From 6ebaad27d92a5bb47fdf9618df12d3b4120f664e Mon Sep 17 00:00:00 2001
From: Charles <sircharlesaze@gmail.com>
Date: Mon, 4 Nov 2019 02:39:01 +0100
Subject: Added basic test generator

---
 .gitignore  |  1 +
 Makefile    |  2 +-
 generate.py | 93 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++----
 header.h    |  2 ++
 main.c      |  2 ++
 5 files changed, 93 insertions(+), 7 deletions(-)

diff --git a/.gitignore b/.gitignore
index e3dcb7b..4c16688 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,3 +4,4 @@ ft_printf_test
 *.ghc
 *.dSYM
 result.log
+generated.c
diff --git a/Makefile b/Makefile
index 5cdda12..7a8f2a4 100644
--- a/Makefile
+++ b/Makefile
@@ -10,7 +10,7 @@ RM = rm -f
 MAKE = make -j4
 
 SRC = main.c helper.c tests/pft_tests.c tests/moulitest_tests.c tests/printf_tester_tests.c \
-	  tests/printf_tests_tests.c
+	  tests/printf_tests_tests.c generated.c
 OBJ = $(SRC:.c=.o)
 
 run: all
diff --git a/generate.py b/generate.py
index 6ac04b0..f119874 100644
--- a/generate.py
+++ b/generate.py
@@ -1,17 +1,98 @@
 import os
 import sys
 import argparse
+import string
+from random import randrange, choice, shuffle
 
 
+INT_MIN = -2147483648
+INT_MAX = 2147483647
+UINT_MAX = 4294967295
+CHAR_MIN = -128
+CHAR_MAX = 127
+
+ULONG_INT_MAX = 18446744073709551616
+
+chars = (list(string.ascii_lowercase) + list(string.ascii_uppercase)
+        + list(string.punctuation) + list(string.digits))
+chars.remove("\"")
+chars.remove("\\")
+chars.extend([r"\t", r"\n", r"\r", r"\v", r"\f", "\\\\"])
+
 def parse_args():
     parser = argparse.ArgumentParser(prog="ft_printf_test generator", description="A random  test generator")
-    parser.add_argument("-n", help="number of tests to generate", type=int)
-    parser.add_argument("-q", "--quiet",
-                        help="decrease vebosity", action="store_true")
-    parser.add_argument("-c", "--no-clear", help="disable terminal clear before output")
-    parser.add_argument("-f", "--output-file", help="output file name", default="tests/generated.c"))
+    parser.add_argument("-n", help="number of tests to generate", type=int, default=100)
     return vars(parser.parse_args(sys.argv[1:]))
 
+def random_string(n):
+    b =  "".join([choice(chars) for _ in range(randrange(n))])
+    return b
+
+def random_flags():
+    flags = ""
+    possible = "#0- +'"
+    for _ in range(randrange(len(possible))):
+        flags += choice(possible)
+    return flags
+
+def random_width():
+    r = randrange(100)
+    if r < 5:
+        return "*"
+    elif r < 10:
+        return ""
+    return str(randrange(200))
+
+def random_precision():
+    r = randrange(100)
+    if r < 5:
+        return ".*"
+    elif r < 10:
+        return ""
+    elif r < 12:
+        return "."
+    return "." + str(randrange(200))
+
+def generate_args():
+    a = []
+    b = []
+    fmt_str ="diuxXcsp%"
+    for _ in range(15):
+        t = fmt_str[randrange(len(fmt_str))]
+        a.append(f"%{random_flags()}{random_width()}{random_precision()}{t}")
+        b.append({
+            'c': randrange(CHAR_MIN, CHAR_MAX + 1),
+            's': "\"" + random_string(10) + "\"",
+            'd': randrange(INT_MIN, INT_MAX + 1),
+            'i': randrange(INT_MIN, INT_MAX + 1),
+            'u': randrange(UINT_MAX),
+            'x': randrange(UINT_MAX),
+            'X': randrange(UINT_MAX),
+            'p': str(randrange(ULONG_INT_MAX)) + "lu",
+            '%': None
+        }[t])
+    return a, b
+
+
+def generate_printf():
+    a, b = generate_args()
+    s = "\""
+    s2 = ""
+    for x, y in zip(a, b):
+        s += x
+        if x[-1] != '%':
+            s2 += "," + str(y)
+
+    return f"ASSERT_PRINTF({s}\" {s2});"
+
+
 
 if __name__ == "__main__":
-    pass
+    options = parse_args()
+    with open("generated.c", "w") as file:
+        file.write("#include \"header.h\"\n\nvoid generated_test(void)\n{\n\t")
+
+        for _ in range(options["n"]):
+            file.write(generate_printf() + "\n\t")
+
+        file.write("}\n")
diff --git a/header.h b/header.h
index edf761a..094086e 100644
--- a/header.h
+++ b/header.h
@@ -17,6 +17,8 @@ int user_ret;
 char *origin_buf;
 char *user_buf;
 
+void generated_test(void);
+
 int ft_printf(const char *format, ...);
 
 void print_buf_ko(char *msg);
diff --git a/main.c b/main.c
index 5356a9a..2b322c2 100644
--- a/main.c
+++ b/main.c
@@ -56,5 +56,7 @@ int main(int argc, char **argv)
 	test_printf_tester();
 
 	test_printf_tests_test();
+
+	generated_test();
 	return 0;
 }
-- 
cgit