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Diffstat (limited to 'src/StardewModdingAPI.Tests/Utilities/SDateTests.cs')
-rw-r--r-- | src/StardewModdingAPI.Tests/Utilities/SDateTests.cs | 255 |
1 files changed, 0 insertions, 255 deletions
diff --git a/src/StardewModdingAPI.Tests/Utilities/SDateTests.cs b/src/StardewModdingAPI.Tests/Utilities/SDateTests.cs deleted file mode 100644 index 25acbaf3..00000000 --- a/src/StardewModdingAPI.Tests/Utilities/SDateTests.cs +++ /dev/null @@ -1,255 +0,0 @@ -using System; -using System.Collections.Generic; -using System.Diagnostics.CodeAnalysis; -using System.Linq; -using System.Text.RegularExpressions; -using NUnit.Framework; -using StardewModdingAPI.Utilities; - -namespace StardewModdingAPI.Tests.Utilities -{ - /// <summary>Unit tests for <see cref="SDate"/>.</summary> - [TestFixture] - internal class SDateTests - { - /********* - ** Properties - *********/ - /// <summary>All valid seasons.</summary> - private static readonly string[] ValidSeasons = { "spring", "summer", "fall", "winter" }; - - /// <summary>All valid days of a month.</summary> - private static readonly int[] ValidDays = Enumerable.Range(1, 28).ToArray(); - - /// <summary>Sample relative dates for test cases.</summary> - private static class Dates - { - /// <summary>The base date to which other dates are relative.</summary> - public const string Now = "02 summer Y2"; - - /// <summary>The day before <see cref="Now"/>.</summary> - public const string PrevDay = "01 summer Y2"; - - /// <summary>The month before <see cref="Now"/>.</summary> - public const string PrevMonth = "02 spring Y2"; - - /// <summary>The year before <see cref="Now"/>.</summary> - public const string PrevYear = "02 summer Y1"; - - /// <summary>The day after <see cref="Now"/>.</summary> - public const string NextDay = "03 summer Y2"; - - /// <summary>The month after <see cref="Now"/>.</summary> - public const string NextMonth = "02 fall Y2"; - - /// <summary>The year after <see cref="Now"/>.</summary> - public const string NextYear = "02 summer Y3"; - } - - - /********* - ** Unit tests - *********/ - /**** - ** Constructor - ****/ - [Test(Description = "Assert that the constructor sets the expected values for all valid dates.")] - public void Constructor_SetsExpectedValues([ValueSource(nameof(SDateTests.ValidSeasons))] string season, [ValueSource(nameof(SDateTests.ValidDays))] int day, [Values(1, 2, 100)] int year) - { - // act - SDate date = new SDate(day, season, year); - - // assert - Assert.AreEqual(day, date.Day); - Assert.AreEqual(season, date.Season); - Assert.AreEqual(year, date.Year); - } - - [Test(Description = "Assert that the constructor throws an exception if the values are invalid.")] - [TestCase(01, "Spring", 1)] // seasons are case-sensitive - [TestCase(01, "springs", 1)] // invalid season name - [TestCase(-1, "spring", 1)] // day < 0 - [TestCase(29, "spring", 1)] // day > 28 - [TestCase(01, "spring", -1)] // year < 1 - [TestCase(01, "spring", 0)] // year < 1 - [SuppressMessage("ReSharper", "AssignmentIsFullyDiscarded", Justification = "Deliberate for unit test.")] - public void Constructor_RejectsInvalidValues(int day, string season, int year) - { - // act & assert - Assert.Throws<ArgumentException>(() => _ = new SDate(day, season, year), "Constructing the invalid date didn't throw the expected exception."); - } - - /**** - ** ToString - ****/ - [Test(Description = "Assert that ToString returns the expected string.")] - [TestCase("14 spring Y1", ExpectedResult = "14 spring Y1")] - [TestCase("01 summer Y16", ExpectedResult = "01 summer Y16")] - [TestCase("28 fall Y10", ExpectedResult = "28 fall Y10")] - [TestCase("01 winter Y1", ExpectedResult = "01 winter Y1")] - public string ToString(string dateStr) - { - return this.GetDate(dateStr).ToString(); - } - - /**** - ** AddDays - ****/ - [Test(Description = "Assert that AddDays returns the expected date.")] - [TestCase("01 spring Y1", 15, ExpectedResult = "16 spring Y1")] // day transition - [TestCase("01 spring Y1", 28, ExpectedResult = "01 summer Y1")] // season transition - [TestCase("01 spring Y1", 28 * 4, ExpectedResult = "01 spring Y2")] // year transition - [TestCase("01 spring Y1", 28 * 7 + 17, ExpectedResult = "18 winter Y2")] // year transition - [TestCase("15 spring Y1", -14, ExpectedResult = "01 spring Y1")] // negative day transition - [TestCase("15 summer Y1", -28, ExpectedResult = "15 spring Y1")] // negative season transition - [TestCase("15 summer Y2", -28 * 4, ExpectedResult = "15 summer Y1")] // negative year transition - [TestCase("01 spring Y3", -(28 * 7 + 17), ExpectedResult = "12 spring Y1")] // negative year transition - [TestCase("06 fall Y2", 50, ExpectedResult = "28 winter Y3")] // test for zero-index errors - [TestCase("06 fall Y2", 51, ExpectedResult = "01 spring Y3")] // test for zero-index errors - public string AddDays(string dateStr, int addDays) - { - return this.GetDate(dateStr).AddDays(addDays).ToString(); - } - - /**** - ** GetHashCode - ****/ - [Test(Description = "Assert that GetHashCode returns a unique ordered value for every date.")] - public void GetHashCode_ReturnsUniqueOrderedValue() - { - IDictionary<int, SDate> hashes = new Dictionary<int, SDate>(); - int lastHash = int.MinValue; - for (int year = 1; year <= 4; year++) - { - foreach (string season in SDateTests.ValidSeasons) - { - foreach (int day in SDateTests.ValidDays) - { - SDate date = new SDate(day, season, year); - int hash = date.GetHashCode(); - if (hashes.TryGetValue(hash, out SDate otherDate)) - Assert.Fail($"Received identical hash code {hash} for dates {otherDate} and {date}."); - if (hash < lastHash) - Assert.Fail($"Received smaller hash code for date {date} ({hash}) relative to {hashes[lastHash]} ({lastHash})."); - - lastHash = hash; - hashes[hash] = date; - } - } - } - } - - [Test(Description = "Assert that the == operator returns the expected values. We only need a few test cases, since it's based on GetHashCode which is tested more thoroughly.")] - [TestCase(Dates.Now, null, ExpectedResult = false)] - [TestCase(Dates.Now, Dates.PrevDay, ExpectedResult = false)] - [TestCase(Dates.Now, Dates.PrevMonth, ExpectedResult = false)] - [TestCase(Dates.Now, Dates.PrevYear, ExpectedResult = false)] - [TestCase(Dates.Now, Dates.Now, ExpectedResult = true)] - [TestCase(Dates.Now, Dates.NextDay, ExpectedResult = false)] - [TestCase(Dates.Now, Dates.NextMonth, ExpectedResult = false)] - [TestCase(Dates.Now, Dates.NextYear, ExpectedResult = false)] - public bool Operators_Equals(string now, string other) - { - return this.GetDate(now) == this.GetDate(other); - } - - [Test(Description = "Assert that the != operator returns the expected values. We only need a few test cases, since it's based on GetHashCode which is tested more thoroughly.")] - [TestCase(Dates.Now, null, ExpectedResult = true)] - [TestCase(Dates.Now, Dates.PrevDay, ExpectedResult = true)] - [TestCase(Dates.Now, Dates.PrevMonth, ExpectedResult = true)] - [TestCase(Dates.Now, Dates.PrevYear, ExpectedResult = true)] - [TestCase(Dates.Now, Dates.Now, ExpectedResult = false)] - [TestCase(Dates.Now, Dates.NextDay, ExpectedResult = true)] - [TestCase(Dates.Now, Dates.NextMonth, ExpectedResult = true)] - [TestCase(Dates.Now, Dates.NextYear, ExpectedResult = true)] - public bool Operators_NotEquals(string now, string other) - { - return this.GetDate(now) != this.GetDate(other); - } - - [Test(Description = "Assert that the < operator returns the expected values. We only need a few test cases, since it's based on GetHashCode which is tested more thoroughly.")] - [TestCase(Dates.Now, null, ExpectedResult = false)] - [TestCase(Dates.Now, Dates.PrevDay, ExpectedResult = false)] - [TestCase(Dates.Now, Dates.PrevMonth, ExpectedResult = false)] - [TestCase(Dates.Now, Dates.PrevYear, ExpectedResult = false)] - [TestCase(Dates.Now, Dates.Now, ExpectedResult = false)] - [TestCase(Dates.Now, Dates.NextDay, ExpectedResult = true)] - [TestCase(Dates.Now, Dates.NextMonth, ExpectedResult = true)] - [TestCase(Dates.Now, Dates.NextYear, ExpectedResult = true)] - public bool Operators_LessThan(string now, string other) - { - return this.GetDate(now) < this.GetDate(other); - } - - [Test(Description = "Assert that the <= operator returns the expected values. We only need a few test cases, since it's based on GetHashCode which is tested more thoroughly.")] - [TestCase(Dates.Now, null, ExpectedResult = false)] - [TestCase(Dates.Now, Dates.PrevDay, ExpectedResult = false)] - [TestCase(Dates.Now, Dates.PrevMonth, ExpectedResult = false)] - [TestCase(Dates.Now, Dates.PrevYear, ExpectedResult = false)] - [TestCase(Dates.Now, Dates.Now, ExpectedResult = true)] - [TestCase(Dates.Now, Dates.NextDay, ExpectedResult = true)] - [TestCase(Dates.Now, Dates.NextMonth, ExpectedResult = true)] - [TestCase(Dates.Now, Dates.NextYear, ExpectedResult = true)] - public bool Operators_LessThanOrEqual(string now, string other) - { - return this.GetDate(now) <= this.GetDate(other); - } - - [Test(Description = "Assert that the > operator returns the expected values. We only need a few test cases, since it's based on GetHashCode which is tested more thoroughly.")] - [TestCase(Dates.Now, null, ExpectedResult = false)] - [TestCase(Dates.Now, Dates.PrevDay, ExpectedResult = true)] - [TestCase(Dates.Now, Dates.PrevMonth, ExpectedResult = true)] - [TestCase(Dates.Now, Dates.PrevYear, ExpectedResult = true)] - [TestCase(Dates.Now, Dates.Now, ExpectedResult = false)] - [TestCase(Dates.Now, Dates.NextDay, ExpectedResult = false)] - [TestCase(Dates.Now, Dates.NextMonth, ExpectedResult = false)] - [TestCase(Dates.Now, Dates.NextYear, ExpectedResult = false)] - public bool Operators_MoreThan(string now, string other) - { - return this.GetDate(now) > this.GetDate(other); - } - - [Test(Description = "Assert that the > operator returns the expected values. We only need a few test cases, since it's based on GetHashCode which is tested more thoroughly.")] - [TestCase(Dates.Now, null, ExpectedResult = false)] - [TestCase(Dates.Now, Dates.PrevDay, ExpectedResult = true)] - [TestCase(Dates.Now, Dates.PrevMonth, ExpectedResult = true)] - [TestCase(Dates.Now, Dates.PrevYear, ExpectedResult = true)] - [TestCase(Dates.Now, Dates.Now, ExpectedResult = false)] - [TestCase(Dates.Now, Dates.NextDay, ExpectedResult = false)] - [TestCase(Dates.Now, Dates.NextMonth, ExpectedResult = false)] - [TestCase(Dates.Now, Dates.NextYear, ExpectedResult = false)] - public bool Operators_MoreThanOrEqual(string now, string other) - { - return this.GetDate(now) > this.GetDate(other); - } - - - /********* - ** Private methods - *********/ - /// <summary>Convert a string date into a game date, to make unit tests easier to read.</summary> - /// <param name="dateStr">The date string like "dd MMMM yy".</param> - private SDate GetDate(string dateStr) - { - if (dateStr == null) - return null; - - void Fail(string reason) => throw new AssertionException($"Couldn't parse date '{dateStr}' because {reason}."); - - // parse - Match match = Regex.Match(dateStr, @"^(?<day>\d+) (?<season>\w+) Y(?<year>\d+)$"); - if (!match.Success) - Fail("it doesn't match expected pattern (should be like 28 spring Y1)"); - - // extract parts - string season = match.Groups["season"].Value; - if (!int.TryParse(match.Groups["day"].Value, out int day)) - Fail($"'{match.Groups["day"].Value}' couldn't be parsed as a day."); - if (!int.TryParse(match.Groups["year"].Value, out int year)) - Fail($"'{match.Groups["year"].Value}' couldn't be parsed as a year."); - - // build date - return new SDate(day, season, year); - } - } -} |