JuliaFEM.jl/docs/tutorials/2015-07-04-hello-world-functional-tests-part-2.ipynb

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    "# First steps toward functional testing, part 2\n",
    "\n",
    "Author(s): Jukka Aho <jukka.aho@kapsi.fi>\n",
    "\n",
    "Abstract: This is demonstration document describing how to combine functional testing, continous integration and documentation in to the single document.\n",
    "\n",
    "These multi-purposal documents test several things at once. While they test that documentation is up-to-date, calculation results are what is expected and code base is working, they also serve as a tutorials and examples how to use JuliaFEM."
   ]
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  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Let's start. **Hello world**. *Local* time is here"
   ]
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   "source": [
    "Libc.strftime(time())"
   ]
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   "cell_type": "markdown",
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   "source": [
    "Basic testing"
   ]
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   "source": [
    "f(x) = 2*x\n",
    "f(1)"
   ]
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   "cell_type": "code",
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   "source": [
    "@assert f(1) == 2"
   ]
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   "source": [
    "\\begin{equation}\n",
    "A_{ij}=\\int_{0}^{L}\\phi_{i}\\phi_{j}\\,\\mathrm{d}x\n",
    "\\end{equation}"
   ]
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   "source": [
    "## Use FactCheck to validate your results"
   ]
  },
  {
   "cell_type": "markdown",
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   "source": [
    "We actually use FactCheck to test our results"
   ]
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  {
   "cell_type": "code",
   "execution_count": null,
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   "source": [
    "using FactCheck"
   ]
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   "source": [
    "facts(\"test that f(1) equals to 2\") do\n",
    "    @fact f(1) => 2\n",
    "end"
   ]
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