Add tests.

Author: taus-semmle

python/ql/test/query-tests/Security/CWE-377/InsecureTemporaryFile.expected

@@ -0,0 +1 @@
+| InsecureTemporaryFile.py:4:16:4:23 | ControlFlowNode for mktemp() | Call to deprecated function mktemp may be insecure. |

python/ql/test/query-tests/Security/CWE-377/InsecureTemporaryFile.py

@@ -0,0 +1,7 @@
+from tempfile import mktemp
+
+def write_results(results):
+    filename = mktemp()
+    with open(filename, "w+") as f:
+        f.write(results)
+    print("Results written to", filename)

python/ql/test/query-tests/Security/CWE-377/InsecureTemporaryFile.qlref

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+Security/CWE-377/InsecureTemporaryFile.ql

python/ql/test/query-tests/Security/CWE-377/SecureTemporaryFile.py

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+from tempfile import NamedTemporaryFile
+
+def write_results(results):
+    with NamedTemporaryFile(mode="w+", delete=False) as f:
+        f.write(results)
+    print("Results written to", f.name)