initial commit

test/spec/voxel_spec.lua

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+local test_helper = require('test.test_helper')
+local mocks = test_helper.mocks
+local utils = test_helper.utils
+
+describe('Voxel Module', function()
+  local voxel
+  
+  before_each(function()
+    -- Mock LOVR
+    _G.lovr = mocks.lovr
+    voxel = require('src.voxel.init')
+  end)
+  
+  it('should create voxel texture', function()
+    local color = { 1, 0, 0 }
+    local texture = voxel.createVoxelTexture(color)
+    assert.are.equal('texture', texture.type)
+    assert.are.equal(64, texture.image.width)
+    assert.are.equal(64, texture.image.height)
+  end)
+  
+  it('should initialize textures for furniture', function()
+    mocks.setupFilesystem()
+    require('src.core')
+    voxel.init()
+    assert.are_not.equal(nil, voxel.textures['bed'])
+    assert.are_not.equal(nil, voxel.textures['cat_tree'])
+  end)
+  
+  it('should create cube mesh', function()
+    local mesh = voxel.cubeMesh
+    assert.are.equal('mesh', mesh.type)
+    assert.are.equal(36, #mesh.indices) -- 12 triangles
+  end)
+  
+  it('should render world', function()
+    mocks.setupFilesystem()
+    require('src.core')
+    local pass = utils.createMockPass()
+    voxel.renderWorld(pass)
+    -- Should draw floor and walls
+  end)
+  
+  it('should render furniture', function()
+    mocks.setupFilesystem()
+    require('src.core')
+    local pass = utils.createMockPass()
+    voxel.renderFurniture(pass)
+  end)
+  
+  it('should render cats', function()
+    mocks.setupFilesystem()
+    require('src.core')
+    local pass = utils.createMockPass()
+    voxel.renderCats(pass)
+  end)
+  
+  it('should raycast furniture', function()
+    local start = { 0, 0, 0 }
+    local direction = { 0, 0, -1 }
+    local maxDistance = 10
+    
+    local result = voxel.raycast(start, direction, maxDistance)
+    assert.are.equal('table', type(result))
+  end)
+  
+  it('should raycast cats', function()
+    local start = { 0, 0, 0 }
+    local direction = { 0, 0, -1 }
+    local maxDistance = 10
+    
+    local result = voxel.raycast(start, direction, maxDistance)
+    assert.are.equal('table', type(result))
+  end)
+  
+  it('should handle nil inputs', function()
+    local result = voxel.raycast(nil, nil, nil)
+    assert.are.equal('table', type(result))
+    assert.are.equal(0, #result)
+  end)
+  
+  it('should handle zero distance direction', function()
+    local start = { 0, 0, 0 }
+    local direction = { 0, 0, 0 }
+    local maxDistance = 10
+    
+    local result = voxel.raycast(start, direction, maxDistance)
+    assert.are.equal('table', type(result))
+  end)
+  
+  it('should sort raycast results by distance', function()
+    local start = { 0, 0, 0 }
+    local direction = { 0, 0, -1 }
+    local maxDistance = 10
+    
+    local result = voxel.raycast(start, direction, maxDistance)
+    for i = 2, #result do
+      assert.is_true(result[i].distance >= result[i-1].distance)
+    end
+  end)
+end)