diff --git a/test_html_writer.py b/test_html_writer.py
new file mode 100644
index 0000000000000000000000000000000000000000..e2a0d9fbd07cb701d9d969736a6b451a125172ac
--- /dev/null
+++ b/test_html_writer.py
@@ -0,0 +1,51 @@
+#!/usr/bin/env python3
+
+import unittest
+from html_writer import read_html, read_csv, csv_to_html, combine_template_with_data
+
+class TestHTMLWriter(unittest.TestCase):
+
+ def setUp(self):
+ self.csvdata = [["First", "Last", "E-Mail"]]
+ self.htmldata = "<tr><td>A</td><td>B</td><td>C</td></tr>"
+ self.template = read_html()
+
+ def test_read_csv_type(self):
+ result = read_csv("test.csv")
+ self.assertIsInstance(result, list)
+
+ def test_read_csv_data(self):
+ result = read_csv("test.csv")
+ first = result[0][0]
+ self.assertEqual(first, "Andreas")
+
+ def test_csv_to_html_type(self):
+ htmlstring = csv_to_html(self.csvdata)
+ self.assertIsInstance(htmlstring, str)
+
+ def test_csv_to_html_is_table_row(self):
+ htmlstring = csv_to_html(self.csvdata)
+ self.assertIn("<tr>", htmlstring)
+ self.assertIn("</tr>", htmlstring)
+
+ def test_csv_to_html_has_table_data(self):
+ htmlstring = csv_to_html(self.csvdata)
+ self.assertIn("<td>", htmlstring)
+ self.assertIn("</td>", htmlstring)
+
+ def test_csv_to_html_replaced_brackets(self):
+ htmlstring = csv_to_html(self.csvdata)
+ self.assertNotIn("{}", htmlstring)
+
+ def test_combine_template_with_data_type(self):
+ content = combine_template_with_data(self.template, "")
+ self.assertIsInstance(content, str)
+
+ def test_combine_template_with_data_replace(self):
+ content = combine_template_with_data(self.template, self.htmldata)
+ self.assertTrue(content.startswith("<!DOCTYPE html>"))
+ self.assertTrue(content.endswith("</html>\n"))
+ self.assertNotIn("{}", content)
+
+if __name__ == "__main__":
+ unittest.main()