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Refactor render nodes to return a Result

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This commit is contained in:
Kyle Fuller
2014-10-26 17:18:54 +00:00
parent 5a627999d5
commit d3b7e9ca0c
3 changed files with 31 additions and 28 deletions
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19
StencilTests/NodeTests.swift
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@@ -55,18 +55,23 @@ class VariableNodeTests: NodeTests {
class RenderNodeTests: NodeTests {
func testRenderingNodes() {
let nodes = [TextNode(text:"Hello "), VariableNode(variable: "name")] as [Node]
let (result:String?, error:Error?) = renderNodes(nodes, context)
XCTAssertEqual(result!, "Hello Kyle")
XCTAssertTrue(error == nil)
switch renderNodes(nodes, context) {
case .Success(let result):
XCTAssertEqual(result, "Hello Kyle")
case .Error(let error):
XCTAssert(false, "Unexpected error")
}
}
func testRenderingNodesWithFailure() {
let nodes = [TextNode(text:"Hello "), VariableNode(variable: "name"), ErrorNode()] as [Node]
let (result:String?, error:Error?) = renderNodes(nodes, context)
XCTAssertEqual(error!.description, "Node Error")
XCTAssertTrue(result == nil)
switch renderNodes(nodes, context) {
case .Success(let result):
XCTAssert(false, "Unexpected success")
case .Error(let error):
XCTAssertEqual("\(error)", "Node Error")
}
}
}