Add API core tests (#1080)

* added tests for api/core

* ruff

* ruff fixes

* migrate to pytest

* Bump requests from 2.32.3 to 2.32.4 (#1082)

Bumps [requests](https://github.com/psf/requests) from 2.32.3 to 2.32.4.
- [Release notes](https://github.com/psf/requests/releases)
- [Changelog](https://github.com/psf/requests/blob/main/HISTORY.md)
- [Commits](psf/requests@v2.32.3...v2.32.4)

---
updated-dependencies:
- dependency-name: requests
  dependency-version: 2.32.4
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

* Update code

---------

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Arkadii Yakovets <arkadii.yakovets@owasp.org>
Co-authored-by: Arkadii Yakovets <2201626+arkid15r@users.noreply.github.com>

Author: 3 people

tests/api/test_core.py

@@ -0,0 +1,137 @@
+from pathlib import Path
+from unittest.mock import patch, MagicMock, mock_open
+
+import pytest
+from flask import Flask, Request
+from werkzeug.exceptions import NotFound
+
+from nettacker.api.core import (
+    api_key_is_valid,
+    get_file,
+    get_value,
+    graphs,
+    languages_to_country,
+    mime_types,
+    profiles,
+    scan_methods,
+)
+from nettacker.config import Config
+
+
+@pytest.fixture
+def app():
+    app = Flask(__name__)
+    app.config["OWASP_NETTACKER_CONFIG"] = {"api_access_key": "test_key"}
+    return app
+
+
+@pytest.fixture
+def request_():
+    req = MagicMock(spec=Request)
+    req.args = {"key": "test_key"}
+    req.form = {}
+    req.cookies = {}
+    return req
+
+
+def test_get_value(request_):
+    assert get_value(request_, "key") == "test_key"
+    assert get_value(request_, "nonexistent") == ""
+
+
+def test_mime_types():
+    mtypes = mime_types()
+    assert ".html" in mtypes
+    assert mtypes[".html"] == "text/html"
+
+
+@patch("builtins.open", new_callable=mock_open, read_data="test_data")
+def test_get_file_valid(mock_open):
+    Config.path.web_static_dir = Path.cwd()
+    filename = Config.path.web_static_dir / "test.txt"
+    assert get_file(filename) == "test_data"
+
+
+@patch("builtins.open", side_effect=IOError)
+def test_get_file_ioerror(mock_open):
+    Config.path.web_static_dir = Path.cwd()
+    filename = Config.path.web_static_dir / "test.txt"
+    with pytest.raises(NotFound):
+        get_file(filename)
+
+
+@patch("builtins.open", side_effect=ValueError)
+def test_get_file_valueerror(mock_open):
+    Config.path.web_static_dir = Path.cwd()
+    filename = Config.path.web_static_dir / "test.txt"
+    with pytest.raises(NotFound):
+        get_file(filename)
+
+
+def test_get_file_outside_web_static_dir():
+    Config.path.web_static_dir = Path("/safe/dir").resolve()
+    filename = Path("/unauthorized/access.txt").resolve()
+    with pytest.raises(NotFound):
+        get_file(filename)
+
+
+def test_api_key_is_valid(app, request_):
+    with app.test_request_context():
+        api_key_is_valid(app, request_)  # Should not raise
+
+
+def test_api_key_invalid(app, request_):
+    request_.args = {"key": "wrong_key"}
+    with pytest.raises(Exception):
+        api_key_is_valid(app, request_)
+
+
+@patch("nettacker.core.app.Nettacker.load_graphs", return_value=["graph1", "graph2"])
+def test_graphs(mock_graphs):
+    result = graphs()
+    assert '<input id="graph1"' in result
+    assert '<a class="label label-default">graph2</a>' in result
+    assert 'value="graph1"' in result
+    assert 'name="graph_name"' in result
+
+
+@patch("nettacker.core.app.Nettacker.load_graphs", return_value=[])
+def test_graphs_empty(mock_graphs):
+    result = graphs()
+    assert "None</a>" in result
+
+
+@patch(
+    "nettacker.core.app.Nettacker.load_profiles",
+    return_value={"scan": {}, "brute": {}, "custom": {}},
+)
+def test_profiles(mock_profiles):
+    result = profiles()
+    assert "checkbox-scan" in result
+    assert 'label-success">scan</a>' in result
+    assert 'label-warning">brute</a>' in result
+    assert 'label-default">custom</a>' in result
+
+
+@patch(
+    "nettacker.core.app.Nettacker.load_modules",
+    return_value={"ssh_brute": {}, "http_vuln": {}, "tcp_scan": {}, "all": {}},
+)
+def test_scan_methods(mock_methods):
+    result = scan_methods()
+    assert "checkbox-scan-module" in result
+    assert 'label-success">tcp_scan</a>' in result
+    assert "checkbox-brute-module" in result
+    assert 'label-warning">ssh_brute</a>' in result
+    assert "checkbox-vuln-module" in result
+    assert 'label-danger">http_vuln</a>' in result
+    assert "all" not in result
+
+
+@patch("nettacker.core.messages.get_languages", return_value=["en", "fr", "es", "de"])
+def test_languages_to_country(mock_langs):
+    result = languages_to_country()
+    assert "flag-icon-us" in result
+    assert "flag-icon-fr" in result
+    assert '<option selected id="en"' in result
+    assert "flag-icon-es" in result