63 lines
1.6 KiB
Swift
63 lines
1.6 KiB
Swift
import Spectre
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@testable import Stencil
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func testTokenParser() {
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describe("TokenParser") {
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$0.it("can parse a text token") {
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let parser = TokenParser(tokens: [
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.text(value: "Hello World")
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], namespace: Namespace())
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let nodes = try parser.parse()
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let node = nodes.first as? TextNode
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try expect(nodes.count) == 1
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try expect(node?.text) == "Hello World"
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}
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$0.it("can parse a variable token") {
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let parser = TokenParser(tokens: [
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.variable(value: "'name'")
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], namespace: Namespace())
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let nodes = try parser.parse()
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let node = nodes.first as? VariableNode
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try expect(nodes.count) == 1
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let result = try node?.render(Context())
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try expect(result) == "name"
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}
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$0.it("can parse a comment token") {
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let parser = TokenParser(tokens: [
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.comment(value: "Secret stuff!")
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], namespace: Namespace())
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let nodes = try parser.parse()
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try expect(nodes.count) == 0
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}
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$0.it("can parse a tag token") {
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let namespace = Namespace()
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namespace.registerSimpleTag("known") { _ in
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return ""
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}
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let parser = TokenParser(tokens: [
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.block(value: "known"),
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], namespace: namespace)
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let nodes = try parser.parse()
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try expect(nodes.count) == 1
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}
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$0.it("errors when parsing an unknown tag") {
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let parser = TokenParser(tokens: [
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.block(value: "unknown"),
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], namespace: Namespace())
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try expect(try parser.parse()).toThrow(TemplateSyntaxError("Unknown template tag 'unknown'"))
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}
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}
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}
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