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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.
namespace Microsoft.AspNetCore.Mvc.ModelBinding;
public class PrefixContainerTest
{
[Fact]
public void ContainsPrefix_EmptyCollection_EmptyString_False()
{
// Arrange
var keys = new string[] { };
var container = new PrefixContainer(keys);
// Act
var result = container.ContainsPrefix(string.Empty);
// Assert
Assert.False(result);
}
[Fact]
public void ContainsPrefix_HasEntries_EmptyString_True()
{
// Arrange
var keys = new string[] { "some.prefix" };
var container = new PrefixContainer(keys);
// Act
var result = container.ContainsPrefix(string.Empty);
// Assert
Assert.True(result);
}
[Theory]
[InlineData("a")]
[InlineData("abc")]
[InlineData("bc")]
[InlineData("d")]
public void ContainsPrefix_ReturnsTrue_IfTheContainerHasAnExactMatch(string prefix)
{
// Arrange
var keys = new string[] { "bc", "a", "abc", "d" };
var container = new PrefixContainer(keys);
// Act
var result = container.ContainsPrefix(prefix);
// Assert
Assert.True(result);
}
[Theory]
[InlineData("a")]
[InlineData("b")]
[InlineData("c")]
[InlineData("d")]
public void ContainsPrefix_HasEntries_NoMatch(string prefix)
{
// Arrange
var keys = new string[] { "ax", "bx", "cx", "dx" };
var container = new PrefixContainer(keys);
// Act
var result = container.ContainsPrefix(prefix);
// Assert
Assert.False(result);
}
[Theory]
[InlineData("a")]
[InlineData("b")]
[InlineData("b.xy")]
[InlineData("c")]
[InlineData("c.x")]
[InlineData("c.x.y")]
[InlineData("d")]
[InlineData("d.x")]
[InlineData("d.x.z")]
public void ContainsPrefix_HasEntries_PrefixMatch_WithDot(string prefix)
{
// Arrange
var keys = new string[] { "a.x", "b.xy", "c.x.y", "d.x.z[0]" };
var container = new PrefixContainer(keys);
// Act
var result = container.ContainsPrefix(prefix);
// Assert
Assert.True(result);
}
[Theory]
[InlineData("ab")]
[InlineData("a.b.c")]
[InlineData("a.b[1]")]
[InlineData("a.b0")]
public void ContainsPrefix_ReturnsFalse_IfPrefixDoesNotMatch(string prefix)
{
// Arrange
var keys = new string[] { "a.b", "a.bc", "a.b[c]", "a.b[0]" };
var container = new PrefixContainer(keys);
// Act
var result = container.ContainsPrefix(prefix);
// Assert
Assert.False(result);
}
[Theory]
[InlineData("a")]
[InlineData("a[x]")]
[InlineData("d[x]")]
[InlineData("d[x].y")]
[InlineData("e")]
[InlineData("e.a.b")]
[InlineData("e.a.b[foo]")]
[InlineData("e.a.b[foo].bar")]
public void ContainsPrefix_HasEntries_PrefixMatch_WithSquareBrace(string prefix)
{
// Arrange
var keys = new string[] { "a[x]", "d[x].y", "e.a.b[foo].bar" };
var container = new PrefixContainer(keys);
// Act
var result = container.ContainsPrefix(prefix);
// Assert
Assert.True(result);
}
[Theory]
[InlineData(1)]
[InlineData(2)]
[InlineData(3)]
[InlineData(4)]
[InlineData(5)]
public void ContainsPrefix_HasEntries_PartialAndPrefixMatch_WithDot(int partialMatches)
{
// Arrange
var keys = new string[partialMatches + 1];
for (var i = 0; i < partialMatches; i++)
{
keys[i] = $"aa[{i}]";
}
keys[partialMatches] = "a.b"; // Sorted before all "aa" keys.
var container = new PrefixContainer(keys);
// Act
var result = container.ContainsPrefix("a");
// Assert
Assert.True(result);
}
[Theory]
[InlineData(1)]
[InlineData(2)]
[InlineData(3)]
[InlineData(4)]
[InlineData(5)]
public void ContainsPrefix_HasEntries_PartialAndPrefixMatch_WithSquareBrace(int partialMatches)
{
// Arrange
var keys = new string[partialMatches + 1];
for (var i = 0; i < partialMatches; i++)
{
keys[i] = $"aa[{i}]";
}
keys[partialMatches] = "a[0]"; // Sorted after all "aa" keys.
var container = new PrefixContainer(keys);
// Act
var result = container.ContainsPrefix("a");
// Assert
Assert.True(result);
}
[Theory]
[InlineData("")]
[InlineData("foo")]
public void GetKeysFromPrefix_ReturnsEmptySequenceWhenContainerIsEmpty(string prefix)
{
// Arrange
var keys = new string[0];
var container = new PrefixContainer(keys);
// Act
var result = container.GetKeysFromPrefix(prefix);
// Assert
Assert.Empty(result);
}
[Fact]
public void GetKeysFromPrefix_ReturnsUniqueTopLevelEntries_WhenPrefixIsEmpty()
{
// Arrange
var keys = new[] { "[0].name", "[0].address.street", "[item1].name", "[item1].age", "foo", "foo.bar" };
var container = new PrefixContainer(keys);
// Act
var result = container.GetKeysFromPrefix(prefix: string.Empty);
// Assert
Assert.Collection(result.OrderBy(k => k.Key, StringComparer.OrdinalIgnoreCase),
item =>
{
Assert.Equal("0", item.Key);
Assert.Equal("[0]", item.Value);
},
item =>
{
Assert.Equal("foo", item.Key);
Assert.Equal("foo", item.Value);
},
item =>
{
Assert.Equal("item1", item.Key);
Assert.Equal("[item1]", item.Value);
});
}
[Fact]
public void GetKeysFromPrefix_ReturnsEmptyDictionaryWhenNoKeysStartWithPrefix()
{
// Arrange
var keys = new[] { "foo[0].name", "foo.age", "[1].name", "[item].age" };
var container = new PrefixContainer(keys);
// Act
var result = container.GetKeysFromPrefix("baz");
// Assert
Assert.Empty(result);
}
[Fact]
public void GetKeysFromPrefix_ReturnsSubKeysThatStartWithPrefix()
{
// Arrange
var keys = new[] { "foo[0].name", "foo.age", "foo[1].name", "food[item].spice", "foo.name.first" };
var container = new PrefixContainer(keys);
// Act
var result = container.GetKeysFromPrefix("foo");
// Assert
Assert.Collection(result.OrderBy(k => k.Key, StringComparer.OrdinalIgnoreCase),
item =>
{
Assert.Equal("0", item.Key);
Assert.Equal("foo[0]", item.Value);
},
item =>
{
Assert.Equal("1", item.Key);
Assert.Equal("foo[1]", item.Value);
},
item =>
{
Assert.Equal("age", item.Key);
Assert.Equal("foo.age", item.Value);
},
item =>
{
Assert.Equal("name", item.Key);
Assert.Equal("foo.name", item.Value);
});
}
[Fact]
public void GetKeysFromPrefix_ReturnsSubKeysThatStartWithPrefix_ForNestedSubKeys()
{
// Arrange
var keys = new[] { "person[0].address[0].street", "person[0].address[1].street", "person[0].address[1].zip" };
var container = new PrefixContainer(keys);
// Act
var result = container.GetKeysFromPrefix("person[0].address");
// Assert
Assert.Collection(result.OrderBy(k => k.Key, StringComparer.OrdinalIgnoreCase),
item =>
{
Assert.Equal("0", item.Key);
Assert.Equal("person[0].address[0]", item.Value);
},
item =>
{
Assert.Equal("1", item.Key);
Assert.Equal("person[0].address[1]", item.Value);
});
}
}
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