move function tests

test/test_functions/test_function_barcode.py

@@ -0,0 +1,57 @@
+#!/usr/bin/python
+
+import pytest
+
+import escpos.printer as printer
+from escpos.capabilities import BARCODE_B, Profile
+from escpos.exceptions import BarcodeCodeError, BarcodeTypeError
+
+
+@pytest.mark.parametrize(
+    "bctype,data,expected",
+    [
+        (
+            "EAN13",
+            "4006381333931",
+            b"\x1ba\x01\x1dh@\x1dw\x03\x1df\x00\x1dH\x02\x1dk\x024006381333931\x00",
+        )
+    ],
+)
+def test_barcode(bctype, data, expected):
+    """should generate different barcode types correctly."""
+    instance = printer.Dummy()
+    instance.barcode(data, bctype)
+    assert instance.output == expected
+
+
+@pytest.mark.parametrize(
+    "bctype,supports_b",
+    [
+        ("invalid", True),
+        ("CODE128", False),
+    ],
+)
+def test_lacks_support(bctype, supports_b):
+    """should raise an error if the barcode type is not supported."""
+    profile = Profile(features={BARCODE_B: supports_b})
+    instance = printer.Dummy(profile=profile)
+    with pytest.raises(BarcodeTypeError):
+        instance.barcode("test", bctype)
+
+    assert instance.output == b""
+
+
+@pytest.mark.parametrize(
+    "bctype,data",
+    [
+        ("EAN13", "AA"),
+        ("CODE128", "{D2354AA"),
+    ],
+)
+def test_code_check(bctype, data):
+    """should raise an error if the barcode code is invalid."""
+    instance = printer.Dummy()
+    with pytest.raises(BarcodeCodeError):
+        instance.barcode(data, bctype)
+
+    assert instance.output == b""