTabIndex()` - Get tab index
* `assertIsFocused()` - Assert field has focus
* `assertIsNotFocused()` - Assert field does not have focus

From `HasLabelElement`:

* `getLabel()` - Get label text
* `assertLabel(String label)` - Assert label text
* `getLabelLocator()` - Get label locator

From `HasHelperElement`:

* `getHelperText()` - Get helper text
* `assertHelperHasText(String text)` - Assert helper text
* `getHelperLocator()` - Get helper locator

## Complete Example

```java theme={null}
@Test
public void testTextAreaValidation() {
    // Find text area by label
    TextAreaElement textArea = TextAreaElement.getByLabel(page, "Validated TextArea");
    textArea.assertVisible();
    
    // Check validation constraints
    textArea.assertMinLength(6);
    textArea.assertMaxLength(7);
    textArea.assertPattern("\\d{7}");
    textArea.assertAllowedCharPattern("[0-8]");
    
    // Test invalid value
    textArea.setValue("1");
    textArea.assertInvalid();
    textArea.assertErrorMessage("Minimum length is 6 characters");
    
    // Test valid value
    textArea.setValue("1238456");
    textArea.assertValid();
    textArea.assertValue("1238456");
}

@Test
public void testTextAreaInteractions() {
    TextAreaElement textArea = TextAreaElement.getByLabel(page, "TextArea with placeholder and clear button");
    
    // Check placeholder
    textArea.assertPlaceholder("Enter text here");
    
    // Test clear button
    textArea.assertClearButtonNotVisible();
    textArea.setValue("some value");
    textArea.assertClearButtonVisible();
    textArea.clear();
    textArea.assertValue("");
    
    // Test helper text
    textArea.assertHelperHasText("Helper text");
    assertEquals("Helper text", textArea.getHelperText());
}
```