added first test cases (#4)

* added first test cases

.github/workflows/tests.yml

@@ -0,0 +1,21 @@
+name: fasterid
+
+on: [push]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: ["3.10", "3.11", "3.12", "3.13"]
+
+    steps:
+      - uses: actions/checkout@v4
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v5
+        with:
+          python-version: ${{ matrix.python-version }}
+      - run: pip install -r requirements_dev.txt
+      - run: pip install -r requirements.txt
+      - run: pytest
+

requirements_dev.txt

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+httpx>=0.27.2
+pytest>=8.3.3
+rdflib>=7.1.1

test/fasterid_test.py

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+from fasterid import app
+from fastapi.testclient import TestClient
+from rdflib import Graph
+
+client = TestClient(app)
+
+def test_basic():
+    response = client.post("/")
+    assert response.status_code == 201
+    assert isinstance(response.json(), dict)
+    assert "@id" in response.json().keys()
+
+def test_multiple():
+    response = client.post("/", json={"number": 5})
+    assert response.status_code == 201
+    assert isinstance(response.json(), list)
+    assert len(response.json()) == 5
+
+def test_content_negotiation():
+    response = client.post("/", headers={'accept': 'application/ld+json'})
+    assert response.status_code == 201
+    assert response.headers["content-type"] == "application/ld+json"
+
+def test_json_ld():
+    response = client.post("/", json={"number": 5}, headers={'accept': 'application/ld+json'})
+    assert response.status_code == 201
+    g = Graph().parse(data=response.content, format="json-ld")
+    assert len(g) == 5