Add myunzip0 tests

Makefile

-all : myzip0 myunzip0 huffman inflate test_inflate myunzip myzip lz77
+all : myzip0 myunzip0 huffman inflate myunzip myzip lz77
 
 myzip0 : myzip0.c
 	cc myzip0.c -o myzip0
 
-myunzip0 : myunzip0.c
-	cc myunzip0.c -o myunzip0
+myunzip0 : src/myunzip0/myunzip0.c
+	cc src/myunzip0/myunzip0.c -o myunzip0
 
 huffman : huffman.c
 	cc huffman.c -o huffman
@@ -15,10 +15,6 @@ inflate : include/inflate.h src/inflate/main.c src/inflate/inflate.c
 myunzip : include/inflate.h src/inflate/inflate.c src/myunzip/myunzip.c
 	gcc -I include src/inflate/inflate.c src/myunzip/myunzip.c -o myunzip 
 
-test_inflate : src/inflate/inflate.c tests/inflate_test.cpp
-	g++ -I include src/inflate/inflate.c tests/inflate_test.cpp -o test_inflate -l gtest
-	./test_inflate
-
 lz77 : include/bitwriter.h include/hashmap.h include/lz77.h src/lz77/bitwriter.c src/lz77/hashmap.c src/lz77/lz77.c src/lz77/main.c
 	cc -I include src/lz77/lz77.c src/lz77/hashmap.c src/lz77/bitwriter.c src/lz77/main.c -o lz77
 
@@ -26,4 +22,4 @@ myzip : include/bitwriter.h include/hashmap.h include/lz77.h src/lz77/bitwriter.
 	cc -I include src/lz77/lz77.c src/lz77/hashmap.c src/lz77/bitwriter.c src/myzip/myzip.c -o myzip
 
 clean :
-	rm -f myzip0 myunzip0 huffman inflate test_inflate myunzip myzip lz77
+	rm -f myzip0 myunzip0 huffman inflate myunzip myzip lz77 test_myunzip0

myunzip0.c → src/myunzip0/myunzip0.c

@@ -57,8 +57,6 @@ void unzip(FILE *fp) {
     
     FILE *out = fopen(fname, "wb");
 
-    /* TODO is there a better way to do this? 
-     * worried about storing a huge buffer for large files... */
     char *buf = (char *) malloc(size * sizeof(char));
     fread(buf, 1, size, fp);
     fwrite(buf, 1, size, out); 

tests/resources/uncompressed_expected.txt

+This is a test file. It is not compressed and should, therefore, be extracted
+from myunzip0. 

tests/test_myunzip0.py

+import unittest
+import os
+import filecmp
+import subprocess
+
+
+EXEC_NAME = './myunzip0'
+
+class TestMyUnzip0(unittest.TestCase):
+
+    def test_uncompressed(self):
+        subprocess.run([EXEC_NAME, 'tests/resources/uncompressed.zip'])
+        
+        # Check that the correct file was extracted
+        self.assertTrue(os.path.exists('tests/resources/uncompressed.txt'))
+
+        # Check correct output 
+        self.assertTrue(filecmp.cmp('tests/resources/uncompressed.txt', 
+                                    'tests/resources/uncompressed_expected.txt'))
+
+        # Remove output 
+        os.remove('tests/resources/uncompressed.txt')
+
+    def test_compressed(self):
+        subprocess.run([EXEC_NAME, 'tests/resources/compressed.zip'])
+
+        # Check that we extracted a DEFLATE stream 
+        self.assertTrue(os.path.exists('tests/resources/compressed.txt.deflate'))
+
+        # Check correct output
+        self.assertTrue(filecmp.cmp('tests/resources/compressed_expected.deflate', 
+                                    'tests/resources/compressed.txt.deflate'))
+
+        # Remove output 
+        os.remove('tests/resources/compressed.txt.deflate')
+
+if __name__ == '__main__':
+    unittest.main()

tests/unit_tests/README.md

+These tests are specific to our implementation and were used for debugging.