aspnetcore/test/Microsoft.AspNet.Mvc.Core.Test/Rendering/HtmlHelperSelectTest.cs

532 lines
30 KiB
C#

// Copyright (c) Microsoft Open Technologies, Inc. All rights reserved.
// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
using System;
using System.Collections.Generic;
using System.Linq;
using Xunit;
namespace Microsoft.AspNet.Mvc.Rendering
{
public class HtmlHelperSelectTest
{
private static readonly SelectListGroup GroupOne = new SelectListGroup { Name = "Group One", };
private static readonly SelectListGroup GroupTwo = new SelectListGroup { Name = "Group Two", };
private static readonly SelectListGroup DisabledGroup = new SelectListGroup
{
Disabled = true,
Name = "Disabled Group",
};
private static readonly List<SelectListItem> BasicSelectList = new List<SelectListItem>
{
new SelectListItem { Text = "Zero", Value = "0"},
new SelectListItem { Text = "One", Value = "1"},
new SelectListItem { Text = "Two", Value = "2"},
new SelectListItem { Text = "Three", Value = "3"},
};
private static readonly List<SelectListItem> SomeDisabledOneSelectedSelectList = new List<SelectListItem>
{
new SelectListItem { Disabled = false, Selected = false, Text = "Zero", Value = "0"},
new SelectListItem { Disabled = true, Selected = true, Text = "One", Value = "1"},
new SelectListItem { Disabled = false, Selected = false, Text = "Two", Value = "2"},
new SelectListItem { Disabled = true, Selected = false, Text = "Three", Value = "3"},
};
private static readonly List<SelectListItem> SomeGroupedSomeSelectedSelectList = new List<SelectListItem>
{
new SelectListItem { Group = GroupOne, Selected = true, Text = "Zero", Value = "0"},
new SelectListItem { Group = GroupTwo, Selected = false, Text = "One", Value = "1"},
new SelectListItem { Group = GroupOne, Selected = true, Text = "Two", Value = "2"},
new SelectListItem { Group = null, Selected = false, Text = "Three", Value = "3"},
};
private static readonly List<SelectListItem> OneGroupSomeSelectedSelectList = new List<SelectListItem>
{
new SelectListItem { Group = GroupOne, Selected = true, Text = "Zero", Value = "0"},
new SelectListItem { Group = GroupOne, Selected = true, Text = "One", Value = "1"},
new SelectListItem { Group = GroupOne, Selected = false, Text = "Two", Value = "2"},
new SelectListItem { Group = GroupOne, Selected = false, Text = "Three", Value = "3"},
};
private static readonly List<SelectListItem> OneDisabledGroupAllSelectedSelectList = new List<SelectListItem>
{
new SelectListItem { Group = DisabledGroup, Selected = true, Text = "Zero", Value = "0"},
new SelectListItem { Group = DisabledGroup, Selected = true, Text = "One", Value = "1"},
new SelectListItem { Group = DisabledGroup, Selected = true, Text = "Two", Value = "2"},
new SelectListItem { Group = DisabledGroup, Selected = true, Text = "Three", Value = "3"},
};
// Select list -> expected HTML with null model, expected HTML with model containing "2".
public static TheoryData<IEnumerable<SelectListItem>, string, string> DropDownListDataSet
{
get
{
return new TheoryData<IEnumerable<SelectListItem>, string, string>
{
{
BasicSelectList,
"<select id=\"Property1\" name=\"Property1\"><option value=\"0\">Zero</option>" +
Environment.NewLine +
"<option value=\"1\">One</option>" + Environment.NewLine +
"<option value=\"2\">Two</option>" + Environment.NewLine +
"<option value=\"3\">Three</option>" + Environment.NewLine +
"</select>",
"<select id=\"Property1\" name=\"Property1\"><option value=\"0\">Zero</option>" +
Environment.NewLine +
"<option value=\"1\">One</option>" + Environment.NewLine +
"<option selected=\"selected\" value=\"2\">Two</option>" + Environment.NewLine +
"<option value=\"3\">Three</option>" + Environment.NewLine +
"</select>"
},
{
SomeDisabledOneSelectedSelectList,
"<select id=\"Property1\" name=\"Property1\"><option value=\"0\">Zero</option>" +
Environment.NewLine +
"<option disabled=\"disabled\" selected=\"selected\" value=\"1\">One</option>" +
Environment.NewLine +
"<option value=\"2\">Two</option>" + Environment.NewLine +
"<option disabled=\"disabled\" value=\"3\">Three</option>" + Environment.NewLine +
"</select>",
"<select id=\"Property1\" name=\"Property1\"><option value=\"0\">Zero</option>" +
Environment.NewLine +
"<option disabled=\"disabled\" value=\"1\">One</option>" + Environment.NewLine +
"<option selected=\"selected\" value=\"2\">Two</option>" + Environment.NewLine +
"<option disabled=\"disabled\" value=\"3\">Three</option>" + Environment.NewLine +
"</select>"
},
{
SomeGroupedSomeSelectedSelectList,
"<select id=\"Property1\" name=\"Property1\"><optgroup label=\"Group One\">" +
Environment.NewLine +
"<option selected=\"selected\" value=\"0\">Zero</option>" + Environment.NewLine +
"<option selected=\"selected\" value=\"2\">Two</option>" + Environment.NewLine +
"</optgroup>" + Environment.NewLine +
"<optgroup label=\"Group Two\">" + Environment.NewLine +
"<option value=\"1\">One</option>" + Environment.NewLine +
"</optgroup>" + Environment.NewLine +
"<option value=\"3\">Three</option>" + Environment.NewLine +
"</select>",
"<select id=\"Property1\" name=\"Property1\"><optgroup label=\"Group One\">" +
Environment.NewLine +
"<option value=\"0\">Zero</option>" + Environment.NewLine +
"<option selected=\"selected\" value=\"2\">Two</option>" + Environment.NewLine +
"</optgroup>" + Environment.NewLine +
"<optgroup label=\"Group Two\">" + Environment.NewLine +
"<option value=\"1\">One</option>" + Environment.NewLine +
"</optgroup>" + Environment.NewLine +
"<option value=\"3\">Three</option>" + Environment.NewLine +
"</select>"
},
{
OneGroupSomeSelectedSelectList,
"<select id=\"Property1\" name=\"Property1\"><optgroup label=\"Group One\">" +
Environment.NewLine +
"<option selected=\"selected\" value=\"0\">Zero</option>" + Environment.NewLine +
"<option selected=\"selected\" value=\"1\">One</option>" + Environment.NewLine +
"<option value=\"2\">Two</option>" + Environment.NewLine +
"<option value=\"3\">Three</option>" + Environment.NewLine +
"</optgroup>" + Environment.NewLine +
"</select>",
"<select id=\"Property1\" name=\"Property1\"><optgroup label=\"Group One\">" +
Environment.NewLine +
"<option value=\"0\">Zero</option>" + Environment.NewLine +
"<option value=\"1\">One</option>" + Environment.NewLine +
"<option selected=\"selected\" value=\"2\">Two</option>" + Environment.NewLine +
"<option value=\"3\">Three</option>" + Environment.NewLine +
"</optgroup>" + Environment.NewLine +
"</select>"
},
{
OneDisabledGroupAllSelectedSelectList,
"<select id=\"Property1\" name=\"Property1\"><optgroup disabled=\"disabled\" label=\"Disabled Group\">" +
Environment.NewLine +
"<option selected=\"selected\" value=\"0\">Zero</option>" + Environment.NewLine +
"<option selected=\"selected\" value=\"1\">One</option>" + Environment.NewLine +
"<option selected=\"selected\" value=\"2\">Two</option>" + Environment.NewLine +
"<option selected=\"selected\" value=\"3\">Three</option>" + Environment.NewLine +
"</optgroup>" + Environment.NewLine +
"</select>",
"<select id=\"Property1\" name=\"Property1\"><optgroup disabled=\"disabled\" label=\"Disabled Group\">" +
Environment.NewLine +
"<option value=\"0\">Zero</option>" + Environment.NewLine +
"<option value=\"1\">One</option>" + Environment.NewLine +
"<option selected=\"selected\" value=\"2\">Two</option>" + Environment.NewLine +
"<option value=\"3\">Three</option>" + Environment.NewLine +
"</optgroup>" + Environment.NewLine +
"</select>"
},
};
}
}
// Select list -> expected HTML with null model, with model containing "2", and with model containing "1", "3".
public static TheoryData<IEnumerable<SelectListItem>, string, string, string> ListBoxDataSet
{
get
{
return new TheoryData<IEnumerable<SelectListItem>, string, string, string>
{
{
BasicSelectList,
"<select id=\"Property1\" multiple=\"multiple\" name=\"Property1\"><option value=\"0\">Zero</option>" +
Environment.NewLine +
"<option value=\"1\">One</option>" + Environment.NewLine +
"<option value=\"2\">Two</option>" + Environment.NewLine +
"<option value=\"3\">Three</option>" + Environment.NewLine +
"</select>",
"<select id=\"Property1\" multiple=\"multiple\" name=\"Property1\"><option value=\"0\">Zero</option>" +
Environment.NewLine +
"<option value=\"1\">One</option>" + Environment.NewLine +
"<option selected=\"selected\" value=\"2\">Two</option>" + Environment.NewLine +
"<option value=\"3\">Three</option>" + Environment.NewLine +
"</select>",
"<select id=\"Property1\" multiple=\"multiple\" name=\"Property1\"><option value=\"0\">Zero</option>" +
Environment.NewLine +
"<option selected=\"selected\" value=\"1\">One</option>" + Environment.NewLine +
"<option value=\"2\">Two</option>" + Environment.NewLine +
"<option selected=\"selected\" value=\"3\">Three</option>" + Environment.NewLine +
"</select>"
},
{
SomeDisabledOneSelectedSelectList,
"<select id=\"Property1\" multiple=\"multiple\" name=\"Property1\"><option value=\"0\">Zero</option>" +
Environment.NewLine +
"<option disabled=\"disabled\" selected=\"selected\" value=\"1\">One</option>" +
Environment.NewLine +
"<option value=\"2\">Two</option>" + Environment.NewLine +
"<option disabled=\"disabled\" value=\"3\">Three</option>" + Environment.NewLine +
"</select>",
"<select id=\"Property1\" multiple=\"multiple\" name=\"Property1\"><option value=\"0\">Zero</option>" +
Environment.NewLine +
"<option disabled=\"disabled\" value=\"1\">One</option>" + Environment.NewLine +
"<option selected=\"selected\" value=\"2\">Two</option>" + Environment.NewLine +
"<option disabled=\"disabled\" value=\"3\">Three</option>" + Environment.NewLine +
"</select>",
"<select id=\"Property1\" multiple=\"multiple\" name=\"Property1\"><option value=\"0\">Zero</option>" +
Environment.NewLine +
"<option disabled=\"disabled\" selected=\"selected\" value=\"1\">One</option>" + Environment.NewLine +
"<option value=\"2\">Two</option>" + Environment.NewLine +
"<option disabled=\"disabled\" selected=\"selected\" value=\"3\">Three</option>" + Environment.NewLine +
"</select>"
},
{
SomeGroupedSomeSelectedSelectList,
"<select id=\"Property1\" multiple=\"multiple\" name=\"Property1\"><optgroup label=\"Group One\">" +
Environment.NewLine +
"<option selected=\"selected\" value=\"0\">Zero</option>" + Environment.NewLine +
"<option selected=\"selected\" value=\"2\">Two</option>" + Environment.NewLine +
"</optgroup>" + Environment.NewLine +
"<optgroup label=\"Group Two\">" + Environment.NewLine +
"<option value=\"1\">One</option>" + Environment.NewLine +
"</optgroup>" + Environment.NewLine +
"<option value=\"3\">Three</option>" + Environment.NewLine +
"</select>",
"<select id=\"Property1\" multiple=\"multiple\" name=\"Property1\"><optgroup label=\"Group One\">" +
Environment.NewLine +
"<option value=\"0\">Zero</option>" + Environment.NewLine +
"<option selected=\"selected\" value=\"2\">Two</option>" + Environment.NewLine +
"</optgroup>" + Environment.NewLine +
"<optgroup label=\"Group Two\">" + Environment.NewLine +
"<option value=\"1\">One</option>" + Environment.NewLine +
"</optgroup>" + Environment.NewLine +
"<option value=\"3\">Three</option>" + Environment.NewLine +
"</select>",
"<select id=\"Property1\" multiple=\"multiple\" name=\"Property1\"><optgroup label=\"Group One\">" +
Environment.NewLine +
"<option value=\"0\">Zero</option>" + Environment.NewLine +
"<option value=\"2\">Two</option>" + Environment.NewLine +
"</optgroup>" + Environment.NewLine +
"<optgroup label=\"Group Two\">" + Environment.NewLine +
"<option selected=\"selected\" value=\"1\">One</option>" + Environment.NewLine +
"</optgroup>" + Environment.NewLine +
"<option selected=\"selected\" value=\"3\">Three</option>" + Environment.NewLine +
"</select>"
},
{
OneGroupSomeSelectedSelectList,
"<select id=\"Property1\" multiple=\"multiple\" name=\"Property1\"><optgroup label=\"Group One\">" +
Environment.NewLine +
"<option selected=\"selected\" value=\"0\">Zero</option>" + Environment.NewLine +
"<option selected=\"selected\" value=\"1\">One</option>" + Environment.NewLine +
"<option value=\"2\">Two</option>" + Environment.NewLine +
"<option value=\"3\">Three</option>" + Environment.NewLine +
"</optgroup>" + Environment.NewLine +
"</select>",
"<select id=\"Property1\" multiple=\"multiple\" name=\"Property1\"><optgroup label=\"Group One\">" +
Environment.NewLine +
"<option value=\"0\">Zero</option>" + Environment.NewLine +
"<option value=\"1\">One</option>" + Environment.NewLine +
"<option selected=\"selected\" value=\"2\">Two</option>" + Environment.NewLine +
"<option value=\"3\">Three</option>" + Environment.NewLine +
"</optgroup>" + Environment.NewLine +
"</select>",
"<select id=\"Property1\" multiple=\"multiple\" name=\"Property1\"><optgroup label=\"Group One\">" +
Environment.NewLine +
"<option value=\"0\">Zero</option>" + Environment.NewLine +
"<option selected=\"selected\" value=\"1\">One</option>" + Environment.NewLine +
"<option value=\"2\">Two</option>" + Environment.NewLine +
"<option selected=\"selected\" value=\"3\">Three</option>" + Environment.NewLine +
"</optgroup>" + Environment.NewLine +
"</select>"
},
{
OneDisabledGroupAllSelectedSelectList,
"<select id=\"Property1\" multiple=\"multiple\" name=\"Property1\">" +
"<optgroup disabled=\"disabled\" label=\"Disabled Group\">" + Environment.NewLine +
"<option selected=\"selected\" value=\"0\">Zero</option>" + Environment.NewLine +
"<option selected=\"selected\" value=\"1\">One</option>" + Environment.NewLine +
"<option selected=\"selected\" value=\"2\">Two</option>" + Environment.NewLine +
"<option selected=\"selected\" value=\"3\">Three</option>" + Environment.NewLine +
"</optgroup>" + Environment.NewLine +
"</select>",
"<select id=\"Property1\" multiple=\"multiple\" name=\"Property1\">" +
"<optgroup disabled=\"disabled\" label=\"Disabled Group\">" + Environment.NewLine +
"<option value=\"0\">Zero</option>" + Environment.NewLine +
"<option value=\"1\">One</option>" + Environment.NewLine +
"<option selected=\"selected\" value=\"2\">Two</option>" + Environment.NewLine +
"<option value=\"3\">Three</option>" + Environment.NewLine +
"</optgroup>" + Environment.NewLine +
"</select>",
"<select id=\"Property1\" multiple=\"multiple\" name=\"Property1\">" +
"<optgroup disabled=\"disabled\" label=\"Disabled Group\">" + Environment.NewLine +
"<option value=\"0\">Zero</option>" + Environment.NewLine +
"<option selected=\"selected\" value=\"1\">One</option>" + Environment.NewLine +
"<option value=\"2\">Two</option>" + Environment.NewLine +
"<option selected=\"selected\" value=\"3\">Three</option>" + Environment.NewLine +
"</optgroup>" + Environment.NewLine +
"</select>"
},
};
}
}
[Theory]
[MemberData(nameof(DropDownListDataSet))]
public void DropDownList_WithNullModel_GeneratesExpectedValue_DoesNotChangeSelectList(
IEnumerable<SelectListItem> selectList,
string expectedHtml,
string ignoredHtml)
{
// Arrange
var helper = DefaultTemplatesUtilities.GetHtmlHelper();
var savedDisabled = selectList.Select(item => item.Disabled).ToList();
var savedGroup = selectList.Select(item => item.Group).ToList();
var savedSelected = selectList.Select(item => item.Selected).ToList();
var savedText = selectList.Select(item => item.Text).ToList();
var savedValue = selectList.Select(item => item.Value).ToList();
// Act
var html = helper.DropDownList("Property1", selectList, optionLabel: null, htmlAttributes: null);
// Assert
Assert.Equal(expectedHtml, html.ToString());
Assert.Equal(savedDisabled, selectList.Select(item => item.Disabled));
Assert.Equal(savedGroup, selectList.Select(item => item.Group));
Assert.Equal(savedSelected, selectList.Select(item => item.Selected));
Assert.Equal(savedText, selectList.Select(item => item.Text));
Assert.Equal(savedValue, selectList.Select(item => item.Value));
}
[Theory]
[MemberData(nameof(DropDownListDataSet))]
public void DropDownList_WithModelValue_GeneratesExpectedValue(
IEnumerable<SelectListItem> selectList,
string ignoredHtml,
string expectedHtml)
{
// Arrange
var model = new DefaultTemplatesUtilities.ObjectTemplateModel { Property1 = "2" };
var helper = DefaultTemplatesUtilities.GetHtmlHelper(model);
var savedSelected = selectList.Select(item => item.Selected).ToList();
// Act
var html = helper.DropDownList("Property1", selectList, optionLabel: null, htmlAttributes: null);
// Assert
Assert.Equal(expectedHtml, html.ToString());
Assert.Equal(savedSelected, selectList.Select(item => item.Selected));
}
[Theory]
[MemberData(nameof(DropDownListDataSet))]
public void DropDownListFor_WithNullModel_GeneratesExpectedValue(
IEnumerable<SelectListItem> selectList,
string expectedHtml,
string ignoredHtml)
{
// Arrange
var helper = DefaultTemplatesUtilities.GetHtmlHelper();
var savedSelected = selectList.Select(item => item.Selected).ToList();
// Act
var html = helper.DropDownListFor(
value => value.Property1,
selectList,
optionLabel: null,
htmlAttributes: null);
// Assert
Assert.Equal(expectedHtml, html.ToString());
Assert.Equal(savedSelected, selectList.Select(item => item.Selected));
}
[Theory]
[MemberData(nameof(DropDownListDataSet))]
public void DropDownListFor_WithModelValue_GeneratesExpectedValue(
IEnumerable<SelectListItem> selectList,
string ignoredHtml,
string expectedHtml)
{
// Arrange
var model = new DefaultTemplatesUtilities.ObjectTemplateModel { Property1 = "2" };
var helper = DefaultTemplatesUtilities.GetHtmlHelper(model);
var savedSelected = selectList.Select(item => item.Selected).ToList();
// Act
var html = helper.DropDownListFor(
value => value.Property1,
selectList,
optionLabel: null,
htmlAttributes: null);
// Assert
Assert.Equal(expectedHtml, html.ToString());
Assert.Equal(savedSelected, selectList.Select(item => item.Selected));
}
[Theory]
[MemberData(nameof(ListBoxDataSet))]
public void ListBox_WithNullModel_GeneratesExpectedValue_DoesNotChangeSelectList(
IEnumerable<SelectListItem> selectList,
string expectedHtml,
string ignoredHtml1,
string ignoredHtml2)
{
// Arrange
var helper = DefaultTemplatesUtilities.GetHtmlHelper<ModelContainingList>(model: null);
var savedDisabled = selectList.Select(item => item.Disabled).ToList();
var savedGroup = selectList.Select(item => item.Group).ToList();
var savedSelected = selectList.Select(item => item.Selected).ToList();
var savedText = selectList.Select(item => item.Text).ToList();
var savedValue = selectList.Select(item => item.Value).ToList();
// Act
var html = helper.ListBox("Property1", selectList, htmlAttributes: null);
// Assert
Assert.Equal(expectedHtml, html.ToString());
Assert.Equal(savedDisabled, selectList.Select(item => item.Disabled));
Assert.Equal(savedGroup, selectList.Select(item => item.Group));
Assert.Equal(savedSelected, selectList.Select(item => item.Selected));
Assert.Equal(savedText, selectList.Select(item => item.Text));
Assert.Equal(savedValue, selectList.Select(item => item.Value));
}
[Theory]
[MemberData(nameof(ListBoxDataSet))]
public void ListBox_WithModelValue_GeneratesExpectedValue(
IEnumerable<SelectListItem> selectList,
string ignoredHtml1,
string expectedHtml,
string ignoredHtml2)
{
// Arrange
var model = new ModelContainingList { Property1 = { "2" } };
var helper = DefaultTemplatesUtilities.GetHtmlHelper(model);
var savedSelected = selectList.Select(item => item.Selected).ToList();
// Act
var html = helper.ListBox("Property1", selectList, htmlAttributes: null);
// Assert
Assert.Equal(expectedHtml, html.ToString());
Assert.Equal(savedSelected, selectList.Select(item => item.Selected));
}
[Theory]
[MemberData(nameof(ListBoxDataSet))]
public void ListBox_WithMultipleModelValues_GeneratesExpectedValue(
IEnumerable<SelectListItem> selectList,
string ignoredHtml1,
string ignoredHtml2,
string expectedHtml)
{
// Arrange
var model = new ModelContainingList { Property1 = { "1", "3" } };
var helper = DefaultTemplatesUtilities.GetHtmlHelper(model);
var savedSelected = selectList.Select(item => item.Selected).ToList();
// Act
var html = helper.ListBox("Property1", selectList, htmlAttributes: null);
// Assert
Assert.Equal(expectedHtml, html.ToString());
Assert.Equal(savedSelected, selectList.Select(item => item.Selected));
}
[Theory]
[MemberData(nameof(ListBoxDataSet))]
public void ListBoxFor_WithNullModel_GeneratesExpectedValue(
IEnumerable<SelectListItem> selectList,
string expectedHtml,
string ignoredHtml1,
string ignoredHtml2)
{
// Arrange
var helper = DefaultTemplatesUtilities.GetHtmlHelper<ModelContainingList>(model: null);
var savedSelected = selectList.Select(item => item.Selected).ToList();
// Act
var html = helper.ListBoxFor(value => value.Property1, selectList, htmlAttributes: null);
// Assert
Assert.Equal(expectedHtml, html.ToString());
Assert.Equal(savedSelected, selectList.Select(item => item.Selected));
}
[Theory]
[MemberData(nameof(ListBoxDataSet))]
public void ListBoxFor_WithModelValue_GeneratesExpectedValue(
IEnumerable<SelectListItem> selectList,
string ignoredHtml1,
string expectedHtml,
string ignoredHtml2)
{
// Arrange
var model = new ModelContainingList { Property1 = { "2" } };
var helper = DefaultTemplatesUtilities.GetHtmlHelper(model);
var savedSelected = selectList.Select(item => item.Selected).ToList();
// Act
var html = helper.ListBoxFor(value => value.Property1, selectList, htmlAttributes: null);
// Assert
Assert.Equal(expectedHtml, html.ToString());
Assert.Equal(savedSelected, selectList.Select(item => item.Selected));
}
[Theory]
[MemberData(nameof(ListBoxDataSet))]
public void ListBoxFor_WithMultipleModelValues_GeneratesExpectedValue(
IEnumerable<SelectListItem> selectList,
string ignoredHtml1,
string ignoredHtml2,
string expectedHtml)
{
// Arrange
var model = new ModelContainingList { Property1 = { "1", "3" } };
var helper = DefaultTemplatesUtilities.GetHtmlHelper(model);
var savedSelected = selectList.Select(item => item.Selected).ToList();
// Act
var html = helper.ListBoxFor(value => value.Property1, selectList, htmlAttributes: null);
// Assert
Assert.Equal(expectedHtml, html.ToString());
Assert.Equal(savedSelected, selectList.Select(item => item.Selected));
}
private class ModelContainingList
{
public List<string> Property1 { get; } = new List<string>();
}
}
}