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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
using Microsoft.AspNetCore.InternalTesting;
using Microsoft.Extensions.Primitives;
namespace Microsoft.AspNetCore.Http.Abstractions;
public class QueryStringTests
{
[Fact]
public void CtorThrows_IfQueryDoesNotHaveLeadingQuestionMark()
{
// Act and Assert
ExceptionAssert.ThrowsArgument(() => new QueryString("hello"), "value", "The leading '?' must be included for a non-empty query.");
}
[Fact]
public void CtorNullOrEmpty_Success()
{
var query = new QueryString();
Assert.False(query.HasValue);
Assert.Null(query.Value);
query = new QueryString(null);
Assert.False(query.HasValue);
Assert.Null(query.Value);
query = new QueryString(string.Empty);
Assert.False(query.HasValue);
Assert.Equal(string.Empty, query.Value);
}
[Fact]
public void CtorJustAQuestionMark_Success()
{
var query = new QueryString("?");
Assert.True(query.HasValue);
Assert.Equal("?", query.Value);
}
[Fact]
public void ToString_EncodesHash()
{
var query = new QueryString("?Hello=Wor#ld");
Assert.Equal("?Hello=Wor%23ld", query.ToString());
}
[Theory]
[InlineData("name", "value", "?name=value")]
[InlineData("na me", "val ue", "?na%20me=val%20ue")]
[InlineData("name", "", "?name=")]
[InlineData("name", null, "?name=")]
[InlineData("", "value", "?=value")]
[InlineData("", "", "?=")]
[InlineData("", null, "?=")]
public void CreateNameValue_Success(string name, string? value, string expected)
{
var query = QueryString.Create(name, value!);
Assert.Equal(expected, query.Value);
}
[Fact]
public void CreateFromList_Success()
{
var query = QueryString.Create(new[]
{
new KeyValuePair<string, string?>("key1", "value1"),
new KeyValuePair<string, string?>("key2", "value2"),
new KeyValuePair<string, string?>("key3", "value3"),
new KeyValuePair<string, string?>("key4", null),
new KeyValuePair<string, string?>("key5", "")
});
Assert.Equal("?key1=value1&key2=value2&key3=value3&key4=&key5=", query.Value);
}
[Fact]
public void CreateFromListStringValues_Success()
{
var query = QueryString.Create(new[]
{
new KeyValuePair<string, StringValues>("key1", new StringValues("value1")),
new KeyValuePair<string, StringValues>("key2", new StringValues("value2")),
new KeyValuePair<string, StringValues>("key3", new StringValues("value3")),
new KeyValuePair<string, StringValues>("key4", new StringValues()),
new KeyValuePair<string, StringValues>("key5", new StringValues("")),
});
Assert.Equal("?key1=value1&key2=value2&key3=value3&key4=&key5=", query.Value);
}
[Theory]
[InlineData(null, null, null)]
[InlineData("", "", "")]
[InlineData(null, "?name2=value2", "?name2=value2")]
[InlineData("", "?name2=value2", "?name2=value2")]
[InlineData("?", "?name2=value2", "?name2=value2")]
[InlineData("?name1=value1", null, "?name1=value1")]
[InlineData("?name1=value1", "", "?name1=value1")]
[InlineData("?name1=value1", "?", "?name1=value1")]
[InlineData("?name1=value1", "?name2=value2", "?name1=value1&name2=value2")]
public void AddQueryString_Success(string? query1, string? query2, string? expected)
{
var q1 = new QueryString(query1);
var q2 = new QueryString(query2);
Assert.Equal(expected, q1.Add(q2).Value);
Assert.Equal(expected, (q1 + q2).Value);
}
[Theory]
[InlineData("", "", "", "?=")]
[InlineData("", "", null, "?=")]
[InlineData("?", "", "", "?=")]
[InlineData("?", "", null, "?=")]
[InlineData("?", "name2", "value2", "?name2=value2")]
[InlineData("?", "name2", "", "?name2=")]
[InlineData("?", "name2", null, "?name2=")]
[InlineData("?name1=value1", "name2", "value2", "?name1=value1&name2=value2")]
[InlineData("?name1=value1", "na me2", "val ue2", "?name1=value1&na%20me2=val%20ue2")]
[InlineData("?name1=value1", "", "", "?name1=value1&=")]
[InlineData("?name1=value1", "", null, "?name1=value1&=")]
[InlineData("?name1=value1", "name2", "", "?name1=value1&name2=")]
[InlineData("?name1=value1", "name2", null, "?name1=value1&name2=")]
public void AddNameValue_Success(string query1, string name2, string? value2, string expected)
{
var q1 = new QueryString(query1);
var q2 = q1.Add(name2, value2!);
Assert.Equal(expected, q2.Value);
}
[Fact]
public void Equals_EmptyQueryStringAndDefaultQueryString()
{
// Act and Assert
Assert.Equal(default(QueryString), QueryString.Empty);
Assert.Equal(default(QueryString), QueryString.Empty);
// explicitly checking == operator
Assert.True(QueryString.Empty == default(QueryString));
Assert.True(default(QueryString) == QueryString.Empty);
}
[Fact]
public void NotEquals_DefaultQueryStringAndNonNullQueryString()
{
// Arrange
var queryString = new QueryString("?foo=1");
// Act and Assert
Assert.NotEqual(default(QueryString), queryString);
}
[Fact]
public void NotEquals_EmptyQueryStringAndNonNullQueryString()
{
// Arrange
var queryString = new QueryString("?foo=1");
// Act and Assert
Assert.NotEqual(queryString, QueryString.Empty);
}
}
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