components/TextFields/tests/unit/MultilineTextFieldTests.swift

/*
 Copyright 2016-present the Material Components for iOS authors. All Rights Reserved.

 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.
 */

// swiftlint:disable function_body_length
// swiftlint:disable type_body_length

import XCTest
import MaterialComponents.MaterialTextFields

class MultilineTextFieldTests: XCTestCase {
  func testAttributedSetters() {
    let textField = MDCMultilineTextField()

    XCTAssertNotNil(textField.textView)

    let string = "attributed"
    textField.attributedPlaceholder = NSAttributedString(string: string)
    XCTAssertEqual(textField.attributedPlaceholder?.string, string)

    textField.attributedText = NSAttributedString(string: string)
    XCTAssertEqual(textField.attributedText?.string, string)
  }

  func testCopying() {
    let textField = MDCMultilineTextField()

    textField.textInsetsMode = .never
    textField.borderView?.borderFillColor = .blue
    textField.borderView?.borderPath = UIBezierPath(ovalIn: CGRect(x: 0, y: 0, width: 100, height: 100))
    textField.borderView?.borderPath?.lineWidth = 2
    textField.borderView?.borderStrokeColor = .green
    textField.clearButton.tintColor = .red
    textField.clearButtonMode = .always
    textField.cursorColor = .white
    textField.font = UIFont.systemFont(ofSize: UIFont.labelFontSize)
    textField.hidesPlaceholderOnInput = false
    textField.isEnabled = false
    textField.placeholder = "test"
    textField.text = "test"
    textField.textColor = .red
    textField.trailingViewMode = .never
    textField.underline?.color = .red
    textField.underline?.lineHeight = 10

    if let textFieldCopy = textField.copy() as? MDCMultilineTextField {
      XCTAssertNotNil(textField.textView)
      XCTAssertTrue(textField.subviews.contains(textField.textView!))

      XCTAssertEqual(textField.textInsetsMode, textFieldCopy.textInsetsMode)
      XCTAssertEqual(textField.attributedPlaceholder, textFieldCopy.attributedPlaceholder)
      XCTAssertEqual(textField.attributedText, textFieldCopy.attributedText)
      XCTAssertEqual(textField.borderView?.borderFillColor, textFieldCopy.borderView?.borderFillColor)
      XCTAssertEqual(textField.borderView?.borderPath?.bounds, textFieldCopy.borderView?.borderPath?.bounds)
      XCTAssertEqual(textField.borderView?.borderPath?.lineWidth, textFieldCopy.borderView?.borderPath?.lineWidth)
      XCTAssertEqual(textField.borderView?.borderStrokeColor, textFieldCopy.borderView?.borderStrokeColor)
      XCTAssertEqual(textField.clearButton.tintColor, textFieldCopy.clearButton.tintColor)
      XCTAssertEqual(textField.clearButtonMode, textFieldCopy.clearButtonMode)
      XCTAssertEqual(textField.cursorColor, textFieldCopy.cursorColor)
      XCTAssertEqual(textField.font, textFieldCopy.font)
      XCTAssertEqual(textField.hidesPlaceholderOnInput, textFieldCopy.hidesPlaceholderOnInput)
      XCTAssertEqual(textField.isEnabled, textFieldCopy.isEnabled)
      XCTAssertEqual(textField.mdc_adjustsFontForContentSizeCategory,
                     textFieldCopy.mdc_adjustsFontForContentSizeCategory)
      XCTAssertEqual(textField.placeholder, textFieldCopy.placeholder)
      XCTAssertEqual(textField.text, textFieldCopy.text)
      XCTAssertEqual(textField.textColor, textFieldCopy.textColor)
      XCTAssertEqual(textField.trailingViewMode, textFieldCopy.trailingViewMode)
      XCTAssertEqual(textField.underline?.color, textFieldCopy.underline?.color)
      XCTAssertEqual(textField.underline?.lineHeight, textFieldCopy.underline?.lineHeight)
    } else {
      XCTFail("No copy or copy is wrong class")
    }
  }

  func testFontChange() {
    let textField = MDCMultilineTextField()

    textField.font = UIFont.systemFont(ofSize: UIFont.labelFontSize)
    XCTAssertEqual(UIFont.systemFont(ofSize: UIFont.labelFontSize), textField.font)
    XCTAssertNotEqual(UIFont.systemFont(ofSize: UIFont.smallSystemFontSize), textField.font)
  }

  func testMDCDynamicTypeAPI() {
    let textField = MDCMultilineTextField()

    textField.mdc_adjustsFontForContentSizeCategory = true
    XCTAssertTrue(textField.mdc_adjustsFontForContentSizeCategory)
  }

  func testSerialization() {
    let textField = MDCMultilineTextField()
    textField.translatesAutoresizingMaskIntoConstraints = false
    textField.text = "Lorem ipsum dolor sit amet, consectetuer adipiscing"
    textField.cursorColor = .red

    let controller = MDCTextInputControllerUnderline(textInput: textField)
    XCTAssertNotNil(controller.textInput)

    let leadingText = "Serialized Helper Test"
    controller.helperText = leadingText
    controller.characterCountMax = 40
    textField.textInsetsMode = .never

    let trailingView = UIView()
    trailingView.backgroundColor = .blue
    textField.trailingView = trailingView
    textField.trailingViewMode = .never

    let serializedInput = NSKeyedArchiver.archivedData(withRootObject: textField)
    XCTAssertNotNil(serializedInput)

    let unserializedInput =
      NSKeyedUnarchiver.unarchiveObject(with: serializedInput) as? MDCMultilineTextField
    XCTAssertNotNil(unserializedInput)

    XCTAssertEqual(textField.translatesAutoresizingMaskIntoConstraints,
                   unserializedInput?.translatesAutoresizingMaskIntoConstraints)
    XCTAssertEqual(textField.text,
                   unserializedInput?.text)

    XCTAssert(textField.cursorColor?.isEqualAsFloats(unserializedInput?.cursorColor) ?? false)

    XCTAssertEqual(textField.leadingUnderlineLabel.text,
                   unserializedInput?.leadingUnderlineLabel.text)

    XCTAssertEqual(textField.textInsetsMode, unserializedInput?.textInsetsMode)

    XCTAssertEqual(textField.trailingView?.backgroundColor,
                   unserializedInput?.trailingView?.backgroundColor)
    XCTAssertEqual(textField.trailingViewMode, unserializedInput?.trailingViewMode)
    XCTAssertEqual(textField.trailingUnderlineLabel.text, "51 / 40")
    XCTAssertEqual(textField.trailingUnderlineLabel.text,
                   unserializedInput?.trailingUnderlineLabel.text)
  }

  func testSizing() {
    let textField = MDCMultilineTextField(frame: CGRect(x: 0, y: 0, width: 300, height: 0))
    XCTAssertEqual(textField.frame.height, 0)

    textField.frame = CGRect(x: 0, y: 0, width: 300, height: 40)
    XCTAssertEqual(textField.frame.height, 40)

    textField.sizeToFit()
    XCTAssertEqual(textField.frame.height, 49)

    textField.leadingUnderlineLabel.text = "Helper"
    textField.sizeToFit()
    XCTAssertEqual(textField.frame.height, 66)

    textField.textInsetsMode = .never
    XCTAssertEqual(textField.textInsetsMode, .never)
  }

  func testTrailingView() {
    let trailingView = UIView()
    let textField = MDCMultilineTextField()

    textField.trailingView = trailingView
    XCTAssertEqual(textField.trailingView, trailingView)
  }

  func testUnderlineSetters() {
    let textField = MDCMultilineTextField()

    textField.underline?.color = .red
    textField.underline?.lineHeight = 10

    XCTAssertEqual(textField.underline?.color, .red)
    if let underline = textField.underline {
      XCTAssertEqual(underline.color, .red)
      XCTAssertEqual(underline.color, textField.underline?.color)

      XCTAssertEqual(underline.lineHeight, 10)
      XCTAssertEqual(underline.lineHeight, textField.underline?.lineHeight)
    } else {
      XCTFail("No underline or underline is wrong class")
    }
  }
}