public async Task CaseProcessFirstWhen()
{
var e = new CaseStatement(
B,
new ElseStatement(new List <Statement> {
new TextStatement(new StringSegment("y"))
}),
new[] {
new WhenStatement(new List <Expression> {
A, C
}, TEXT("1")),
new WhenStatement(new List <Expression> {
B, C
}, TEXT("2")),
new WhenStatement(new List <Expression> {
C
}, TEXT("3"))
}
);
var sw = new StringWriter();
await e.WriteToAsync(sw, HtmlEncoder.Default, new TemplateContext());
Assert.Equal("2", sw.ToString());
}
public async Task CaseProcessElseWhenNoMatch()
{
var e = new CaseStatement(
A,
new ElseStatement(new[] { new TextStatement("y") }),
new[] {
new WhenStatement(new [] { B, C }, TEXT("x"))
}
);
var sw = new StringWriter();
await e.WriteToAsync(sw, HtmlEncoder.Default, new TemplateContext());
Assert.Equal("y", sw.ToString());
}
public async Task CaseCanProcessWhenMatchMultiple()
{
var e = new CaseStatement(
A,
null,
new[] {
new WhenStatement(new [] { A, B, C }, TEXT("x"))
}
);
var sw = new StringWriter();
await e.WriteToAsync(sw, HtmlEncoder.Default, new TemplateContext());
Assert.Equal("x", sw.ToString());
}
public async Task CaseProcessNoMatchWhen()
{
var e = new CaseStatement(
A,
null,
new[] {
new WhenStatement(new [] { B }, TEXT("2")),
new WhenStatement(new [] { C }, TEXT("3"))
}
);
var sw = new StringWriter();
await e.WriteToAsync(sw, HtmlEncoder.Default, new TemplateContext());
Assert.Equal("", sw.ToString());
}
public async Task CaseDoesntProcessWhenNoMatch()
{
var e = new CaseStatement(
A,
null,
new[] {
new WhenStatement(new List <Expression> {
B, C, D
}, TEXT("x"))
}
);
var sw = new StringWriter();
await e.WriteToAsync(sw, HtmlEncoder.Default, new TemplateContext());
Assert.Equal("", sw.ToString());
}
public async Task CaseDoesntProcessElseWhenMatch()
{
var e = new CaseStatement(
A,
new ElseStatement(new List <Statement> {
new TextStatement(new StringSegment("y"))
}),
new[] {
new WhenStatement(new List <Expression> {
A
}, TEXT("x"))
}
);
var sw = new StringWriter();
await e.WriteToAsync(sw, HtmlEncoder.Default, new TemplateContext());
Assert.Equal("x", sw.ToString());
}
public async Task CaseProcessesMultipleStatements()
{
var e = new CaseStatement(
A,
null,
new[] {
new WhenStatement(new List <Expression> {
A
},
new List <Statement> {
new TextStatement(new StringSegment("x")), new TextStatement(new StringSegment("y"))
})
}
);
var sw = new StringWriter();
await e.WriteToAsync(sw, HtmlEncoder.Default, new TemplateContext());
Assert.Equal("xy", sw.ToString());
}
public async Task CaseEvaluateMember()
{
var e = new CaseStatement(
new MemberExpression(
new IdentifierSegment("val")
),
null,
new[] {
new WhenStatement(new List <Expression> {
A
}, TEXT("x"))
}
);
var sw = new StringWriter();
var context = new TemplateContext();
context.SetValue("val", "a");
await e.WriteToAsync(sw, HtmlEncoder.Default, context);
Assert.Equal("x", sw.ToString());
}
