Import code from archive

tests/.gitignore

@@ -0,0 +1 @@
+workspace

tests/tests.py

@@ -0,0 +1,70 @@
+#!/usr/bin/env python3
+
+from bs4 import BeautifulSoup
+from urllib.parse import urlparse
+from pathlib import Path
+import requests, sys, subprocess, shutil, os
+
+knock = Path("./result/bin/knock")
+
+if not knock.exists():
+    print("error: " + str(knock) + " does not exist", file=sys.stderr)
+    sys.exit()
+
+if len(sys.argv) != 2:
+    print(
+        "error: missing required argument: directory in which to perform the tests",
+        file=sys.stderr,
+    )
+    sys.exit()
+workspace = Path(sys.argv[1])
+
+print("Testing " + str(knock))
+
+result = subprocess.run(knock)
+if result.returncode != 0:
+    print("Test failed: knock failed to describe itself")
+    sys.exit()
+print("---")
+
+html = requests.get(
+    "https://www.adobe.com/solutions/ebook/digital-editions/sample-ebook-library.html"
+).text
+soup = BeautifulSoup(html, "html.parser")
+
+links = []
+for a_tag in soup.find_all("a"):
+    if a_tag.string != "Download eBook":
+        continue
+    if not urlparse(a_tag.get("href")).path.endswith(".acsm"):
+        continue
+
+    links.append(a_tag.get("href"))
+
+    if len(links) >= 10:
+        break
+
+for time in ["first", "second"]:
+
+    if workspace.exists():
+        shutil.rmtree(workspace)
+    workspace.mkdir()
+
+    for i, link in enumerate(links):
+        i = str(i)
+
+        print("Testing URL #" + i + " for the " + time + " time:\n" + link)
+        file = workspace.joinpath(i + ".acsm")
+
+        r = requests.get(link)
+        open(file, "wb").write(r.content)
+
+        result = subprocess.run([knock, file])
+
+        if result.returncode != 0:
+            print("Test failed: knock failed to convert a file")
+            sys.exit()
+
+        print("Success\n---")
+
+print("All tests passed")