1 files changed, 131 insertions, 0 deletions
diff --git a/test/test_formatter_json.py b/test/test_formatter_json.py
new file mode 100644
index 0000000..9e995aa
--- /dev/null
+++ b/test/test_formatter_json.py
@@ -0,0 +1,131 @@
+"""Test the codeclimate JSON formatter."""
+from __future__ import annotations
+
+import json
+import pathlib
+import subprocess
+import sys
+
+import pytest
+
+from ansiblelint.errors import MatchError
+from ansiblelint.file_utils import Lintable
+from ansiblelint.formatters import CodeclimateJSONFormatter
+from ansiblelint.rules import AnsibleLintRule
+
+
+class TestCodeclimateJSONFormatter:
+    """Unit test for CodeclimateJSONFormatter."""
+
+    rule = AnsibleLintRule()
+    matches: list[MatchError] = []
+    formatter: CodeclimateJSONFormatter | None = None
+
+    def setup_class(self) -> None:
+        """Set up few MatchError objects."""
+        self.rule = AnsibleLintRule()
+        self.rule.id = "TCF0001"
+        self.rule.severity = "VERY_HIGH"
+        self.matches = []
+        self.matches.append(
+            MatchError(
+                message="message",
+                linenumber=1,
+                details="hello",
+                filename=Lintable("filename.yml", content=""),
+                rule=self.rule,
+            )
+        )
+        self.matches.append(
+            MatchError(
+                message="message",
+                linenumber=2,
+                details="hello",
+                filename=Lintable("filename.yml", content=""),
+                rule=self.rule,
+            )
+        )
+        self.formatter = CodeclimateJSONFormatter(
+            pathlib.Path.cwd(), display_relative_path=True
+        )
+
+    def test_format_list(self) -> None:
+        """Test if the return value is a string."""
+        assert isinstance(self.formatter, CodeclimateJSONFormatter)
+        assert isinstance(self.formatter.format_result(self.matches), str)
+
+    def test_result_is_json(self) -> None:
+        """Test if returned string value is a JSON."""
+        assert isinstance(self.formatter, CodeclimateJSONFormatter)
+        json.loads(self.formatter.format_result(self.matches))
+
+    def test_single_match(self) -> None:
+        """Test negative case. Only lists are allowed. Otherwise a RuntimeError will be raised."""
+        assert isinstance(self.formatter, CodeclimateJSONFormatter)
+        with pytest.raises(RuntimeError):
+            self.formatter.format_result(self.matches[0])  # type: ignore
+
+    def test_result_is_list(self) -> None:
+        """Test if the return JSON contains a list with a length of 2."""
+        assert isinstance(self.formatter, CodeclimateJSONFormatter)
+        result = json.loads(self.formatter.format_result(self.matches))
+        assert len(result) == 2
+
+    def test_validate_codeclimate_schema(self) -> None:
+        """Test if the returned JSON is a valid codeclimate report."""
+        assert isinstance(self.formatter, CodeclimateJSONFormatter)
+        result = json.loads(self.formatter.format_result(self.matches))
+        single_match = result[0]
+        assert "type" in single_match
+        assert single_match["type"] == "issue"
+        assert "check_name" in single_match
+        assert "categories" in single_match
+        assert isinstance(single_match["categories"], list)
+        assert "severity" in single_match
+        assert single_match["severity"] == "blocker"
+        assert "description" in single_match
+        assert "fingerprint" in single_match
+        assert "location" in single_match
+        assert "path" in single_match["location"]
+        assert single_match["location"]["path"] == self.matches[0].filename
+        assert "lines" in single_match["location"]
+        assert single_match["location"]["lines"]["begin"] == self.matches[0].linenumber
+        assert "positions" not in single_match["location"]
+
+    def test_validate_codeclimate_schema_with_positions(self) -> None:
+        """Test if the returned JSON is a valid codeclimate report (containing 'positions' instead of 'lines')."""
+        assert isinstance(self.formatter, CodeclimateJSONFormatter)
+        result = json.loads(
+            self.formatter.format_result(
+                [
+                    MatchError(
+                        message="message",
+                        linenumber=1,
+                        column=42,
+                        details="hello",
+                        filename=Lintable("filename.yml", content=""),
+                        rule=self.rule,
+                    )
+                ]
+            )
+        )
+        assert result[0]["location"]["positions"]["begin"]["line"] == 1
+        assert result[0]["location"]["positions"]["begin"]["column"] == 42
+        assert "lines" not in result[0]["location"]
+
+
+def test_code_climate_parsable_ignored() -> None:
+    """Test that -p option does not alter codeclimate format."""
+    cmd = [
+        sys.executable,
+        "-m",
+        "ansiblelint",
+        "-v",
+        "-p",
+    ]
+    file = "examples/playbooks/empty_playbook.yml"
+    result = subprocess.run([*cmd, file], check=False)
+    result2 = subprocess.run([*cmd, "-p", file], check=False)
+
+    assert result.returncode == result2.returncode
+    assert result.stdout == result2.stdout