import json

from scripts.adapters.knip import parse_knip_output


def test_parses_dead_export():
    payload = {
        "issues": [
            {
                "file": "src/foo.ts",
                "exports": [{"name": "unusedExport", "line": 12, "col": 1}],
            }
        ]
    }
    findings = parse_knip_output(json.dumps(payload))
    assert len(findings) == 1
    f = findings[0]
    assert f.tool == "knip"
    assert f.rule_id == "knip:dead-export"
    assert f.severity == "medium"
    assert f.file == "src/foo.ts"
    assert f.line == 12
    assert "unusedExport" in f.message


def test_multiple_exports():
    payload = {
        "issues": [
            {
                "file": "src/foo.ts",
                "exports": [
                    {"name": "exportA", "line": 5, "col": 1},
                    {"name": "exportB", "line": 10, "col": 1},
                ],
            }
        ]
    }
    findings = parse_knip_output(json.dumps(payload))
    assert len(findings) == 2


def test_empty_or_no_issues():
    assert parse_knip_output("") == []
    assert parse_knip_output("{}") == []
    assert parse_knip_output(json.dumps({"issues": []})) == []
    assert parse_knip_output("not json") == []