public void DropDownListThrowsWithNoName() {
// Arrange
HtmlHelper helper = new HtmlHelper(new ModelStateDictionary());
// Act and assert
ExceptionAssert.ThrowsArgNullOrEmpty(() => helper.DropDownList(name: null, selectList: null), "name");
}
public void RadioButtonWithEmptyNameThrows() {
// Arrange
HtmlHelper helper = new HtmlHelper(new ModelStateDictionary());
// Act and assert
ExceptionAssert.ThrowsArgNullOrEmpty(() => helper.RadioButton(null, null), "name");
ExceptionAssert.ThrowsArgNullOrEmpty(() => helper.RadioButton(String.Empty, null), "name");
}
public void ValidationMessageWithNoErrorResultsInNullString() {
// Arrange
HtmlHelper htmlHelper = new HtmlHelper(new ModelStateDictionary());
// Act
var html = htmlHelper.ValidationMessage("does-not-exist");
Assert.IsNull(html);
}
public void TextAreaWithDefaultRowsAndCols() {
// Arrange
HtmlHelper helper = new HtmlHelper(new ModelStateDictionary());
// Act
var html = helper.TextArea("foo");
// Assert
Assert.AreEqual(@"<textarea cols=""20"" id=""foo"" name=""foo"" rows=""2""></textarea>", html.ToHtmlString());
}
public void TextAreaWithEmptyNameThrows() {
// Arrange
HtmlHelper helper = new HtmlHelper(new ModelStateDictionary());
// Act and assert
ExceptionAssert.ThrowsArgumentException(() => helper.TextArea(null), "name", "Value cannot be null or an empty string.");
// Act and assert
ExceptionAssert.ThrowsArgumentException(() => helper.TextArea(String.Empty), "name", "Value cannot be null or an empty string.");
}
public void ValidationMessageReturnsWithCustomMessageAndObjectAttributes() {
// Arrange
HtmlHelper htmlHelper = new HtmlHelper(GetModelStateWithErrors());
// Act
var html = htmlHelper.ValidationMessage("foo", "bar error", new { baz = "baz" });
// Assert
Assert.AreEqual(@"<span baz=""baz"" class=""field-validation-error"">bar error</span>", html.ToHtmlString());
}
public void TextAreaWithNonZeroRowsAndColumns() {
// Arrange
HtmlHelper helper = new HtmlHelper(new ModelStateDictionary());
// Act
var html = helper.TextArea("foo", null, 4, 10, null);
// Assert
Assert.AreEqual(@"<textarea cols=""10"" id=""foo"" name=""foo"" rows=""4""></textarea>", html.ToHtmlString());
}
public void ValidationMessageReturnsWithCustomMessage() {
// Arrange
HtmlHelper htmlHelper = new HtmlHelper(GetModelStateWithErrors());
// Atc
var html = htmlHelper.ValidationMessage("foo", "bar error");
// Assert
Assert.AreEqual(@"<span class=""field-validation-error"">bar error</span>", html.ToHtmlString());
}
public void ValidationMessageReturnsWithObjectAttributes() {
// Arrange
HtmlHelper htmlHelper = new HtmlHelper(GetModelStateWithErrors());
// Act
var html = htmlHelper.ValidationMessage("foo", new { attr = "attr-value" });
// Assert
Assert.AreEqual(@"<span attr=""attr-value"" class=""field-validation-error"">foo error <1></span>", html.ToHtmlString());
}
public void ValidationMessageReturnsNullForInvalidName() {
// Arrange
HtmlHelper htmlHelper = new HtmlHelper(GetModelStateWithErrors());
// Act
var html = htmlHelper.ValidationMessage("baz");
// Assert
Assert.IsNull(html, "html should be null if name is invalid.");
}
public void ValidationMessageReturnsFirstError() {
// Arrange
HtmlHelper htmlHelper = new HtmlHelper(GetModelStateWithErrors());
// Act
var html = htmlHelper.ValidationMessage("foo");
// Assert
Assert.AreEqual(@"<span class=""field-validation-error"">foo error <1></span>", html.ToHtmlString());
}
public void RadioButtonWithDictionaryAttributes() {
// Arrange
HtmlHelper helper = new HtmlHelper(new ModelStateDictionary());
// Act
var html = helper.RadioButton("foo", "bar", new Dictionary<string, object> { { "attr", "attr-value" } });
// Assert
Assert.AreEqual(@"<input attr=""attr-value"" id=""foo"" name=""foo"" type=""radio"" value=""bar"" />",
html.ToHtmlString());
}
public void EncodeStringNull() {
// Arrange
HtmlHelper htmlHelper = new HtmlHelper(new ModelStateDictionary());
string text = null;
// Act
string encodedHtml = htmlHelper.Encode(text);
// Assert
Assert.AreEqual("", encodedHtml);
}
public void EncodeString() {
// Arrange
HtmlHelper htmlHelper = new HtmlHelper(new ModelStateDictionary());
var text = "<br />";
// Act
string encodedHtml = htmlHelper.Encode(text);
// Assert
Assert.AreEqual(encodedHtml, "<br />", "Text is not being properly HTML-encoded.");
}
public void EncodeObjectNull() {
// Arrange
HtmlHelper htmlHelper = new HtmlHelper(new ModelStateDictionary());
object text = null;
// Act
string encodedHtml = htmlHelper.Encode(text);
// Assert
Assert.AreEqual(String.Empty, encodedHtml);
}
public void TextAreaWithObjectAttributes() {
// Arrange
ModelStateDictionary modelState = new ModelStateDictionary();
modelState.SetModelValue("foo", "foo-value");
HtmlHelper helper = new HtmlHelper(modelState);
// Act
var html = helper.TextArea("foo", new { attr = "value", cols = 6 });
// Assert
Assert.AreEqual(@"<textarea attr=""value"" cols=""6"" id=""foo"" name=""foo"" rows=""2"">foo-value</textarea>", html.ToHtmlString());
}
public void ValidationMessageAllowsEmptyModelName() {
// Arrange
ModelStateDictionary dictionary = new ModelStateDictionary();
dictionary.AddError("test", "some error text");
HtmlHelper htmlHelper = new HtmlHelper(dictionary);
// Act
var html = htmlHelper.ValidationMessage("test");
// Assert
Assert.AreEqual(@"<span class=""field-validation-error"">some error text</span>", html.ToHtmlString());
}
public void RadioButtonUsesModelStateToRemoveChecked() {
// Arrange
var modelState = new ModelStateDictionary();
modelState.SetModelValue("foo", "not-a-bar");
HtmlHelper helper = new HtmlHelper(modelState);
// Act
var html = helper.RadioButton("foo", "bar", new { @checked = "checked" } );
// Assert
Assert.AreEqual(@"<input id=""foo"" name=""foo"" type=""radio"" value=""bar"" />",
html.ToHtmlString());
}
public void DropDownListWithAttributes() {
// Arrange
HtmlHelper helper = new HtmlHelper(new ModelStateDictionary());
// Act
var html = helper.DropDownList("foo", GetSelectList(), new { attr = "attr-val", attr2 = "attr-val2" });
// Assert
Assert.AreEqual(
@"<select attr=""attr-val"" attr2=""attr-val2"" id=""foo"" name=""foo"">
<option value=""A"">Alpha</option>
<option value=""B"">Bravo</option>
<option value=""C"">Charlie</option>
</select>",
html.ToHtmlString());
}
public void DropDownListWithExplicitValue() {
// Arrange
HtmlHelper helper = new HtmlHelper(new ModelStateDictionary());
// Act
var html = helper.DropDownList("foo", null, GetSelectList(), "B", new Dictionary<string, object>{ {"attr", "attr-val"} });
// Assert
Assert.AreEqual(
@"<select attr=""attr-val"" id=""foo"" name=""foo"">
<option value=""A"">Alpha</option>
<option selected=""selected"" value=""B"">Bravo</option>
<option value=""C"">Charlie</option>
</select>",
html.ToHtmlString());
}
public void DropDownListWithNoSelectedItem() {
// Arrange
HtmlHelper helper = new HtmlHelper(new ModelStateDictionary());
// Act
var html = helper.DropDownList("foo", GetSelectList());
// Assert
Assert.AreEqual(
@"<select id=""foo"" name=""foo"">
<option value=""A"">Alpha</option>
<option value=""B"">Bravo</option>
<option value=""C"">Charlie</option>
</select>",
html.ToHtmlString());
}
public void RadioButtonWithDefaultArguments() {
// Arrange
HtmlHelper helper = new HtmlHelper(new ModelStateDictionary());
// Act
var html = helper.RadioButton("foo", "bar", true);
// Assert
Assert.AreEqual(@"<input checked=""checked"" id=""foo"" name=""foo"" type=""radio"" value=""bar"" />",
html.ToHtmlString());
html = helper.RadioButton("foo", "bar", false);
// Assert
Assert.AreEqual(@"<input id=""foo"" name=""foo"" type=""radio"" value=""bar"" />",
html.ToHtmlString());
}
public void TextAreaWithDictionaryAttributes() {
// Arrange
ModelStateDictionary modelState = new ModelStateDictionary();
modelState.SetModelValue("foo", "explicit-foo-value");
HtmlHelper helper = new HtmlHelper(modelState);
var attributes = new Dictionary<string, object>() { { "attr", "attr-val" }, { "rows", 15 }, { "cols", 12 } };
// Act
var html = helper.TextArea("foo", attributes);
// Assert
Assert.AreEqual(@"<textarea attr=""attr-val"" cols=""12"" id=""foo"" name=""foo"" rows=""15"">explicit-foo-value</textarea>",
html.ToHtmlString());
}
public void ListBoxWithObjectDictionaryAndTitle() {
// Arrange
HtmlHelper helper = new HtmlHelper(new ModelStateDictionary());
// Act
var html = helper.ListBox("foo", "Select One", GetSelectList(), new { @class = "my-class" });
// Assert
Assert.AreEqual(
@"<select class=""my-class"" id=""foo"" name=""foo"">
<option value="""">Select One</option>
<option value=""A"">Alpha</option>
<option value=""B"">Bravo</option>
<option value=""C"">Charlie</option>
</select>",
html.ToHtmlString());
}
public void ListBoxWithEmptyOptionLabel() {
// Arrange
var modelState = new ModelStateDictionary();
modelState.AddError("foo", "some error");
HtmlHelper helper = new HtmlHelper(modelState);
// Act
var html = helper.ListBox("foo", GetSelectList(), new { @class = "my-class" });
// Assert
Assert.AreEqual(
@"<select class=""field-validation-error my-class"" id=""foo"" name=""foo"">
<option value=""A"">Alpha</option>
<option value=""B"">Bravo</option>
<option value=""C"">Charlie</option>
</select>",
html.ToHtmlString());
}
public void ListBoxWithDotReplacementForId() {
// Arrange
HtmlHelper helper = new HtmlHelper(new ModelStateDictionary());
// Act
var html = helper.ListBox("foo.bar", "Select One", GetSelectList());
// Assert
Assert.AreEqual(
@"<select id=""foo_bar"" name=""foo.bar"">
<option value="""">Select One</option>
<option value=""A"">Alpha</option>
<option value=""B"">Bravo</option>
<option value=""C"">Charlie</option>
</select>",
html.ToHtmlString());
}
// [TestMethod]
// Cant test this in multi-threaded
public void TextAreaWithCustomErrorClass() {
// Arrange
ModelStateDictionary modelState = new ModelStateDictionary();
modelState.AddError("foo", "some error");
HtmlHelper.ValidationInputCssClassName = "custom-field-validation-error";
HtmlHelper helper = new HtmlHelper(modelState);
// Act
var html = helper.TextArea("foo", String.Empty, new { @class = "my-css" });
// Assert
Assert.AreEqual(@"<textarea class=""custom-field-validation-error my-css"" cols=""20"" id=""foo"" name=""foo"" rows=""2""></textarea>",
html.ToHtmlString());
}
public void TextAreaWithError() {
// Arrange
ModelStateDictionary modelState = new ModelStateDictionary();
modelState.AddError("foo", "some error");
HtmlHelper helper = new HtmlHelper(modelState);
// Act
var html = helper.TextArea("foo", String.Empty);
// Assert
Assert.AreEqual(@"<textarea class=""field-validation-error"" cols=""20"" id=""foo"" name=""foo"" rows=""2""></textarea>",
html.ToHtmlString());
}
public void TextAreaWithNoValueAndObjectAttributes() {
// Arrange
HtmlHelper helper = new HtmlHelper(new ModelStateDictionary());
var attributes = new Dictionary<string, object>() { { "attr", "attr-val" }, { "rows", 15 }, { "cols", 12 } };
// Act
var html = helper.TextArea("foo", attributes);
// Assert
Assert.AreEqual(@"<textarea attr=""attr-val"" cols=""12"" id=""foo"" name=""foo"" rows=""15""></textarea>",
html.ToHtmlString());
}
public void DropDownWithModelValue() {
// Arrange
var modelState = new ModelStateDictionary();
modelState.SetModelValue("foo", "C");
HtmlHelper helper = new HtmlHelper(modelState);
// Act
var html = helper.DropDownList("foo", GetSelectList(), new { attr = "attr-val" } );
// Assert
Assert.AreEqual(
@"<select attr=""attr-val"" id=""foo"" name=""foo"">
<option value=""A"">Alpha</option>
<option value=""B"">Bravo</option>
<option selected=""selected"" value=""C"">Charlie</option>
</select>",
html.ToHtmlString());
}
