Test to check that sector{,imp}list.txt are deduplicated

Tests/testUniqueSectors.py

@@ -0,0 +1,45 @@
+"""
+Created on Jan 12, 2025
+
+@author: CyberiaResurrection
+"""
+import codecs
+import os
+import tempfile
+
+from Tests.baseTest import baseTest
+from pytest_console_scripts import ScriptRunner
+
+
+class testUniqueSectors(baseTest):
+
+    def testSectorListIsUnique(self):
+        fullpath = self.unpack_filename('../PyRoute/unique_sectors.py')
+
+        cases = [
+            ("sectorlist.txt", "../sectorlist.txt"),
+            ("sectorimplist.txt", "../sectorimplist.txt")
+        ]
+
+        for filename, fullname in cases:
+            with self.subTest(filename):
+                outfile = tempfile.NamedTemporaryFile(mode="w", encoding="utf-8")
+                srcfile = os.path.abspath(fullname)
+
+                cwd = os.getcwd()
+                runner = ScriptRunner(launch_mode="subprocess", rootdir=cwd, print_result=False)
+
+                foo = runner.run([fullpath, "--infile", srcfile, "--outfile", outfile.name])
+                self.assertEqual(0, foo.returncode, "unique_sectors did not complete successfully: " + foo.stderr)
+
+                inlines = []
+                with codecs.open(srcfile, 'r', 'utf-8') as infile:
+                    inlines = [line for line in infile]
+
+                outlines = []
+                with codecs.open(outfile.name, 'r', 'utf-8') as outfile:
+                    outlines = [line for line in outfile]
+                outfile.close()
+
+                self.assertEqual(len(outlines), len(inlines), filename + " has at least one duplicate")
+