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improved template syntax errors with file, line number and failed token highlighted in error message

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This commit is contained in:
Ilya Puchka
2017-10-03 22:47:28 +02:00
parent 2e80f70f67
commit 6300dbc7bf
17 changed files with 220 additions and 190 deletions
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81
Tests/StencilTests/ForNodeSpec.swift
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@@ -170,88 +170,13 @@ func testForNode() {
$0.it("handles invalid input") {
let tokens: [Token] = [
.block(value: "for i"),
.block(value: "for i", at: .unknown),
]
let parser = TokenParser(tokens: tokens, environment: Environment())
let error = TemplateSyntaxError("'for' statements should use the following 'for x in y where condition' `for i`.")
let error = TemplateSyntaxError("'for' statements should use the following syntax 'for x in y where condition'.")
try expect(try parser.parse()).toThrow(error)
}
$0.it("can iterate over struct properties") {
struct MyStruct {
let string: String
let number: Int
}
let context = Context(dictionary: [
"struct": MyStruct(string: "abc", number: 123)
])
let nodes: [NodeType] = [
VariableNode(variable: "property"),
TextNode(text: "="),
VariableNode(variable: "value"),
TextNode(text: "\n"),
]
let node = ForNode(resolvable: Variable("struct"), loopVariables: ["property", "value"], nodes: nodes, emptyNodes: [])
let result = try node.render(context)
try expect(result) == "string=abc\nnumber=123\n"
}
$0.it("can iterate tuple items") {
let context = Context(dictionary: [
"tuple": (one: 1, two: "dva"),
])
let nodes: [NodeType] = [
VariableNode(variable: "label"),
TextNode(text: "="),
VariableNode(variable: "value"),
TextNode(text: "\n"),
]
let node = ForNode(resolvable: Variable("tuple"), loopVariables: ["label", "value"], nodes: nodes, emptyNodes: [])
let result = try node.render(context)
try expect(result) == "one=1\ntwo=dva\n"
}
$0.it("can iterate over class properties") {
class MyClass {
var baseString: String
var baseInt: Int
init(_ string: String, _ int: Int) {
baseString = string
baseInt = int
}
}
class MySubclass: MyClass {
var childString: String
init(_ childString: String, _ string: String, _ int: Int) {
self.childString = childString
super.init(string, int)
}
}
let context = Context(dictionary: [
"class": MySubclass("child", "base", 1)
])
let nodes: [NodeType] = [
VariableNode(variable: "label"),
TextNode(text: "="),
VariableNode(variable: "value"),
TextNode(text: "\n"),
]
let node = ForNode(resolvable: Variable("class"), loopVariables: ["label", "value"], nodes: nodes, emptyNodes: [])
let result = try node.render(context)
try expect(result) == "childString=child\nbaseString=base\nbaseInt=1\n"
}
}
}