components/TextFields/tests/unit/TextInputProtocolTests.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.

import XCTest
import MaterialComponents.MaterialTextFields

class TextInputTests: XCTestCase {
  func testMDCTextInputProtocolConformanceSingleline() {
    let textField = MDCTextField()

    XCTAssertNotNil(textField.cursorColor)
    XCTAssertNotNil(textField.leadingUnderlineLabel)
    XCTAssertNotNil(textField.trailingUnderlineLabel)
    XCTAssertNotNil(textField.placeholderLabel)

    textField.borderView?.borderFillColor = .purple
    XCTAssertEqual(textField.borderView?.borderFillColor, .purple)

    let borderPath = UIBezierPath(ovalIn: CGRect(x: 0, y: 0, width: 100, height: 100))
    textField.borderView?.borderPath = borderPath
    XCTAssertEqual(textField.borderView?.borderPath, borderPath)

    textField.borderView?.borderStrokeColor = .orange
    XCTAssertEqual(textField.borderView?.borderStrokeColor, .orange)

    textField.clearButton.tintColor = .red
    XCTAssertEqual(textField.clearButton.tintColor, .red)

    textField.cursorColor = .yellow
    XCTAssertEqual(textField.cursorColor, .yellow)

    textField.borderView?.borderFillColor = nil
    XCTAssertNotEqual(textField.borderView?.borderFillColor, .purple)

    textField.borderView?.borderPath = nil
    XCTAssertNotEqual(textField.borderView?.borderPath, borderPath)

    textField.borderView?.borderStrokeColor = nil
    XCTAssertNotEqual(textField.borderView?.borderStrokeColor, .orange)

    let font = UIFont.boldSystemFont(ofSize: 6)
    textField.font = font
    XCTAssertEqual(font, textField.font)

    let testLeading = "Helper Test"
    textField.leadingUnderlineLabel.text = testLeading
    XCTAssertEqual(testLeading, textField.leadingUnderlineLabel.text)

    let testPlaceholder = "Test placeholder"
    textField.placeholder = testPlaceholder
    XCTAssertEqual(testPlaceholder, textField.placeholder)

    let testText = "Test text"
    textField.text = testText
    XCTAssertEqual(testText, textField.text)

    textField.textColor = .red
    XCTAssertEqual(.red, textField.textColor)

    let trailingView = UIView()
    textField.trailingView = trailingView
    XCTAssertEqual(textField.trailingView, trailingView)

    let testTrailing = "NN / NN"
    textField.trailingUnderlineLabel.text = testTrailing
    XCTAssertEqual(testTrailing, textField.trailingUnderlineLabel.text)

    textField.underline?.color = .red
    XCTAssertEqual(.red, textField.underline?.color)

    let width: CGFloat = 5.0
    textField.underline?.lineHeight = width
    XCTAssertEqual(width, textField.underline?.lineHeight)
  }

  func testMDCTextInputProtocolConformanceMultiline() {
    let textField = MDCMultilineTextField()

    XCTAssertNotNil(textField.leadingUnderlineLabel)
    XCTAssertNotNil(textField.trailingUnderlineLabel)
    XCTAssertNotNil(textField.placeholderLabel)

    textField.borderView?.borderFillColor = .purple
    XCTAssertEqual(textField.borderView?.borderFillColor, .purple)

    let borderPath = UIBezierPath(ovalIn: CGRect(x: 0, y: 0, width: 100, height: 100))
    textField.borderView?.borderPath = borderPath
    XCTAssertEqual(textField.borderView?.borderPath, borderPath)

    textField.borderView?.borderStrokeColor = .orange
    XCTAssertEqual(textField.borderView?.borderStrokeColor, .orange)

    textField.borderView?.borderFillColor = nil
    XCTAssertNotEqual(textField.borderView?.borderFillColor, .purple)

    textField.borderView?.borderPath = nil
    XCTAssertNotEqual(textField.borderView?.borderPath, borderPath)

    textField.borderView?.borderStrokeColor = nil
    XCTAssertNotEqual(textField.borderView?.borderStrokeColor, .orange)

    textField.clearButton.tintColor = .red
    XCTAssertEqual(textField.clearButton.tintColor, .red)

    textField.cursorColor = .yellow
    XCTAssertEqual(textField.cursorColor, .yellow)

    let gray = UIColor.gray

    textField.textColor = gray.copy() as? UIColor
    XCTAssertEqual(textField.textColor, gray)

    let testText = "Test text"
    textField.text = testText
    XCTAssertEqual(textField.text, testText)

    let testPlaceholder = "Test placeholder"
    textField.placeholder = testPlaceholder
    XCTAssertEqual(textField.placeholder, testPlaceholder)

    textField.underline?.color = gray.copy() as? UIColor
    XCTAssertEqual(textField.underline?.color, gray)

    let width: CGFloat = 5.0
    textField.underline?.lineHeight = width
    XCTAssertEqual(textField.underline?.lineHeight, width)

    let testLeading = "Helper Test"
    textField.leadingUnderlineLabel.text = testLeading
    XCTAssertEqual(textField.leadingUnderlineLabel.text, testLeading)

    let testTrailing = "NN / NN"
    textField.trailingUnderlineLabel.text = testTrailing
    XCTAssertEqual(textField.trailingUnderlineLabel.text, testTrailing)

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

      RunLoop.main.run(until: Date.init(timeIntervalSinceNow: 1))

  }

  func testMDCMultilineTextInputProtocolConformance() {
    let textField = MDCMultilineTextField()
    XCTAssertEqual(textField.minimumLines, 1)

    textField.minimumLines = 3
    XCTAssertEqual(textField.minimumLines, 3)

    textField.minimumLines = 0
    XCTAssertEqual(textField.minimumLines, 1)
  }
}