Merge pull request #258 from hjwp/chap-16-js

Update Javascript Chapter to use jasmine

Author: hjwp

chapter_16_javascript.asciidoc

@@ -50,3 +50,8 @@ ignore = [
     "E741",  # single-letter variable
     "PLR2004",  # magic values
 ]
+
+[tool.pyright]
+# these help pyright in neovide to find its way around
+venvPath = "."
+venv = ".venv"

images/editing-html-via-devtools.png

@@ -0,0 +1,68 @@
+#!python
+import re
+import sys
+import time
+from pathlib import Path
+
+from selenium import webdriver
+from selenium.webdriver.common.by import By
+from selenium.webdriver.remote.webelement import WebElement
+
+
+def sub_book_path(text: str) -> str:
+    return re.sub(
+        r"@file://(.+)/superlists/src/",
+        ".../goat-book/src/",
+        text,
+    )
+
+
+def run(path: Path):
+    assert path.exists()
+
+    options = webdriver.FirefoxOptions()
+    options.add_argument("--headless")
+    browser = webdriver.Firefox(options=options)
+    failed = False
+
+    def _el_text(sel, node: webdriver.Remote | WebElement = browser):
+        return "\n".join(el.text for el in node.find_elements(By.CSS_SELECTOR, sel))
+
+    try:
+        browser.get(f"file:///{path}?seed=12345")
+        time.sleep(0.2)
+
+        print(
+            f"{_el_text('.jasmine-overall-result')}\t\t{_el_text('.jasmine-duration')}"
+        )
+
+        print(_el_text(".jasmine-menu.jasmine-failure-list"))
+        for failures_el in browser.find_elements(By.CSS_SELECTOR, ".jasmine-failures"):
+            for spec_failure in failures_el.find_elements(
+                By.CSS_SELECTOR, ".jasmine-spec-detail.jasmine-failed"
+            ):
+                failed = True
+                print()
+                print(_el_text(".jasmine-description", spec_failure))
+                print(_el_text(".jasmine-messages", spec_failure))
+
+        for success_el in browser.find_elements(By.CSS_SELECTOR, ".jasmine-summary"):
+            for suite_el in success_el.find_elements(By.CSS_SELECTOR, ".jasmine-suite"):
+                if suite_el.is_displayed():
+                    print(_el_text("li.jasmine-suite-detail", suite_el))
+                    for spec_el in suite_el.find_elements(
+                        By.CSS_SELECTOR, "ul.jasmine-specs li.jasmine-passed"
+                    ):
+                        print("  * " + spec_el.text)
+
+    finally:
+        browser.quit()
+    return failed
+
+
+if __name__ == "__main__":
+    _, fn, *__ = sys.argv
+    if fn.endswith("Spec.js"):
+        fn = fn.replace("Spec.js", "SpecRunner.html")
+    failed = run(Path(fn).resolve())
+    sys.exit(1 if failed is True else 0)