test: Relative links source validation is tested

tests/test_cli.py

@@ -1,4 +1,7 @@
 from argparse import Namespace
+from pathlib import Path
+
+import pytest
 
 from cc2olx.cli import parse_args
 
@@ -58,3 +61,32 @@ def test_parse_args_passport_file(imscc_file, passports_csv):
         output="output",
         relative_links_source=None,
     )
+
+
+def test_parse_args_with_correct_relative_links_source(imscc_file: Path) -> None:
+    """
+    Positive input test for relative links source argument.
+    """
+    relative_links_source = "https://example.com"
+
+    parsed_args = parse_args(["-i", str(imscc_file), "-s", relative_links_source])
+
+    assert parsed_args == Namespace(
+        inputs=[imscc_file],
+        loglevel="INFO",
+        result="folder",
+        link_file=None,
+        passport_file=None,
+        output="output",
+        relative_links_source=relative_links_source,
+    )
+
+
+def test_parse_args_with_incorrect_relative_links_source(imscc_file: Path) -> None:
+    """
+    Test arguments parser detects incorrect relative links sources.
+    """
+    relative_links_source = "ws://example.com",
+
+    with pytest.raises(SystemExit):
+        parse_args(["-i", str(imscc_file), "-s", relative_links_source])

tests/test_validators/test_cli.py

@@ -0,0 +1,49 @@
+import argparse
+
+import pytest
+
+from cc2olx.validators.cli import LinkSourceValidator
+
+
+class TestLinkSourceValidator:
+    """
+    Test link source validator.
+    """
+
+    @pytest.mark.parametrize(
+        "links_source",
+        (
+            "http://example.com",
+            "http://example.com/",
+            "https://example.com",
+            "http://192.168.0.1",
+            "http://192.168.0.1:8000/",
+            "https://[2001:0db8:85a3::8a2e:0370:7334]/",
+        )
+    )
+    def test_original_value_is_returned_if_it_is_valid(self, links_source: str) -> None:
+        """
+        Test whether the validator returns original value it is valid.
+        """
+        assert LinkSourceValidator()(links_source) == links_source
+
+    @pytest.mark.parametrize(
+        "links_source",
+        (
+            "ftp://example.com",
+            "ws://example.com",
+            "just_string",
+            "http://192.168.0.1.9",
+            "http://192.168.0.1:-56",
+            "http://192.999.0.1",
+            "https://m192.168.0.1",
+            "https://2001:0db8:85a3::8a2e:0370:7334/",
+            "https://[2001:db8:85a3::8a2e:0370:7334::]/",
+        )
+    )
+    def test_wrong_values_are_detected(self, links_source) -> None:
+        """
+        Test whether the validator raises an error if the value is invalid.
+        """
+        with pytest.raises(argparse.ArgumentTypeError, match="Enter a valid URL."):
+            LinkSourceValidator()(links_source)