Add test coverage for concoredocker.py

tests/test_concoredocker.py

@@ -0,0 +1,153 @@
+import os
+
+
+class TestSafeLiteralEval:
+
+    def test_reads_dictionary_from_file(self, temp_dir):
+        test_file = os.path.join(temp_dir, "ports.txt")
+        with open(test_file, "w") as f:
+            f.write("{'a': 1, 'b': 2}")
+
+        from concoredocker import safe_literal_eval
+        result = safe_literal_eval(test_file, {})
+
+        assert result == {'a': 1, 'b': 2}
+
+    def test_reads_list_from_file(self, temp_dir):
+        test_file = os.path.join(temp_dir, "data.txt")
+        with open(test_file, "w") as f:
+            f.write("[1, 2, 3]")
+
+        from concoredocker import safe_literal_eval
+        result = safe_literal_eval(test_file, [])
+
+        assert result == [1, 2, 3]
+
+    def test_returns_default_when_file_missing(self):
+        from concoredocker import safe_literal_eval
+        result = safe_literal_eval("/nonexistent.txt", {'default': True})
+
+        assert result == {'default': True}
+
+    def test_returns_default_for_bad_syntax(self, temp_dir):
+        test_file = os.path.join(temp_dir, "bad.txt")
+        with open(test_file, "w") as f:
+            f.write("not valid {{{")
+
+        from concoredocker import safe_literal_eval
+        result = safe_literal_eval(test_file, "fallback")
+
+        assert result == "fallback"
+
+
+class TestUnchanged:
+
+    def test_returns_true_when_unchanged(self):
+        import concoredocker
+        concoredocker.s = "abc"
+        concoredocker.olds = "abc"
+
+        assert concoredocker.unchanged() == True
+        assert concoredocker.s == ''
+
+    def test_returns_false_when_changed(self):
+        import concoredocker
+        concoredocker.s = "new"
+        concoredocker.olds = "old"
+
+        assert concoredocker.unchanged() == False
+        assert concoredocker.olds == "new"
+
+
+class TestInitval:
+
+    def test_parses_simtime_and_values(self):
+        import concoredocker
+        concoredocker.simtime = 0
+        result = concoredocker.initval("[5.0, 1.0, 2.0]")
+
+        assert result == [1.0, 2.0]
+        assert concoredocker.simtime == 5.0
+
+    def test_parses_single_value(self):
+        import concoredocker
+        concoredocker.simtime = 0
+        result = concoredocker.initval("[10.0, 99]")
+
+        assert result == [99]
+        assert concoredocker.simtime == 10.0
+
+
+class TestWrite:
+
+    def test_writes_list_with_simtime(self, temp_dir):
+        import concoredocker
+        old_outpath = concoredocker.outpath
+        outdir = os.path.join(temp_dir, "1")
+        os.makedirs(outdir)
+        concoredocker.outpath = temp_dir
+        concoredocker.simtime = 5.0
+
+        concoredocker.write(1, "testfile", [1.0, 2.0], delta=0)
+
+        with open(os.path.join(outdir, "testfile")) as f:
+            content = f.read()
+        assert content == "[5.0, 1.0, 2.0]"
+        concoredocker.outpath = old_outpath
+
+    def test_writes_with_delta(self, temp_dir):
+        import concoredocker
+        old_outpath = concoredocker.outpath
+        outdir = os.path.join(temp_dir, "1")
+        os.makedirs(outdir)
+        concoredocker.outpath = temp_dir
+        concoredocker.simtime = 10.0
+
+        concoredocker.write(1, "testfile", [3.0], delta=2)
+
+        with open(os.path.join(outdir, "testfile")) as f:
+            content = f.read()
+        assert content == "[12.0, 3.0]"
+        assert concoredocker.simtime == 12.0
+        concoredocker.outpath = old_outpath
+
+
+class TestRead:
+
+    def test_reads_and_parses_data(self, temp_dir):
+        import concoredocker
+        old_inpath = concoredocker.inpath
+        old_delay = concoredocker.delay
+        indir = os.path.join(temp_dir, "1")
+        os.makedirs(indir)
+        concoredocker.inpath = temp_dir
+        concoredocker.delay = 0.001
+
+        with open(os.path.join(indir, "data"), 'w') as f:
+            f.write("[7.0, 100, 200]")
+
+        concoredocker.s = ''
+        concoredocker.simtime = 0
+        result = concoredocker.read(1, "data", "[0, 0, 0]")
+
+        assert result == [100, 200]
+        assert concoredocker.simtime == 7.0
+        concoredocker.inpath = old_inpath
+        concoredocker.delay = old_delay
+
+    def test_returns_default_when_file_missing(self, temp_dir):
+        import concoredocker
+        old_inpath = concoredocker.inpath
+        old_delay = concoredocker.delay
+        indir = os.path.join(temp_dir, "1")
+        os.makedirs(indir)
+        concoredocker.inpath = temp_dir
+        concoredocker.delay = 0.001
+
+        concoredocker.s = ''
+        concoredocker.simtime = 0
+        result = concoredocker.read(1, "nofile", "[0, 5, 5]")
+
+        assert result == [5, 5]
+        concoredocker.inpath = old_inpath
+        concoredocker.delay = old_delay