Add tests for count_phrases analyzer

Author: caleb531

tests/test_count_phrases.py

@@ -0,0 +1,75 @@
+#!/usr/bin/env python3
+"""test the count_phrases built-in analyzer"""
+
+import sys
+from unittest.mock import MagicMock, patch
+
+import pandas as pd
+
+import ica.analyzers.count_phrases as count_phrases
+from tests import ICATestCase
+
+
+class TestMessageTotals(ICATestCase):
+
+    @patch("ica.output_results")
+    @patch(
+        "sys.argv",
+        [count_phrases.__file__, "-c", "Thomas Riverstone", "reminds me"],
+    )
+    def test_single_phrase(self, output_results: MagicMock) -> None:
+        """should count the number of occurrences of a single phrase"""
+        count_phrases.main()
+        df: pd.DataFrame = output_results.call_args[0][0]
+        phrase = sys.argv[-1]
+        self.assertEqual(df.loc[phrase]["count"], 2)
+
+    @patch("ica.output_results")
+    @patch(
+        "sys.argv",
+        [count_phrases.__file__, "-c", "Thomas Riverstone", "hey", "reminds me"],
+    )
+    def test_multiple_phrases(self, output_results: MagicMock) -> None:
+        """should count the number of occurrences of multiple phrases"""
+        count_phrases.main()
+        df: pd.DataFrame = output_results.call_args[0][0]
+        phrases = sys.argv[-2:]
+        self.assertEqual(df.loc[phrases[0]]["count"], 2)
+        self.assertEqual(df.loc[phrases[1]]["count"], 2)
+
+    @patch("ica.output_results")
+    @patch(
+        "sys.argv",
+        [count_phrases.__file__, "-c", "Thomas Riverstone", "🤣", "😅"],
+    )
+    def test_emoji(self, output_results: MagicMock) -> None:
+        """should count the number of occurrences of the specified emoji"""
+        count_phrases.main()
+        df: pd.DataFrame = output_results.call_args[0][0]
+        phrases = sys.argv[-2:]
+        self.assertEqual(df.loc[phrases[0]]["count"], 2)
+        self.assertEqual(df.loc[phrases[1]]["count"], 1)
+
+    @patch("ica.output_results")
+    @patch(
+        "sys.argv",
+        [count_phrases.__file__, "-c", "Jane Fernbrook", " "],
+    )
+    def test_whitespace(self, output_results: MagicMock) -> None:
+        """should count the number of occurrences of a space character"""
+        count_phrases.main()
+        df: pd.DataFrame = output_results.call_args[0][0]
+        phrase = sys.argv[-1]
+        self.assertEqual(df.loc[phrase]["count"], 90)
+
+    @patch("ica.output_results")
+    @patch(
+        "sys.argv",
+        [count_phrases.__file__, "-c", "Thomas Riverstone", "!"],
+    )
+    def test_special_characters(self, output_results: MagicMock) -> None:
+        """should count the number of occurrences of a special character"""
+        count_phrases.main()
+        df: pd.DataFrame = output_results.call_args[0][0]
+        phrase = sys.argv[-1]
+        self.assertEqual(df.loc[phrase]["count"], 10)