Use find -type f to get a list of output files

test/unit/coffee/OutputFileFinderTests.coffee

@@ -4,29 +4,25 @@ require('chai').should()
 modulePath = require('path').join __dirname, '../../../app/js/OutputFileFinder'
 path = require "path"
 expect = require("chai").expect
+EventEmitter = require("events").EventEmitter
 
 describe "OutputFileFinder", ->
 	beforeEach ->
 		@OutputFileFinder = SandboxedModule.require modulePath, requires:
 			"fs": @fs = {}
-			"wrench": @wrench = {}
+			"child_process": spawn: @spawn = sinon.stub()
 		@directory = "/test/dir"
 		@callback = sinon.stub()
 
 	describe "findOutputFiles", ->
 		beforeEach ->
 			@resource_path = "resource/path.tex"
-			@output_paths   = ["output.pdf", "extra", "extra/file.tex"]
+			@output_paths   = ["output.pdf", "extra/file.tex"]
+			@all_paths = @output_paths.concat [@resource_path]
 			@resources = [
 				path: @resource_path = "resource/path.tex"
 			]
-			@OutputFileFinder._isDirectory = (dirPath, callback = (error, directory) ->) =>
-				callback null, dirPath == path.join(@directory, "extra")
-
-			@wrench.readdirRecursive = (dir, callback) =>
-				callback(null, [@resource_path].concat(@output_paths))
-				callback(null, null)
-			sinon.spy @wrench, "readdirRecursive"
+			@OutputFileFinder._getAllFiles = sinon.stub().callsArgWith(1, null, @all_paths)
 			@OutputFileFinder.findOutputFiles @resources, @directory, (error, @outputFiles) =>
 
 		it "should only return the output files, not directories or resource paths", ->
@@ -37,5 +33,24 @@ describe "OutputFileFinder", ->
 				path: "extra/file.tex",
 				type: "tex"
 			}]
-
+			
+	describe "_getAllFiles", ->
+		beforeEach ->
+			@proc = new EventEmitter()
+			@proc.stdout = new EventEmitter()
+			@spawn.returns @proc
+			@directory = "/base/dir"
+			@OutputFileFinder._getAllFiles @directory, @callback
+			
+			@proc.stdout.emit(
+				"data",
+				["/base/dir/main.tex", "/base/dir/chapters/chapter1.tex"].join("\n") + "\n"
+			)
+			@proc.emit "close", 0
+			
+		it "should call the callback with the relative file paths", ->
+			@callback.calledWith(
+				null,
+				["main.tex", "chapters/chapter1.tex"]
+			).should.equal true