diff --git a/test/Util/Glossary_test.py b/test/Util/Glossary_test.py
index 8e3ff70..d0fae7b 100644
--- a/test/Util/Glossary_test.py
+++ b/test/Util/Glossary_test.py
@@ -2,5 +2,28 @@
 import os
 sys.path.insert(0, os.path.abspath(os.path.join(os.path.dirname(__file__), '..')))
 
-import unittest
-from TenshiTranslator.Util.Glossary import Glossary
\ No newline at end of file
+import pytest
+from TenshiTranslator.Util.Glossary import Glossary
+
+def test_Constructor():
+    glossary = Glossary("test/assets/SampleNames.csv", "test/assets/SampleCorrections.csv")
+    names = glossary.names
+    corrections = glossary.corrections
+
+    assert names == {'ジョナサン': 'Jonathan'}
+    assert corrections == {'na': 'hna'}
+
+    with pytest.raises(SystemExit) as excinfo:  
+        glossary = Glossary("test/assets/SampleNames.csv", "lol.csv")
+ 
+    assert excinfo.value.code == 1
+
+def test_Replacements():
+    glossary = Glossary("test/assets/SampleNames.csv", "test/assets/SampleCorrections.csv")
+    line = "こんにちは、私の名前はジョナサンです"
+    
+    line = glossary.replaceNames(line)
+    assert line == "こんにちは、私の名前はJonathanです"
+
+    line = glossary.applyCorrections(line)
+    assert line == "こんにちは、私の名前はJohnathanです"
\ No newline at end of file
diff --git a/test/assets/SampleCorrection.csv b/test/assets/SampleCorrection.csv
deleted file mode 100644
index e69de29..0000000
diff --git a/test/assets/SampleCorrections.csv b/test/assets/SampleCorrections.csv
new file mode 100644
index 0000000..dc62f8a
--- /dev/null
+++ b/test/assets/SampleCorrections.csv
@@ -0,0 +1 @@
+na,hna
\ No newline at end of file
diff --git a/test/assets/SampleNames.csv b/test/assets/SampleNames.csv
index e69de29..8da1b62 100644
--- a/test/assets/SampleNames.csv
+++ b/test/assets/SampleNames.csv
@@ -0,0 +1 @@
+ジョナサン,Jonathan