FormView/Tests/FormViewTests/FormViewTests.swift at 47a0d6e3fb36ca2563c7af186636c5133d267040 · MobileUpLLC/FormView · GitHub

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//
//  FormViewTests.swift
//
//
//  Created by Maxim Aliev on 18.02.2023.
//

import SwiftUI
import XCTest
import ViewInspector
import Combine
@testable import FormView

final class FormViewTests: XCTestCase {
    func testPreventInvalidInput() throws {
        var text1 = ""
        var text2 = ""
        let sut = InspectionWrapperView(
            wrapped: FormView {
                ScrollView {
                    FormField(
                        value: Binding(get: { text1 }, set: { text1 = $0 }),
                        validationRules: [.digitsOnly]
                    )
                    .id(1)
                    FormField(value: Binding(get: { text2 }, set: { text2 = $0 }))
                    .id(2)
                }
            }
        )

        let exp = sut.inspection.inspect { view in
            let scrollView = try view.find(ViewType.ScrollView.self)
            let textField1 = try view.find(viewWithId: 1).textField()

            try scrollView.callOnSubmit()
            try textField1.callOnChange(newValue: "New Focus Field", index: 1)
            try textField1.callOnChange(newValue: "123")
            XCTAssertEqual(try textField1.input(), "123")

            text1 = "123"
            try textField1.callOnChange(newValue: "123_A")
            XCTAssertEqual(try textField1.input(), text1)
        }

        ViewHosting.host(view: sut)
        wait(for: [exp], timeout: 0.1)
    }

    func testSubmitTextField() throws {
        var text1 = ""
        var text2 = ""
        let sut = InspectionWrapperView(
            wrapped: FormView {
                ScrollView {
                    FormField(
                        value: Binding(get: { text1 }, set: { text1 = $0 }),
                        validationRules: [.digitsOnly]
                    )
                    .id(1)
                    FormField(value: Binding(get: { text2 }, set: { text2 = $0 }))
                    .id(2)
                }
            }
        )

        let exp = sut.inspection.inspect { view in
            let scrollView = try view.find(ViewType.ScrollView.self)
            let textField1 = try view.find(viewWithId: 1).textField()
//            let formField2 = try view.find(viewWithId: 2).view(FormField.self).actualView()

            try scrollView.callOnSubmit()
            try textField1.callOnChange(newValue: "field2", index: 1)

//            XCTAssertEqual(formField2.focusField, "field2")
            XCTAssertTrue(true)
        }

        ViewHosting.host(view: sut.environment(\.focusField, "field1"))
        wait(for: [exp], timeout: 0.1)
    }

    func testFocusNextField() throws {
        var fieldStates = [FieldState(id: "1", isFocused: false), FieldState(id: "2", isFocused: false)]

        var nextFocusField = fieldStates.focusNextField(currentFocusField: "")
        XCTAssertEqual(nextFocusField, "1")

        nextFocusField = fieldStates.focusNextField(currentFocusField: "1")
        XCTAssertEqual(nextFocusField, "2")
    }
}