bitwarden-server/test/Core.Test/Utilities/StrictEmailAddressAttributeTests.cs

using Bit.Core.Utilities;
using Xunit;

namespace Bit.Core.Test.Utilities;

public class StrictEmailAttributeTests
{
    [Theory]
    [InlineData("hello@world.com")]         // regular email address
    [InlineData("hello@world.planet.com")]  // subdomain
    [InlineData("hello+1@world.com")]       // alias
    [InlineData("hello.there@world.com")]   // period in local-part
    [InlineData("hello@wörldé.com")]        // unicode domain
    [InlineData("hello@world.cömé")]        // unicode top-level domain
    public void IsValid_ReturnsTrueWhenValid(string email)
    {
        var sut = new StrictEmailAddressAttribute();

        var actual = sut.IsValid(email);

        Assert.True(actual);
    }

    [Theory]
    [InlineData(null)]                                  // null
    [InlineData("hello@world.com\t")]                   // trailing tab char
    [InlineData("\thello@world.com")]                   // leading tab char
    [InlineData("hel\tlo@world.com")]                   // local-part tab char
    [InlineData("hello@world.com\b")]                   // trailing backspace char
    [InlineData("\"   \"hello@world.com")]              // leading spaces in quotes
    [InlineData("hello@world.com\"    \"")]             // trailing spaces in quotes
    [InlineData("hel\"   \"lo@world.com")]              // local-part spaces in quotes
    [InlineData("hello there@world.com")]               // unescaped unquoted spaces
    [InlineData("Hello <hello@world.com>")]             // friendly from
    [InlineData("<hello@world.com>")]                   // wrapped angle brackets
    [InlineData("hello(com)there@world.com")]           // comment
    [InlineData("hello@world.com.")]                    // trailing period
    [InlineData(".hello@world.com")]                    // leading period
    [InlineData("hello@world.com;")]                    // trailing semicolon
    [InlineData(";hello@world.com")]                    // leading semicolon
    [InlineData("hello@world.com; hello@world.com")]    // semicolon separated list
    [InlineData("hello@world.com, hello@world.com")]    // comma separated list
    [InlineData("hellothere@worldcom")]                 // dotless domain
    [InlineData("hello.there@worldcom")]                // dotless domain
    [InlineData("hellothere@.worldcom")]                // domain beginning with dot
    [InlineData("hellothere@worldcom.")]                // domain ending in dot
    [InlineData("hellothere@world.com-")]               // domain ending in hyphen
    [InlineData("hellö@world.com")]                     // unicode at end of local-part
    [InlineData("héllo@world.com")]                     // unicode in middle of local-part
    public void IsValid_ReturnsFalseWhenInvalid(string email)
    {
        var sut = new StrictEmailAddressAttribute();

        var actual = sut.IsValid(email);

        Assert.False(actual);
    }
}