feat: Add pytest and initial tests

tests/test_init.py

@@ -0,0 +1,40 @@
+# archivebox init
+# archivebox add
+
+import os
+import subprocess
+from pathlib import Path
+import json
+
+import pytest
+
+@pytest.fixture
+def process(tmp_path):
+    os.chdir(tmp_path)
+    process = subprocess.run(['archivebox', 'init'], capture_output=True)
+    return process
+
+
+def test_init(tmp_path, process):
+    assert "Initializing a new ArchiveBox collection in this folder..." in process.stdout.decode("utf-8")
+    
+def test_update(tmp_path, process):
+    os.chdir(tmp_path)
+    update_process = subprocess.run(['archivebox', 'init'], capture_output=True)
+    assert "Updating existing ArchiveBox collection in this folder" in update_process.stdout.decode("utf-8")
+
+def test_add_link(tmp_path, process):
+    os.chdir(tmp_path)
+    add_process = subprocess.run(['archivebox', 'add', 'http://example.com'], capture_output=True)
+    archived_item_path = list(tmp_path.glob('archive/**/*'))[0]
+
+    assert "index.json" in [x.name for x in archived_item_path.iterdir()]
+
+    with open(archived_item_path / "index.json", "r") as f:
+        output_json = json.load(f)
+    assert "IANA — IANA-managed Reserved Domains" == output_json['history']['title'][0]['output']
+
+    with open(tmp_path / "index.html", "r") as f:
+        output_html = f.read()
+    assert "IANA — IANA-managed Reserved Domains" in output_html
+