111 lines
4.6 KiB
Swift
111 lines
4.6 KiB
Swift
import Spectre
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@testable import Stencil
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import Foundation
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func testForNode() {
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describe("ForNode") {
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let context = Context(dictionary: [
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"items": [1, 2, 3],
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"emptyItems": [Int](),
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])
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$0.it("renders the given nodes for each item") {
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let nodes: [NodeType] = [VariableNode(variable: "item")]
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let node = ForNode(resolvable: Variable("items"), loopVariable: "item", nodes: nodes, emptyNodes: [])
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try expect(try node.render(context)) == "123"
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}
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$0.it("renders the given empty nodes when no items found item") {
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let nodes: [NodeType] = [VariableNode(variable: "item")]
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let emptyNodes: [NodeType] = [TextNode(text: "empty")]
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let node = ForNode(resolvable: Variable("emptyItems"), loopVariable: "item", nodes: nodes, emptyNodes: emptyNodes)
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try expect(try node.render(context)) == "empty"
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}
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$0.it("renders a context variable of type Array<Any>") {
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let any_context = Context(dictionary: [
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"items": ([1, 2, 3] as [Any])
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])
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let nodes: [NodeType] = [VariableNode(variable: "item")]
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let node = ForNode(resolvable: Variable("items"), loopVariable: "item", nodes: nodes, emptyNodes: [])
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try expect(try node.render(any_context)) == "123"
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}
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#if os(OSX)
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$0.it("renders a context variable of type NSArray") {
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let nsarray_context = Context(dictionary: [
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"items": NSArray(array: [1, 2, 3])
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])
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let nodes: [NodeType] = [VariableNode(variable: "item")]
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let node = ForNode(resolvable: Variable("items"), loopVariable: "item", nodes: nodes, emptyNodes: [])
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try expect(try node.render(nsarray_context)) == "123"
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}
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#endif
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$0.it("renders the given nodes while providing if the item is first in the context") {
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let nodes: [NodeType] = [VariableNode(variable: "item"), VariableNode(variable: "forloop.first")]
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let node = ForNode(resolvable: Variable("items"), loopVariable: "item", nodes: nodes, emptyNodes: [])
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try expect(try node.render(context)) == "1true2false3false"
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}
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$0.it("renders the given nodes while providing if the item is last in the context") {
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let nodes: [NodeType] = [VariableNode(variable: "item"), VariableNode(variable: "forloop.last")]
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let node = ForNode(resolvable: Variable("items"), loopVariable: "item", nodes: nodes, emptyNodes: [])
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try expect(try node.render(context)) == "1false2false3true"
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}
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$0.it("renders the given nodes while providing item counter") {
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let nodes: [NodeType] = [VariableNode(variable: "item"), VariableNode(variable: "forloop.counter")]
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let node = ForNode(resolvable: Variable("items"), loopVariable: "item", nodes: nodes, emptyNodes: [])
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try expect(try node.render(context)) == "112233"
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}
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$0.it("renders the given nodes while filtering items using where expression") {
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let nodes: [NodeType] = [VariableNode(variable: "item"), VariableNode(variable: "forloop.counter")]
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let `where` = try parseExpression(components: ["item", ">", "1"], tokenParser: TokenParser(tokens: [], environment: Environment()))
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let node = ForNode(resolvable: Variable("items"), loopVariable: "item", nodes: nodes, emptyNodes: [], where: `where`)
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try expect(try node.render(context)) == "2132"
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}
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$0.it("renders the given empty nodes when all items filtered out with where expression") {
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let nodes: [NodeType] = [VariableNode(variable: "item")]
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let emptyNodes: [NodeType] = [TextNode(text: "empty")]
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let `where` = try parseExpression(components: ["item", "==", "0"], tokenParser: TokenParser(tokens: [], environment: Environment()))
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let node = ForNode(resolvable: Variable("emptyItems"), loopVariable: "item", nodes: nodes, emptyNodes: emptyNodes, where: `where`)
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try expect(try node.render(context)) == "empty"
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}
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$0.it("can render a filter") {
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let templateString = "{% for article in ars|default:articles %}" +
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"- {{ article.title }} by {{ article.author }}.\n" +
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"{% endfor %}\n"
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let context = Context(dictionary: [
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"articles": [
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Article(title: "Migrating from OCUnit to XCTest", author: "Kyle Fuller"),
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Article(title: "Memory Management with ARC", author: "Kyle Fuller"),
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]
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])
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let template = Template(templateString: templateString)
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let result = try template.render(context)
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let fixture = "" +
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"- Migrating from OCUnit to XCTest by Kyle Fuller.\n" +
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"- Memory Management with ARC by Kyle Fuller.\n" +
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"\n"
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try expect(result) == fixture
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}
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}
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}
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fileprivate struct Article {
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let title: String
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let author: String
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}
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