describe('reload', function() local reload before_each(function() package.loaded['preview.reload'] = nil reload = require('preview.reload') end) after_each(function() reload.stop() end) describe('inject', function() it('injects script before ', function() local path = os.tmpname() local f = assert(io.open(path, 'w')) f:write('

hello

') f:close() reload.inject(path) local fr = assert(io.open(path, 'r')) local content = fr:read('*a') fr:close() os.remove(path) assert.is_truthy(content:find('EventSource', 1, true)) local script_pos = content:find('EventSource', 1, true) local body_pos = content:find('', 1, true) assert.is_truthy(body_pos) assert.is_true(script_pos < body_pos) end) it('appends script when no ', function() local path = os.tmpname() local f = assert(io.open(path, 'w')) f:write('

hello

') f:close() reload.inject(path) local fr = assert(io.open(path, 'r')) local content = fr:read('*a') fr:close() os.remove(path) assert.is_truthy(content:find('EventSource', 1, true)) end) end) describe('broadcast', function() it('does not error with no clients', function() assert.has_no.errors(function() reload.broadcast() end) end) end) end)