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Трофимов Никита #239

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55 changes: 1 addition & 54 deletions cs/HomeExercises/NumberValidatorTests.cs
Original file line number Diff line number Diff line change
@@ -1,62 +1,9 @@
using System;
using System.Diagnostics.SymbolStore;
using System.Text.RegularExpressions;
using FluentAssertions;
using NUnit.Framework;
using NUnit.Framework.Internal;

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Тоже лишняя пустая строка


namespace HomeExercises
{
public class NumberValidatorTests
{
[Test]
[TestCase(-1, 2, true, TestName = "Creation_ShouldThrowArgumentException_WhenNegativePrecision")]
[TestCase(0,0,true, TestName = "Creation_ShouldThrowArgumentException_WhenPrecisionIsZero")]
[TestCase(3,-1,true, TestName = "Creation_ShouldThrowArgumentException_WhenNegativeScale")]
[TestCase(1,2,true, TestName = "Creation_ShouldThrowArgumentException_WhenScaleIsGreaterThanPrecision")]
public void Creation_ShouldThrowArgumentException(int precision, int scale, bool onlyPositive)
{
Action creation = () => new NumberValidator(precision, scale, onlyPositive);
creation.Should().Throw<ArgumentException>();
}

[Test]
[TestCase(1, 0, true, TestName = "Creation_ShouldDoesNotThrow_WhenCorrectValue")]
public void Creation_ShouldDoesNotThrow(int precision, int scale, bool onlyPositive)
{
Action creation = () => new NumberValidator(precision, scale, onlyPositive);
creation.Should().NotThrow<ArgumentException>();
}

[Test]
[TestCase(3,2,true, "-+0.0", TestName = "IsValidNumber_ReturnsFalseWhenTwoSigns")]
[TestCase(3,2,true, " -0.0", TestName = "IsValidNumber_ReturnsFalseWhenSpaceFirstDigitInNumber")]
[TestCase(3,2,true, "0,", TestName ="IsValidNumber_ReturnsFalseWhenAren'tDigitsAfterCommas")]
[TestCase(3,2,true, "0.0.0", TestName = "IsValidNumber_ReturnsFalseWhenThreeDigitsInNumberByTwoDots")]
[TestCase(3,2,true, "0,0,0", TestName = "IsValidNumber_ReturnsFalseWhenThreeDigitsInNumberByTwoCommas")]
[TestCase(3, 2, true, "00.00", TestName = "IsValidNumber_ReturnsFalseWhenNumberPrecisionGreaterThanValidatorPrecision")]
[TestCase(3, 2, true, null, TestName = "IsValidNumber_ReturnsFalseWhenNumberNull")]
[TestCase(3, 2, true, "", TestName = "IsValidNumber_ReturnsFalseWhenNumberEmpty")]
[TestCase(3, 2, true, "+1.23", TestName = "IsValidNumber_ReturnsFalseWhenNumberPrecisionGreaterThanValidatorPrecision")]
[TestCase(3, 2, true, "-1.23", TestName = "IsValidNumber_ReturnsFalseWhenNumberNegativeInNumberOnlyPositive")]
[TestCase(17, 2, true, "0.000", TestName = "IsValidNumber_ReturnsFalseWhenNumberScaleGreaterThanValidatorScale")]
[TestCase(17, 2, true, "a.sd", TestName = "IsValidNumber_ReturnsFalseWhenIncorrectNumberFormatBecauseLettersArePresent")]
public void IsValidNumber_False(int precision, int scale, bool onlyPositive, string number)
{
NumberValidator validator = new NumberValidator(precision, scale, onlyPositive);
validator.IsValidNumber(number).Should().BeFalse();
}
[Test]
[TestCase(17, 2, true, "0.0", TestName = "IsValidNumber_ReturnTrueWhenNumberWithFractionalPart")]
[TestCase(17, 2, true, "0", TestName = "IsValidNumber_ReturnTrueWhenOnlyInteger")]
[TestCase(4, 2, true, "+1.23", TestName = "IsValidNumber_ReturnTrueWhenNumberWithSign")]
public void IsValidNumber_True(int precision, int scale, bool onlyPositive, string number)
{
NumberValidator validator = new NumberValidator(precision, scale, onlyPositive);
validator.IsValidNumber(number).Should().BeTrue();
}
}

public class NumberValidator

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Файл все ещё называется NumberValidatorTests)

{
private readonly Regex numberRegex;
Expand Down
60 changes: 1 addition & 59 deletions cs/HomeExercises/ObjectComparison.cs
Original file line number Diff line number Diff line change
@@ -1,63 +1,5 @@
using FluentAssertions;
using NUnit.Framework;

namespace HomeExercises
namespace HomeExercises
{
public class ObjectComparison
{
[Test]
[Description("Проверка текущего царя")]
[Category("ToRefactor")]
public void CheckCurrentTsar()
{
var actualTsar = TsarRegistry.GetCurrentTsar();

var expectedTsar = new Person("Ivan IV The Terrible", 54, 170, 70,
new Person("Vasili III of Russia", 28, 170, 60, null));

actualTsar.Should().BeEquivalentTo(expectedTsar, options => options
.Excluding(tsar => tsar.Parent)
.Excluding(tsar => tsar.Id));
}

[Test]
[Description("Альтернативное решение. Какие у него недостатки?")]
public void CheckCurrentTsar_WithCustomEquality()
{
var actualTsar = TsarRegistry.GetCurrentTsar();
var expectedTsar = new Person("Ivan IV The Terrible", 54, 170, 70,
new Person("Vasili III of Russia", 28, 170, 60, null));

//Какие недостатки у такого подхода?
//Нужно будет переписывать AreEqual в случае изменения полей Person
//Возможна ошибка при написании метода
//Если тест упадет, сообщение об ошибке будет малоинформативным
Assert.True(AreEqual(actualTsar, expectedTsar));
}

private bool AreEqual(Person? actual, Person? expected)
{
if (actual == expected) return true;
if (actual == null || expected == null) return false;
return
actual.Name == expected.Name
&& actual.Age == expected.Age
&& actual.Height == expected.Height
&& actual.Weight == expected.Weight
&& AreEqual(actual.Parent, expected.Parent);
}
}

public class TsarRegistry
{
public static Person GetCurrentTsar()
{
return new Person(
"Ivan IV The Terrible", 54, 170, 70,
new Person("Vasili III of Russia", 28, 170, 60, null));
}
}

public class Person

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И тут название файла не совпадает с названием класса

{
public static int IdCounter = 0;
Expand Down
57 changes: 57 additions & 0 deletions cs/HomeExercises/tests/NumberValidator_Should.cs
Original file line number Diff line number Diff line change
@@ -0,0 +1,57 @@
using FluentAssertions;
using NUnit.Framework;
using System;

namespace HomeExercises.tests
{
public class NumberValidator_Should
{
[TestCase(-1, 2, TestName = "NegativePrecision")]
[TestCase(0, 0, TestName = "PrecisionIsZero")]
[TestCase(3, -1, TestName = "NegativeScale")]
[TestCase(1, 2, TestName = "ScaleIsGreaterThanPrecision")]
[TestCase(1, 1, TestName = "PrecisionEqualsScale")]
public void Creation_ShouldThrowArgumentException(int precision, int scale)
{
Action creation = () => new NumberValidator(precision, scale);
creation.Should().Throw<ArgumentException>();
}

[Test]
public void Creation_ShouldNotThrow()
{
Action creation = () => new NumberValidator(1, 0);
creation
.Should()
.NotThrow<Exception>();

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Лишняя строка пустая

}

[TestCase(3, 2,"-+0.0", TestName = "TwoSigns")]
[TestCase(3, 2," -0.0", TestName = "SpaceFirstDigitInNumber")]
[TestCase(3, 2,"0,", TestName ="Aren'tDigitsAfterCommas")]
[TestCase(3, 2,"0.0.0", TestName = "ThreeDigitsInNumberByTwoDots")]
[TestCase(3, 2,"0,0,0", TestName = "ThreeDigitsInNumberByTwoCommas")]

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Снова форматирование уехало

[TestCase(3, 2, "00.00", TestName = "NumberPrecisionGreaterThanValidatorPrecision")]
[TestCase(3, 2, null, TestName = "NumberNull")]
[TestCase(3, 2, "", TestName = "NumberEmpty")]
[TestCase(3, 2, "+1.23", TestName = "NumberPrecisionGreaterThanValidatorPrecision")]
[TestCase(3, 2, "-1.23", TestName = "NumberNegativeInNumberOnlyPositive")]
[TestCase(17, 2, "0.000", TestName = "NumberScaleGreaterThanValidatorScale")]
[TestCase(17, 2, "a.sd", TestName = "IncorrectNumberFormatBecauseLettersArePresent")]
public void IsValidNumber_False(int precision, int scale, string number)

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Все ещё нет глагола перед False и True тут и ниже, вспомни про порядок именований в тестах

Method_Should..._When...

{
var validator = new NumberValidator(precision, scale);
validator.IsValidNumber(number).Should().BeFalse();
}

[TestCase(17, 2, "0.0", TestName = "NumberWithFractionalPart")]
[TestCase(17, 2, "0", TestName = "OnlyInteger")]
[TestCase(4, 2, "+1.23", TestName = "NumberWithSign")]
public void IsValidNumber_True(int precision, int scale, string number)
{
var validator = new NumberValidator(precision, scale);
validator.IsValidNumber(number).Should().BeTrue();
}
}
}
62 changes: 62 additions & 0 deletions cs/HomeExercises/tests/ObjectComparsion_Should.cs
Original file line number Diff line number Diff line change
@@ -0,0 +1,62 @@
using FluentAssertions;
using NUnit.Framework;


namespace HomeExercises.tests
{
public class ObjectComparsion_Should
{
[Test]
[Description("Проверка текущего царя")]
[Category("ToRefactor")]
public void CheckValuesOfTheCurrentTsar()
{
var actualTsar = TsarRegistry.GetCurrentTsar();

var expectedTsar = new Person("Ivan IV The Terrible", 54, 170, 70,
new Person("Vasili III of Russia", 28, 170, 60, null));

actualTsar.Should().BeEquivalentTo(expectedTsar, options => options
.Excluding(tsar =>
tsar.SelectedMemberInfo.Name == nameof(Person.Id)
&& tsar.SelectedMemberInfo.DeclaringType == typeof(Person)));
}

[Test]
[Description("Альтернативное решение. Какие у него недостатки?")]
public void CheckCurrentTsar_WithCustomEquality()
{
var actualTsar = TsarRegistry.GetCurrentTsar();
var expectedTsar = new Person("Ivan IV The Terrible", 54, 170, 70,
new Person("Vasili III of Russia", 28, 170, 60, null));

//Какие недостатки у такого подхода?
//Нужно будет переписывать AreEqual в случае изменения полей Person
//Возможна ошибка при написании метода
//Если тест упадет, сообщение об ошибке будет малоинформативным
Assert.True(AreEqual(actualTsar, expectedTsar));
}

private bool AreEqual(Person? actual, Person? expected)
{
if (actual == expected) return true;
if (actual == null || expected == null) return false;
return
actual.Name == expected.Name
&& actual.Age == expected.Age
&& actual.Height == expected.Height
&& actual.Weight == expected.Weight
&& AreEqual(actual.Parent, expected.Parent);
}
}

public class TsarRegistry
{
public static Person GetCurrentTsar()
{
return new Person(
"Ivan IV The Terrible", 54, 170, 70,
new Person("Vasili III of Russia", 28, 170, 60, null));
}
}
}