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feat: New extensions API (#78)

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This commit is contained in:
Kyle Fuller
2016-12-07 21:27:31 +00:00
committed by GitHub
parent d3706f074d
commit d7b152089e
15 changed files with 128 additions and 287 deletions
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19
Tests/StencilTests/FilterSpec.swift
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@@ -9,8 +9,8 @@ func testFilter() {
$0.it("allows you to register a custom filter") {
let template = Template(templateString: "{{ name|repeat }}")
let namespace = Namespace()
namespace.registerFilter("repeat") { (value: Any?) in
let repeatExtension = Extension()
repeatExtension.registerFilter("repeat") { (value: Any?) in
if let value = value as? String {
return "\(value) \(value)"
}
@@ -18,15 +18,15 @@ func testFilter() {
return nil
}
let result = try template.render(Context(dictionary: context, namespace: namespace))
let result = try template.render(Context(dictionary: context, environment: Environment(extensions: [repeatExtension])))
try expect(result) == "Kyle Kyle"
}
$0.it("allows you to register a custom filter which accepts arguments") {
let template = Template(templateString: "{{ name|repeat:'value' }}")
let namespace = Namespace()
namespace.registerFilter("repeat") { value, arguments in
let repeatExtension = Extension()
repeatExtension.registerFilter("repeat") { value, arguments in
if !arguments.isEmpty {
return "\(value!) \(value!) with args \(arguments.first!!)"
}
@@ -34,18 +34,19 @@ func testFilter() {
return nil
}
let result = try template.render(Context(dictionary: context, namespace: namespace))
let result = try template.render(Context(dictionary: context, environment: Environment(extensions: [repeatExtension])))
try expect(result) == "Kyle Kyle with args value"
}
$0.it("allows you to register a custom which throws") {
let template = Template(templateString: "{{ name|repeat }}")
let namespace = Namespace()
namespace.registerFilter("repeat") { (value: Any?) in
let repeatExtension = Extension()
repeatExtension.registerFilter("repeat") { (value: Any?) in
throw TemplateSyntaxError("No Repeat")
}
try expect(try template.render(Context(dictionary: context, namespace: namespace))).toThrow(TemplateSyntaxError("No Repeat"))
let context = Context(dictionary: context, environment: Environment(extensions: [repeatExtension]))
try expect(try template.render(context)).toThrow(TemplateSyntaxError("No Repeat"))
}
$0.it("allows whitespace in expression") {