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Diffstat (limited to 'src/StardewModdingAPI.Tests/Core/TranslationTests.cs')
| -rw-r--r-- | src/StardewModdingAPI.Tests/Core/TranslationTests.cs | 357 |
1 files changed, 357 insertions, 0 deletions
diff --git a/src/StardewModdingAPI.Tests/Core/TranslationTests.cs b/src/StardewModdingAPI.Tests/Core/TranslationTests.cs new file mode 100644 index 00000000..8511e765 --- /dev/null +++ b/src/StardewModdingAPI.Tests/Core/TranslationTests.cs @@ -0,0 +1,357 @@ +using System; +using System.Collections.Generic; +using System.Linq; +using NUnit.Framework; +using StardewModdingAPI.Framework; +using StardewModdingAPI.Framework.ModHelpers; +using StardewValley; + +namespace StardewModdingAPI.Tests.Core +{ + /// <summary>Unit tests for <see cref="TranslationHelper"/> and <see cref="Translation"/>.</summary> + [TestFixture] + public class TranslationTests + { + /********* + ** Data + *********/ + /// <summary>Sample translation text for unit tests.</summary> + public static string[] Samples = { null, "", " ", "boop", " boop " }; + + + /********* + ** Unit tests + *********/ + /**** + ** Translation helper + ****/ + [Test(Description = "Assert that the translation helper correctly handles no translations.")] + public void Helper_HandlesNoTranslations() + { + // arrange + var data = new Dictionary<string, IDictionary<string, string>>(); + + // act + ITranslationHelper helper = new TranslationHelper("ModID", "ModName", "en", LocalizedContentManager.LanguageCode.en).SetTranslations(data); + Translation translation = helper.Get("key"); + Translation[] translationList = helper.GetTranslations()?.ToArray(); + + // assert + Assert.AreEqual("en", helper.Locale, "The locale doesn't match the input value."); + Assert.AreEqual(LocalizedContentManager.LanguageCode.en, helper.LocaleEnum, "The locale enum doesn't match the input value."); + Assert.IsNotNull(translationList, "The full list of translations is unexpectedly null."); + Assert.AreEqual(0, translationList.Length, "The full list of translations is unexpectedly not empty."); + + Assert.IsNotNull(translation, "The translation helper unexpectedly returned a null translation."); + Assert.AreEqual(this.GetPlaceholderText("key"), translation.ToString(), "The translation returned an unexpected value."); + } + + [Test(Description = "Assert that the translation helper returns the expected translations correctly.")] + public void Helper_GetTranslations_ReturnsExpectedText() + { + // arrange + var data = this.GetSampleData(); + var expected = this.GetExpectedTranslations(); + + // act + var actual = new Dictionary<string, Translation[]>(); + TranslationHelper helper = new TranslationHelper("ModID", "ModName", "en", LocalizedContentManager.LanguageCode.en).SetTranslations(data); + foreach (string locale in expected.Keys) + { + this.AssertSetLocale(helper, locale, LocalizedContentManager.LanguageCode.en); + actual[locale] = helper.GetTranslations()?.ToArray(); + } + + // assert + foreach (string locale in expected.Keys) + { + Assert.IsNotNull(actual[locale], $"The translations for {locale} is unexpectedly null."); + Assert.That(actual[locale], Is.EquivalentTo(expected[locale]).Using<Translation, Translation>(this.CompareEquality), $"The translations for {locale} don't match the expected values."); + } + } + + [Test(Description = "Assert that the translations returned by the helper has the expected text.")] + public void Helper_Get_ReturnsExpectedText() + { + // arrange + var data = this.GetSampleData(); + var expected = this.GetExpectedTranslations(); + + // act + var actual = new Dictionary<string, Translation[]>(); + TranslationHelper helper = new TranslationHelper("ModID", "ModName", "en", LocalizedContentManager.LanguageCode.en).SetTranslations(data); + foreach (string locale in expected.Keys) + { + this.AssertSetLocale(helper, locale, LocalizedContentManager.LanguageCode.en); + + List<Translation> translations = new List<Translation>(); + foreach (Translation translation in expected[locale]) + translations.Add(helper.Get(translation.Key)); + actual[locale] = translations.ToArray(); + } + + // assert + foreach (string locale in expected.Keys) + { + Assert.IsNotNull(actual[locale], $"The translations for {locale} is unexpectedly null."); + Assert.That(actual[locale], Is.EquivalentTo(expected[locale]).Using<Translation, Translation>(this.CompareEquality), $"The translations for {locale} don't match the expected values."); + } + } + + /**** + ** Translation + ****/ + [Test(Description = "Assert that HasValue returns the expected result for various inputs.")] + [TestCase(null, ExpectedResult = false)] + [TestCase("", ExpectedResult = false)] + [TestCase(" ", ExpectedResult = true)] + [TestCase("boop", ExpectedResult = true)] + [TestCase(" boop ", ExpectedResult = true)] + public bool Translation_HasValue(string text) + { + return new Translation("ModName", "pt-BR", "key", text).HasValue(); + } + + [Test(Description = "Assert that the translation's ToString method returns the expected text for various inputs.")] + public void Translation_ToString([ValueSource(nameof(TranslationTests.Samples))] string text) + { + // act + Translation translation = new Translation("ModName", "pt-BR", "key", text); + + // assert + if (translation.HasValue()) + Assert.AreEqual(text, translation.ToString(), "The translation returned an unexpected value given a valid input."); + else + Assert.AreEqual(this.GetPlaceholderText("key"), translation.ToString(), "The translation returned an unexpected value given a null or empty input."); + } + + [Test(Description = "Assert that the translation's implicit string conversion returns the expected text for various inputs.")] + public void Translation_ImplicitStringConversion([ValueSource(nameof(TranslationTests.Samples))] string text) + { + // act + Translation translation = new Translation("ModName", "pt-BR", "key", text); + + // assert + if (translation.HasValue()) + Assert.AreEqual(text, (string)translation, "The translation returned an unexpected value given a valid input."); + else + Assert.AreEqual(this.GetPlaceholderText("key"), (string)translation, "The translation returned an unexpected value given a null or empty input."); + } + + [Test(Description = "Assert that the translation returns the expected text given a use-placeholder setting.")] + public void Translation_UsePlaceholder([Values(true, false)] bool value, [ValueSource(nameof(TranslationTests.Samples))] string text) + { + // act + Translation translation = new Translation("ModName", "pt-BR", "key", text).UsePlaceholder(value); + + // assert + if (translation.HasValue()) + Assert.AreEqual(text, translation.ToString(), "The translation returned an unexpected value given a valid input."); + else if (!value) + Assert.AreEqual(text, translation.ToString(), "The translation returned an unexpected value given a null or empty input with the placeholder disabled."); + else + Assert.AreEqual(this.GetPlaceholderText("key"), translation.ToString(), "The translation returned an unexpected value given a null or empty input with the placeholder enabled."); + } + + [Test(Description = "Assert that the translation's Assert method throws the expected exception.")] + public void Translation_Assert([ValueSource(nameof(TranslationTests.Samples))] string text) + { + // act + Translation translation = new Translation("ModName", "pt-BR", "key", text); + + // assert + if (translation.HasValue()) + Assert.That(() => translation.Assert(), Throws.Nothing, "The assert unexpected threw an exception for a valid input."); + else + Assert.That(() => translation.Assert(), Throws.Exception.TypeOf<KeyNotFoundException>(), "The assert didn't throw an exception for invalid input."); + } + + [Test(Description = "Assert that the translation returns the expected text after setting the default.")] + public void Translation_Default([ValueSource(nameof(TranslationTests.Samples))] string text, [ValueSource(nameof(TranslationTests.Samples))] string @default) + { + // act + Translation translation = new Translation("ModName", "pt-BR", "key", text).Default(@default); + + // assert + if (!string.IsNullOrEmpty(text)) + Assert.AreEqual(text, translation.ToString(), "The translation returned an unexpected value given a valid base text."); + else if (!string.IsNullOrEmpty(@default)) + Assert.AreEqual(@default, translation.ToString(), "The translation returned an unexpected value given a null or empty base text, but valid default."); + else + Assert.AreEqual(this.GetPlaceholderText("key"), translation.ToString(), "The translation returned an unexpected value given a null or empty base and default text."); + } + + /**** + ** Translation tokens + ****/ + [Test(Description = "Assert that multiple translation tokens are replaced correctly regardless of the token structure.")] + public void Translation_Tokens([Values("anonymous object", "class", "IDictionary<string, object>", "IDictionary<string, string>")] string structure) + { + // arrange + string start = Guid.NewGuid().ToString("N"); + string middle = Guid.NewGuid().ToString("N"); + string end = Guid.NewGuid().ToString("N"); + const string input = "{{start}} tokens are properly replaced (including {{middle}} {{ MIDdlE}}) {{end}}"; + string expected = $"{start} tokens are properly replaced (including {middle} {middle}) {end}"; + + // act + Translation translation = new Translation("ModName", "pt-BR", "key", input); + switch (structure) + { + case "anonymous object": + translation = translation.Tokens(new { start, middle, end }); + break; + + case "class": + translation = translation.Tokens(new TokenModel { Start = start, Middle = middle, End = end }); + break; + + case "IDictionary<string, object>": + translation = translation.Tokens(new Dictionary<string, object> { ["start"] = start, ["middle"] = middle, ["end"] = end }); + break; + + case "IDictionary<string, string>": + translation = translation.Tokens(new Dictionary<string, string> { ["start"] = start, ["middle"] = middle, ["end"] = end }); + break; + + default: + throw new NotSupportedException($"Unknown structure '{structure}'."); + } + + // assert + Assert.AreEqual(expected, translation.ToString(), "The translation returned an unexpected text."); + } + + [Test(Description = "Assert that the translation can replace tokens in all valid formats.")] + [TestCase("{{value}}", "value")] + [TestCase("{{ value }}", "value")] + [TestCase("{{value }}", "value")] + [TestCase("{{ the_value }}", "the_value")] + [TestCase("{{ the.value_here }}", "the.value_here")] + [TestCase("{{ the_value-here.... }}", "the_value-here....")] + [TestCase("{{ tHe_vALuE-HEre.... }}", "tHe_vALuE-HEre....")] + public void Translation_Tokens_ValidFormats(string text, string key) + { + // arrange + string value = Guid.NewGuid().ToString("N"); + + // act + Translation translation = new Translation("ModName", "pt-BR", "key", text).Tokens(new Dictionary<string, object> { [key] = value }); + + // assert + Assert.AreEqual(value, translation.ToString(), "The translation returned an unexpected value given a valid base text."); + } + + [Test(Description = "Assert that translation tokens are case-insensitive and surrounding-whitespace-insensitive.")] + [TestCase("{{value}}", "value")] + [TestCase("{{VaLuE}}", "vAlUe")] + [TestCase("{{VaLuE }}", " vAlUe")] + public void Translation_Tokens_KeysAreNormalised(string text, string key) + { + // arrange + string value = Guid.NewGuid().ToString("N"); + + // act + Translation translation = new Translation("ModName", "pt-BR", "key", text).Tokens(new Dictionary<string, object> { [key] = value }); + + // assert + Assert.AreEqual(value, translation.ToString(), "The translation returned an unexpected value given a valid base text."); + } + + + /********* + ** Private methods + *********/ + /// <summary>Set a translation helper's locale and assert that it was set correctly.</summary> + /// <param name="helper">The translation helper to change.</param> + /// <param name="locale">The expected locale.</param> + /// <param name="localeEnum">The expected game language code.</param> + private void AssertSetLocale(TranslationHelper helper, string locale, LocalizedContentManager.LanguageCode localeEnum) + { + helper.SetLocale(locale, localeEnum); + Assert.AreEqual(locale, helper.Locale, "The locale doesn't match the input value."); + Assert.AreEqual(localeEnum, helper.LocaleEnum, "The locale enum doesn't match the input value."); + } + + /// <summary>Get sample raw translations to input.</summary> + private IDictionary<string, IDictionary<string, string>> GetSampleData() + { + return new Dictionary<string, IDictionary<string, string>> + { + ["default"] = new Dictionary<string, string> + { + ["key A"] = "default A", + ["key C"] = "default C" + }, + ["en"] = new Dictionary<string, string> + { + ["key A"] = "en A", + ["key B"] = "en B" + }, + ["en-US"] = new Dictionary<string, string>(), + ["zzz"] = new Dictionary<string, string> + { + ["key A"] = "zzz A" + } + }; + } + + /// <summary>Get the expected translation output given <see cref="TranslationTests.GetSampleData"/>, based on the expected locale fallback.</summary> + private IDictionary<string, Translation[]> GetExpectedTranslations() + { + var expected = new Dictionary<string, Translation[]> + { + ["default"] = new[] + { + new Translation(string.Empty, "default", "key A", "default A"), + new Translation(string.Empty, "default", "key C", "default C") + }, + ["en"] = new[] + { + new Translation(string.Empty, "en", "key A", "en A"), + new Translation(string.Empty, "en", "key B", "en B"), + new Translation(string.Empty, "en", "key C", "default C") + }, + ["zzz"] = new[] + { + new Translation(string.Empty, "zzz", "key A", "zzz A"), + new Translation(string.Empty, "zzz", "key C", "default C") + } + }; + expected["en-us"] = expected["en"].ToArray(); + return expected; + } + + /// <summary>Get whether two translations have the same public values.</summary> + /// <param name="a">The first translation to compare.</param> + /// <param name="b">The second translation to compare.</param> + private bool CompareEquality(Translation a, Translation b) + { + return a.Key == b.Key && a.ToString() == b.ToString(); + } + + /// <summary>Get the default placeholder text when a translation is missing.</summary> + /// <param name="key">The translation key.</param> + private string GetPlaceholderText(string key) + { + return string.Format(Translation.PlaceholderText, key); + } + + + /********* + ** Test models + *********/ + /// <summary>A model used to test token support.</summary> + private class TokenModel + { + /// <summary>A sample token property.</summary> + public string Start { get; set; } + + /// <summary>A sample token property.</summary> + public string Middle { get; set; } + + /// <summary>A sample token field.</summary> + public string End; + } + } +} |