86 lines
2.9 KiB
Swift
86 lines
2.9 KiB
Swift
import Spectre
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@testable import Stencil
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func testIfNode() {
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describe("IfNode") {
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$0.describe("parsing") {
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$0.it("can parse an if block") {
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let tokens: [Token] = [
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.block(value: "if value"),
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.text(value: "true"),
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.block(value: "else"),
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.text(value: "false"),
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.block(value: "endif")
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]
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let parser = TokenParser(tokens: tokens, namespace: Namespace())
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let nodes = try parser.parse()
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let node = nodes.first as? IfNode
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let trueNode = node?.trueNodes.first as? TextNode
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let falseNode = node?.falseNodes.first as? TextNode
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try expect(nodes.count) == 1
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try expect(node?.trueNodes.count) == 1
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try expect(trueNode?.text) == "true"
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try expect(node?.falseNodes.count) == 1
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try expect(falseNode?.text) == "false"
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}
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$0.it("can parse an ifnot block") {
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let tokens: [Token] = [
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.block(value: "ifnot value"),
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.text(value: "false"),
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.block(value: "else"),
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.text(value: "true"),
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.block(value: "endif")
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]
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let parser = TokenParser(tokens: tokens, namespace: Namespace())
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let nodes = try parser.parse()
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let node = nodes.first as? IfNode
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let trueNode = node?.trueNodes.first as? TextNode
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let falseNode = node?.falseNodes.first as? TextNode
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try expect(nodes.count) == 1
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try expect(node?.trueNodes.count) == 1
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try expect(trueNode?.text) == "true"
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try expect(node?.falseNodes.count) == 1
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try expect(falseNode?.text) == "false"
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}
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$0.it("throws an error when parsing an if block without an endif") {
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let tokens: [Token] = [
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.block(value: "if value"),
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]
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let parser = TokenParser(tokens: tokens, namespace: Namespace())
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let error = TemplateSyntaxError("`endif` was not found.")
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try expect(try parser.parse()).toThrow(error)
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}
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$0.it("throws an error when parsing an ifnot without an endif") {
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let tokens: [Token] = [
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.block(value: "ifnot value"),
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]
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let parser = TokenParser(tokens: tokens, namespace: Namespace())
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let error = TemplateSyntaxError("`endif` was not found.")
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try expect(try parser.parse()).toThrow(error)
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}
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}
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$0.describe("rendering") {
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$0.it("renders the truth when expression evaluates to true") {
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let node = IfNode(expression: StaticExpression(value: true), trueNodes: [TextNode(text: "true")], falseNodes: [TextNode(text: "false")])
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try expect(try node.render(Context())) == "true"
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}
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$0.it("renders the false when expression evaluates to false") {
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let node = IfNode(expression: StaticExpression(value: false), trueNodes: [TextNode(text: "true")], falseNodes: [TextNode(text: "false")])
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try expect(try node.render(Context())) == "false"
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}
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}
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}
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}
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