Merge pull request #4 from UWSEDS/update_testing_notebook

Updating testing notebook for pytest

Author: bhazelton

07_debug_exceptions_testing/Unit-tests.ipynb

@@ -12,7 +12,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 1,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -78,7 +78,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 2,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -273,11 +273,11 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 11,
    "metadata": {},
    "outputs": [],
    "source": [
-    "def test_entropy_parameter_checking():\n",
+    "def entropy_parameter_checking():\n",
     "    # first, let's try not summing to 1\n",
     "    try:\n",
     "        entropy([.9, .9])\n",
@@ -295,7 +295,7 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "test_entropy_parameter_checking()"
+    "entropy_parameter_checking()"
    ]
   },
   {
@@ -319,7 +319,7 @@
    "outputs": [],
    "source": [
     "# Pattern test\n",
-    "def test_equal_probabilities(n):\n",
+    "def check_equal_probabilities(n):\n",
     "    prob = 1.0/n\n",
     "    ps = np.repeat(prob , n)\n",
     "    if np.isclose(entropy(ps), -np.log2(prob)):\n",
@@ -330,7 +330,7 @@
     "        \n",
     "        \n",
     "# Run a test\n",
-    "test_equal_probabilities(100000)"
+    "check_equal_probabilities(100000)"
    ]
   },
   {
@@ -354,11 +354,11 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 14,
    "metadata": {},
    "outputs": [],
    "source": [
-    "def makeProbabilityMatrix(column_names, nrows):\n",
+    "def make_probability_matrix(column_names, nrows):\n",
     "    \"\"\"\n",
     "    Makes a dataframe with the specified column names such that each\n",
     "    cell is a value in [0, 1] and columns sum to 1.\n",
@@ -386,7 +386,7 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "makeProbabilityMatrix(['a', 'b'], 3)"
+    "make_probability_matrix(['a', 'b'], 3)"
    ]
   },
   {
@@ -397,7 +397,7 @@
    "source": [
     "# Test 2: Check columns\n",
     "COLUMNS = ['a', 'b']\n",
-    "df = makeProbabilityMatrix(COLUMNS, 3)\n",
+    "df = make_probability_matrix(COLUMNS, 3)\n",
     "set(COLUMNS) == set(df.columns)"
    ]
   },
@@ -429,13 +429,10 @@
     "- The infrastructure provides a uniform way to report test results, and to handle test failures.\n",
     "- A test infrastructure can tell you about coverage so you know what tests to add.\n",
     "\n",
-    "We'll be using the `Pytest` framework. This is a separate Python package. Using this infrastructure, requires the following:\n",
-    "1. import the pytest module\n",
+    "We'll be using the `pytest` framework. This is a separate Python package. Using this infrastructure, requires the following:\n",
     "1. write methods that run the code to be tested and check the outcomes.\n",
-    "\n",
-    "You indicate that a method is to be run as a test by having the method name begin with \"test\".\n",
-    "\n",
-    "Second, the \"test methods\" should communicate with the infrastructure the results of evaluating output from the code under test. This is done by using `assert` statements. For example, `np.testing.assert_equal` takes two arguments. If these are objects for which `==` returns `True`, then the test passes. Otherwise, the test fails."
+    "1. Indicate that a method is to be run as a test by having the method name begin with \"test\".\n",
+    "1. The \"test methods\" should communicate with the infrastructure the results of evaluating output from the code under test. This is done by using `assert` statements. For example, `np.testing.assert_equal` takes two arguments. If these are objects for which `==` returns `True`, then the test passes. Otherwise, the test fails."
    ]
   },
   {
@@ -455,26 +452,23 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 17,
    "metadata": {},
    "outputs": [],
    "source": [
-    "import pytest\n",
     "import ipytest\n",
     "import numpy as np\n",
     "ipytest.autoconfig()"
    ]
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 18,
    "metadata": {
     "scrolled": true
    },
    "outputs": [],
    "source": [
-    "%%ipytest\n",
-    "\n",
     "# Define test functions\n",
     "\n",
     "def test_success():\n",
@@ -484,7 +478,16 @@
     "    assert 1 == 1\n",
     "\n",
     "def test_failure():\n",
-    "    assert 1 ==2\n"
+    "    assert 1 == 2\n"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "ipytest.run()"
    ]
   },
   {
@@ -525,8 +528,6 @@
    "outputs": [],
    "source": [
     "# Implementating a pattern test. Use functions in the test.\n",
-    "import pytest\n",
-    "        \n",
     "def test_equal_probability():\n",
     "    def test(count):\n",
     "        \"\"\"\n",
@@ -549,8 +550,6 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "import pytest\n",
-    "\n",
     "# Define test functions for the entropy function"
    ]
   },
@@ -565,14 +564,10 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 21,
    "metadata": {},
    "outputs": [],
    "source": [
-    "%%ipytest\n",
-    "\n",
-    "import pytest\n",
-    "\n",
     "# Define tests to run\n",
     "        \n",
     "def test_invalid_probability():\n",
@@ -583,6 +578,15 @@
     "        assert True"
    ]
   },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "ipytest.run()"
+   ]
+  },
   {
    "cell_type": "markdown",
    "metadata": {},
@@ -592,22 +596,29 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 24,
    "metadata": {},
    "outputs": [],
    "source": [
-    "%%ipytest\n",
-    "\n",
     "import pytest\n",
     "\n",
     "# Define tests\n",
     "\n",
     "def test_invalid_probability():\n",
-    "    with pytest.raises(ValueError):\n",
+    "    with pytest.raises(ValueError, match=\"The list of input probabilities does not sum to 1\"):\n",
     "        entropy([0.1, 0.5])\n",
     "        \n"
    ]
   },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "ipytest.run()"
+   ]
+  },
   {
    "cell_type": "markdown",
    "metadata": {},
@@ -638,11 +649,10 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 26,
    "metadata": {},
    "outputs": [],
    "source": [
-    "%%ipytest\n",
     "import pytest\n",
     "\n",
     "# Define tests\n",
@@ -660,11 +670,29 @@
    "execution_count": null,
    "metadata": {},
    "outputs": [],
+   "source": [
+    "ipytest.run()"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 9,
+   "metadata": {},
+   "outputs": [],
    "source": [
     "#def geomean(argument?):\n",
     "#    return ?"
    ]
   },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "ipytest.run()"
+   ]
+  },
   {
    "cell_type": "markdown",
    "metadata": {},
@@ -711,7 +739,7 @@
  ],
  "metadata": {
   "kernelspec": {
-   "display_name": "Python 3 (ipykernel)",
+   "display_name": "cse583",
    "language": "python",
    "name": "python3"
   },
@@ -725,7 +753,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.11.5"
+   "version": "3.13.0"
   }
  },
  "nbformat": 4,