Configuration directory mode, closes #731

tests/test_config_dir.py

@@ -0,0 +1,126 @@
+import json
+import pytest
+import sqlite3
+
+from datasette.app import Datasette
+from .fixtures import TestClient
+
+PLUGIN = """
+from datasette import hookimpl
+
+@hookimpl
+def extra_template_vars():
+    print("this is template vars")
+    return {
+        "from_plugin": "hooray"
+    }
+"""
+METADATA = {"title": "This is from metadata"}
+CONFIG = {
+    "default_cache_ttl": 60,
+    "allow_sql": False,
+}
+CSS = """
+body { margin-top: 3em}
+"""
+
+
+@pytest.fixture(scope="session")
+def config_dir_client(tmp_path_factory):
+    config_dir = tmp_path_factory.mktemp("config-dir")
+
+    plugins_dir = config_dir / "plugins"
+    plugins_dir.mkdir()
+    (plugins_dir / "hooray.py").write_text(PLUGIN, "utf-8")
+
+    templates_dir = config_dir / "templates"
+    templates_dir.mkdir()
+    (templates_dir / "row.html").write_text(
+        "Show row here. Plugin says {{ from_plugin }}", "utf-8"
+    )
+
+    static_dir = config_dir / "static"
+    static_dir.mkdir()
+    (static_dir / "hello.css").write_text(CSS, "utf-8")
+
+    (config_dir / "metadata.json").write_text(json.dumps(METADATA), "utf-8")
+    (config_dir / "config.json").write_text(json.dumps(CONFIG), "utf-8")
+
+    for dbname in ("demo.db", "immutable.db"):
+        db = sqlite3.connect(str(config_dir / dbname))
+        db.executescript(
+            """
+        CREATE TABLE cities (
+            id integer primary key,
+            name text
+        );
+        INSERT INTO cities (id, name) VALUES
+            (1, 'San Francisco')
+        ;
+        """
+        )
+
+    # Mark "immutable.db" as immutable
+    (config_dir / "inspect-data.json").write_text(
+        json.dumps(
+            {
+                "immutable": {
+                    "hash": "hash",
+                    "size": 8192,
+                    "file": "immutable.db",
+                    "tables": {"cities": {"count": 1}},
+                }
+            }
+        ),
+        "utf-8",
+    )
+
+    ds = Datasette([], config_dir=config_dir)
+    client = TestClient(ds.app())
+    client.ds = ds
+    yield client
+
+
+def test_metadata(config_dir_client):
+    response = config_dir_client.get("/-/metadata.json")
+    assert 200 == response.status
+    assert METADATA == json.loads(response.text)
+
+
+def test_config(config_dir_client):
+    response = config_dir_client.get("/-/config.json")
+    assert 200 == response.status
+    config = json.loads(response.text)
+    assert 60 == config["default_cache_ttl"]
+    assert not config["allow_sql"]
+
+
+def test_plugins(config_dir_client):
+    response = config_dir_client.get("/-/plugins.json")
+    assert 200 == response.status
+    assert "hooray.py" in {p["name"] for p in json.loads(response.text)}
+
+
+def test_templates_and_plugin(config_dir_client):
+    response = config_dir_client.get("/demo/cities/1")
+    assert 200 == response.status
+    assert "Show row here. Plugin says hooray" == response.text
+
+
+def test_static(config_dir_client):
+    response = config_dir_client.get("/static/hello.css")
+    assert 200 == response.status
+    assert CSS == response.text
+    assert "text/css" == response.headers["content-type"]
+
+
+def test_databases(config_dir_client):
+    response = config_dir_client.get("/-/databases.json")
+    assert 200 == response.status
+    databases = json.loads(response.text)
+    assert 2 == len(databases)
+    databases.sort(key=lambda d: d["name"])
+    assert "demo" == databases[0]["name"]
+    assert databases[0]["is_mutable"]
+    assert "immutable" == databases[1]["name"]
+    assert not databases[1]["is_mutable"]