alexandrev-tibco
396 lines
11 KiB
Swift
396 lines
11 KiB
Swift
import XCTest
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@testable import PortfolioJournal
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final class DateExtensionsTests: XCTestCase {
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// MARK: - Start of Day
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func testStartOfDay_returnsDateAtMidnight() {
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// Given
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var components = DateComponents()
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components.year = 2024
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components.month = 6
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components.day = 15
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components.hour = 14
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components.minute = 30
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let date = Calendar.current.date(from: components)!
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// When
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let result = date.startOfDay
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// Then
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let resultComponents = Calendar.current.dateComponents([.hour, .minute, .second], from: result)
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XCTAssertEqual(resultComponents.hour, 0)
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XCTAssertEqual(resultComponents.minute, 0)
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XCTAssertEqual(resultComponents.second, 0)
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}
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// MARK: - Start of Month
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func testStartOfMonth_returnsFirstDayOfMonth() {
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// Given
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var components = DateComponents()
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components.year = 2024
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components.month = 6
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components.day = 15
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let date = Calendar.current.date(from: components)!
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// When
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let result = date.startOfMonth
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// Then
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let resultComponents = Calendar.current.dateComponents([.day, .month, .year], from: result)
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XCTAssertEqual(resultComponents.day, 1)
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XCTAssertEqual(resultComponents.month, 6)
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XCTAssertEqual(resultComponents.year, 2024)
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}
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// MARK: - Start of Year
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func testStartOfYear_returnsJanuaryFirst() {
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// Given
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var components = DateComponents()
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components.year = 2024
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components.month = 6
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components.day = 15
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let date = Calendar.current.date(from: components)!
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// When
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let result = date.startOfYear
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// Then
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let resultComponents = Calendar.current.dateComponents([.day, .month, .year], from: result)
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XCTAssertEqual(resultComponents.day, 1)
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XCTAssertEqual(resultComponents.month, 1)
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XCTAssertEqual(resultComponents.year, 2024)
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}
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// MARK: - End of Month
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func testEndOfMonth_returnsLastDayOfMonth() {
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// Given: June has 30 days
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var components = DateComponents()
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components.year = 2024
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components.month = 6
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components.day = 15
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let date = Calendar.current.date(from: components)!
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// When
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let result = date.endOfMonth
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// Then
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let resultComponents = Calendar.current.dateComponents([.day, .month], from: result)
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XCTAssertEqual(resultComponents.day, 30)
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XCTAssertEqual(resultComponents.month, 6)
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}
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func testEndOfMonth_handlesFebruaryInLeapYear() {
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// Given: February 2024 (leap year) has 29 days
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var components = DateComponents()
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components.year = 2024
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components.month = 2
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components.day = 10
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let date = Calendar.current.date(from: components)!
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// When
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let result = date.endOfMonth
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// Then
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let resultComponents = Calendar.current.dateComponents([.day, .month], from: result)
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XCTAssertEqual(resultComponents.day, 29)
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XCTAssertEqual(resultComponents.month, 2)
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}
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// MARK: - Same Day Comparison
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func testIsSameDay_withSameDay_returnsTrue() {
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// Given
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var components = DateComponents()
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components.year = 2024
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components.month = 6
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components.day = 15
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components.hour = 10
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let date1 = Calendar.current.date(from: components)!
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components.hour = 20
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let date2 = Calendar.current.date(from: components)!
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// When/Then
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XCTAssertTrue(date1.isSameDay(as: date2))
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}
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func testIsSameDay_withDifferentDays_returnsFalse() {
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// Given
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var components = DateComponents()
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components.year = 2024
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components.month = 6
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components.day = 15
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let date1 = Calendar.current.date(from: components)!
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components.day = 16
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let date2 = Calendar.current.date(from: components)!
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// When/Then
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XCTAssertFalse(date1.isSameDay(as: date2))
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}
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// MARK: - Same Month Comparison
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func testIsSameMonth_withSameMonth_returnsTrue() {
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// Given
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var components = DateComponents()
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components.year = 2024
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components.month = 6
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components.day = 1
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let date1 = Calendar.current.date(from: components)!
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components.day = 30
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let date2 = Calendar.current.date(from: components)!
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// When/Then
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XCTAssertTrue(date1.isSameMonth(as: date2))
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}
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func testIsSameMonth_withDifferentMonths_returnsFalse() {
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// Given
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var components = DateComponents()
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components.year = 2024
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components.month = 6
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components.day = 15
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let date1 = Calendar.current.date(from: components)!
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components.month = 7
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let date2 = Calendar.current.date(from: components)!
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// When/Then
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XCTAssertFalse(date1.isSameMonth(as: date2))
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}
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// MARK: - Same Year Comparison
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func testIsSameYear_withSameYear_returnsTrue() {
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// Given
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var components = DateComponents()
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components.year = 2024
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components.month = 1
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let date1 = Calendar.current.date(from: components)!
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components.month = 12
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let date2 = Calendar.current.date(from: components)!
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// When/Then
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XCTAssertTrue(date1.isSameYear(as: date2))
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}
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func testIsSameYear_withDifferentYears_returnsFalse() {
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// Given
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var components = DateComponents()
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components.year = 2024
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components.month = 6
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let date1 = Calendar.current.date(from: components)!
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components.year = 2023
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let date2 = Calendar.current.date(from: components)!
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// When/Then
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XCTAssertFalse(date1.isSameYear(as: date2))
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}
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// MARK: - Adding Time
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func testAddingDays_addsCorrectly() {
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// Given
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var components = DateComponents()
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components.year = 2024
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components.month = 6
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components.day = 15
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let date = Calendar.current.date(from: components)!
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// When
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let result = date.adding(days: 10)
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// Then
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let resultComponents = Calendar.current.dateComponents([.day, .month], from: result)
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XCTAssertEqual(resultComponents.day, 25)
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}
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func testAddingDays_handlesNegativeValues() {
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// Given
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var components = DateComponents()
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components.year = 2024
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components.month = 6
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components.day = 15
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let date = Calendar.current.date(from: components)!
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// When
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let result = date.adding(days: -10)
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// Then
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let resultComponents = Calendar.current.dateComponents([.day, .month], from: result)
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XCTAssertEqual(resultComponents.day, 5)
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}
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func testAddingMonths_addsCorrectly() {
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// Given
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var components = DateComponents()
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components.year = 2024
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components.month = 6
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components.day = 15
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let date = Calendar.current.date(from: components)!
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// When
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let result = date.adding(months: 3)
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// Then
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let resultComponents = Calendar.current.dateComponents([.month, .year], from: result)
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XCTAssertEqual(resultComponents.month, 9)
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XCTAssertEqual(resultComponents.year, 2024)
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}
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func testAddingYears_addsCorrectly() {
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// Given
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var components = DateComponents()
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components.year = 2024
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components.month = 6
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components.day = 15
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let date = Calendar.current.date(from: components)!
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// When
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let result = date.adding(years: 2)
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// Then
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let resultComponents = Calendar.current.dateComponents([.year], from: result)
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XCTAssertEqual(resultComponents.year, 2026)
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}
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// MARK: - Days Between
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func testDaysBetween_calculatesCorrectly() {
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// Given
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var components = DateComponents()
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components.year = 2024
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components.month = 6
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components.day = 1
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let startDate = Calendar.current.date(from: components)!
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components.day = 15
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let endDate = Calendar.current.date(from: components)!
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// When
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let result = startDate.daysBetween(endDate)
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// Then
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XCTAssertEqual(result, 14)
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}
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func testDaysBetween_withReversedDates_returnsNegative() {
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// Given
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var components = DateComponents()
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components.year = 2024
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components.month = 6
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components.day = 15
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let startDate = Calendar.current.date(from: components)!
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components.day = 1
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let endDate = Calendar.current.date(from: components)!
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// When
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let result = startDate.daysBetween(endDate)
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// Then
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XCTAssertEqual(result, -14)
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}
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// MARK: - Months Between
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func testMonthsBetween_calculatesCorrectly() {
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// Given
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var components = DateComponents()
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components.year = 2024
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components.month = 1
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components.day = 15
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let startDate = Calendar.current.date(from: components)!
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components.month = 6
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let endDate = Calendar.current.date(from: components)!
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// When
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let result = startDate.monthsBetween(endDate)
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// Then
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XCTAssertEqual(result, 5)
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}
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// MARK: - Years Between
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func testYearsBetween_calculatesCorrectly() {
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// Given
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var components = DateComponents()
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components.year = 2020
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components.month = 1
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components.day = 1
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let startDate = Calendar.current.date(from: components)!
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components.year = 2024
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let endDate = Calendar.current.date(from: components)!
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// When
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let result = startDate.yearsBetween(endDate)
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// Then
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XCTAssertEqual(result, 4.0, accuracy: 0.1)
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}
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// MARK: - DateRange Tests
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func testDateRange_contains_withDateInRange_returnsTrue() {
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// Given
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var components = DateComponents()
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components.year = 2024
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components.month = 6
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components.day = 1
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let start = Calendar.current.date(from: components)!
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components.day = 30
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let end = Calendar.current.date(from: components)!
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let range = DateRange(start: start, end: end)
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components.day = 15
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let testDate = Calendar.current.date(from: components)!
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// When/Then
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XCTAssertTrue(range.contains(testDate))
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}
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func testDateRange_contains_withDateOutsideRange_returnsFalse() {
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// Given
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var components = DateComponents()
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components.year = 2024
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components.month = 6
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components.day = 1
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let start = Calendar.current.date(from: components)!
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components.day = 30
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let end = Calendar.current.date(from: components)!
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let range = DateRange(start: start, end: end)
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components.month = 7
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components.day = 15
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let testDate = Calendar.current.date(from: components)!
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// When/Then
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XCTAssertFalse(range.contains(testDate))
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}
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func testDateRange_lastMonths_createsCorrectRange() {
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// Given/When
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let range = DateRange.last(months: 3)
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// Then
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let monthsDiff = range.start.monthsBetween(range.end)
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XCTAssertEqual(monthsDiff, 3)
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}
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}
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