Add Multiblock model, parser, and tests.

test/multiblock.test.coffee

@@ -0,0 +1,85 @@
+###
+Crafting Guide - multiblock.test.coffee
+
+Copyright (c) 2015 by Redwood Labs
+All rights reserved.
+###
+
+ItemSlug   = require '../src/coffee/models/item_slug'
+Mod        = require '../src/coffee/models/multiblock'
+Multiblock = require '../src/coffee/models/multiblock'
+Stack      = require '../src/coffee/models/stack'
+
+########################################################################################################################
+
+describe 'multiblock.coffee', ->
+
+    describe 'with a single block type', ->
+
+        beforeEach ->
+            @input = [ new Stack itemSlug:ItemSlug.slugify('cobblestone'), quantity:1 ]
+
+        it 'correctly parses a 1x1x1 cube', ->
+            model = new Multiblock input:@input, layers:['0']
+            model.depth.should.equal 1
+            model.height.should.equal 1
+            model.width.should.equal 1
+            model.getStackAt(0, 0, 0).toString().should.equal '1 cobblestone'
+
+        it 'correctly parses a solid 3x3x3 cube', ->
+            model = new Multiblock input:@input, layers:['000 000 000', '000 000 000', '000 000 000']
+            model.depth.should.equal 3
+            model.height.should.equal 3
+            model.width.should.equal 3
+
+            for x in [0..2]
+                for y in [0..2]
+                    for z in [0..2]
+                        model.getStackAt(x, y, z).toString().should.equal '1 cobblestone'
+
+        it 'correctly parses a hollow 3x3x3 cube', ->
+            model = new Multiblock input:@input, layers:['000 000 000', '000 0.0 000', '000 000 000']
+            model.depth.should.equal 3
+            model.height.should.equal 3
+            model.width.should.equal 3
+
+            for x in [0..2]
+                for y in [0..2]
+                    for z in [0..2]
+                        if x isnt 1 or y isnt 1 or z isnt 1
+                            model.getStackAt(x, y, z).toString().should.equal '1 cobblestone'
+                        else
+                            expect(model.getStackAt(x, y, z)).to.be.null
+
+        it 'correctly parses a 3x2x3 pyramid', ->
+            model = new Multiblock input:@input, layers:['000 000 000', '.. .0 ..']
+            model.depth.should.equal 3
+            model.height.should.equal 2
+            model.width.should.equal 3
+
+            for y in [0..1]
+                for z in [0..2]
+                    for x in [0..2]
+                        if y is 1 and (x isnt 1 or z isnt 1)
+                            expect(model.getStackAt(x, y, z)).to.be.null
+                        else
+                            model.getStackAt(x, y, z).toString().should.equal '1 cobblestone'
+
+    describe 'with multiple block types', ->
+
+        beforeEach ->
+            @input = [
+                new Stack itemSlug:ItemSlug.slugify('cobblestone'), quantity:1
+                new Stack itemSlug:ItemSlug.slugify('stone'), quantity:1
+                new Stack itemSlug:ItemSlug.slugify('oak wood'), quantity:1
+            ]
+
+        it 'correctly parses a 1x3x1 column of different types', ->
+            model = new Multiblock input:@input, layers:['0', '1', '2']
+            model.depth.should.equal 1
+            model.height.should.equal 3
+            model.width.should.equal 1
+
+            model.getStackAt(0, 0, 0).toString().should.equal '1 cobblestone'
+            model.getStackAt(0, 1, 0).toString().should.equal '1 stone'
+            model.getStackAt(0, 2, 0).toString().should.equal '1 oak_wood'

test/parser_versions/mod_version_parser_v1.test.coffee

@@ -63,6 +63,42 @@ describe 'mod_version_parser_v1.coffee', ->
                 func = -> parser.parse 'gatherable: yes; item: Alpha Bravo; gatherable: yes'
                 expect(func).to.throw Error, '"gatherable" before "item"'
 
+    describe 'Multiblock', ->
+
+        it 'adds a "multiblock" when present', ->
+            modVersion = parser.parse 'item: Alpha; multiblock:; input:Bravo; layer: 0'
+            item = modVersion.findItemByName 'Alpha'
+            item.multiblock.height.should.equal 1
+
+        it 'requires "item" be declared before "multiblock"', ->
+            func = -> parser.parse "multiblock:"
+            expect(func).to.throw Error, '"multiblock" before "item"'
+
+        it 'prohibits multiple "multiblock" commands per item"', ->
+            func = -> parser.parse "item: Alpha; multiblock:; multiblock:"
+            expect(func).to.throw Error, 'duplicate'
+
+        it 'prohibits multiblocks with no inputs', ->
+            func = -> parser.parse "item: Alpha; multiblock:; layer: 000"
+            expect(func).to.throw Error, 'at least one "input"'
+
+        describe 'layer', ->
+
+            it 'allows multiple "layer" commands', ->
+                modVersion = parser.parse 'item: Alpha; multiblock:; input:Bravo, Charlie; layer: 01 10; layer: 10 01'
+                item = modVersion.findItemByName 'Alpha'
+                item.multiblock.depth.should.equal 2
+                item.multiblock.height.should.equal 2
+                item.multiblock.width.should.equal 2
+
+            it 'prohibits empty layers', ->
+                func = -> parser.parse 'item: Alpha; multiblock:; input: Bravo; layer:; layer: 00 00'
+                expect(func).to.throw Error, 'empty layer'
+
+            it 'prohibits multiblocks with no layers', ->
+                func = -> parser.parse "item: Alpha; multiblock:; input: Bravo"
+                expect(func).to.throw Error, 'at least one "layer"'
+
     describe 'Recipe', ->
 
         beforeEach -> baseText = 'item: Charlie; '

test/test_helper.coffee

@@ -15,6 +15,7 @@ global._        = require 'underscore'
 global.Backbone = require 'backbone'
 global.assert   = chai.assert
 global.expect   = chai.expect
+global.inspect  = require('util').inspect
 global.should   = chai.should()
 global.sinon    = require 'sinon'
 global.util     = require 'util'