test(unit): avoid dependency on full projects

tests/fixtures/some_imports.ipynb

@@ -0,0 +1,42 @@
+{
+ "cells": [
+  {
+   "cell_type": "code",
+   "execution_count": 2,
+   "id": "9f4924ec-2200-4801-9d49-d4833651cbc4",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "!ls\n",
+    "%timeit\n",
+    "%%timeit\n",
+    "import click\n",
+    "from urllib3 import contrib\n",
+    "import toml\n",
+    "1 +\\\n",
+    "    2"
+   ]
+  }
+ ],
+ "metadata": {
+  "kernelspec": {
+   "display_name": "Python 3 (ipykernel)",
+   "language": "python",
+   "name": "python3"
+  },
+  "language_info": {
+   "codemirror_mode": {
+    "name": "ipython",
+    "version": 3
+   },
+   "file_extension": ".py",
+   "mimetype": "text/x-python",
+   "name": "python",
+   "nbconvert_exporter": "python",
+   "pygments_lexer": "ipython3",
+   "version": "3.9.11"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 5
+}

tests/unit/imports/test_extract.py

@@ -56,7 +56,7 @@ def test_import_parser_py() -> None:
 
 
 def test_import_parser_ipynb() -> None:
-    notebook_path = Path("tests/fixtures/example_project/src/notebook.ipynb")
+    notebook_path = Path("tests/fixtures/some_imports.ipynb")
 
     assert get_imported_modules_from_list_of_files([notebook_path]) == {
         "click": [Location(notebook_path, 4, 8)],

tests/unit/test_utils.py

@@ -2,28 +2,37 @@
 
 from pathlib import Path
 
+import pytest
+
+from deptry.exceptions import PyprojectFileNotFoundError
 from deptry.utils import load_pyproject_toml
+from tests.utils import run_within_dir
+
+
+def test_load_pyproject_toml(tmp_path: Path) -> None:
+    pyproject_toml = """\
+[project]
+name = "foo"
+dependencies = ["bar", "baz>=20.9",]
 
+[dependency-groups]
+dev = ["foobar", "foobaz"]
+"""
+    with run_within_dir(tmp_path):
+        with Path("pyproject.toml").open("w") as f:
+            f.write(pyproject_toml)
 
-def test_load_pyproject_toml() -> None:
-    assert load_pyproject_toml(Path("tests/fixtures/example_project/pyproject.toml")) == {
-        "tool": {
-            "deptry": {"per_rule_ignores": {"DEP002": ["pkginfo"]}},
-            "poetry": {
-                "authors": ["test <test@test.com>"],
-                "dependencies": {
-                    "click": "^8.1.3",
-                    "isort": "^5.10.1",
-                    "pkginfo": "^1.8.3",
-                    "python": ">=3.7,<4.0",
-                    "requests": "^2.28.1",
-                    "toml": "^0.10.2",
-                    "urllib3": "^1.26.12",
-                },
-                "description": "A test project",
-                "dev-dependencies": {"black": "^22.6.0"},
-                "name": "test",
-                "version": "0.0.1",
+        assert load_pyproject_toml(Path("pyproject.toml")) == {
+            "project": {
+                "name": "foo",
+                "dependencies": ["bar", "baz>=20.9"],
+            },
+            "dependency-groups": {
+                "dev": ["foobar", "foobaz"],
             },
         }
-    }
+
+
+def test_load_pyproject_toml_not_found(tmp_path: Path) -> None:
+    with run_within_dir(tmp_path), pytest.raises(PyprojectFileNotFoundError):
+        load_pyproject_toml(Path("non_existing_pyproject.toml"))