tests/scripts/lua/lib/utils.lua

-- Copyright (c) 2016 IBM. All rights reserved.
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local fakengx = require 'fakengx'
local utils = require 'lib/utils'

describe('Testing utils module', function()
  before_each(function()
    _G.ngx = fakengx.new()
  end)

  it('should concatenate strings properly', function()
    local expected = 'hello' .. 'gateway' .. 'world'
    local generated = utils.concatStrings({'hello', 'gateway', 'world'})
    assert.are.equal(expected, generated)
  end)

  it('should serialize a simple lua table', function()
    local expected = {
      test = true
    }
    local serialized = utils.serializeTable(expected)
    loadstring('generated = ' .. serialized)() -- convert serialzed string to lua table
    assert.are.same(expected, generated)
  end)

  it('should serialize an empty table', function()
    local expected = {}
    local serialized = utils.serializeTable(expected)
    loadstring('generated = ' .. serialized)() -- convert serialzed string to lua table
    assert.are.same(expected, generated)
  end)

  it('should serialize complex nested table', function()
    local expected = {
      test1 = {
        nested = 'value'
      },
      test2 = true
    }
    local serialized = utils.serializeTable(expected)
    loadstring('generated = ' .. serialized)() -- convert serialzed string to lua table
    assert.are.same(expected, generated)
  end)
end)