Rework input paths parsing, add Windows CI (#8)

Windows CI is very slow but at least it is working now.

Author: stanislaw

.github/workflows/ci-windows.yml

@@ -1,9 +1,10 @@
+# NOTE: In contrast to Linux and macOS, the Windows build machines do not have Chrome installed.
+
 name: "HTML2PDF on Windows"
 
-# FIXME: Disabled until WDM detects Chrome on Windows reliably.
-# on:
-#   pull_request:
-#     branches: [ "**" ]
+on:
+  pull_request:
+    branches: [ "**" ]
 
 jobs:
   build:
@@ -21,6 +22,26 @@ jobs:
       with:
         python-version: ${{ matrix.python-version }}
 
+    - name: Install Google Chrome
+      run: |
+        choco install googlechrome --no-progress -y
+      shell: powershell
+
+    - name: Check Chrome Version
+      run: '& "C:\Program Files\Google\Chrome\Application\chrome.exe" --version'
+      shell: powershell
+
+    - name: Add Chrome to PATH
+      run: |
+        $chromePath = "C:\Program Files\Google\Chrome\Application"
+        echo "Adding $chromePath to PATH"
+        echo "$chromePath" | Out-File -Append -Encoding utf8 $env:GITHUB_PATH
+      shell: powershell
+
+    - name: Verify Chrome Installation
+      run: chrome --version
+      shell: powershell
+
     - name: Upgrade pip
       run: |
         python -m pip install --upgrade pip

hpdf/hpdf.py

@@ -265,8 +265,11 @@ def exit_handler():
         print("html2pdf: exit handler: quitting the ChromeDriver.")  # noqa: T201
         driver.quit()
 
-    for separate_path_pair_ in paths:
-        path_to_input_html, path_to_output_pdf = separate_path_pair_.split(":")
+    assert len(paths) % 2 == 0, f"Expecting an even number of input/output path arguments: {paths}."
+    for current_pair_idx in range(0, 2, len(paths)):
+        path_to_input_html = paths[current_pair_idx]
+        path_to_output_pdf = paths[current_pair_idx + 1]
+
         assert os.path.isfile(path_to_input_html), path_to_input_html
 
         path_to_output_pdf_dir = os.path.dirname(path_to_output_pdf)

tests/integration/01_hello_world/test.itest

@@ -1,4 +1,4 @@
-RUN: %html2pdf %S/index.html:%S/Output/index.pdf
+RUN: %html2pdf %S/index.html %S/Output/index.pdf
 
 RUN: %check_exists --file "%S/Output/index.pdf"
 RUN: python %S/test.py

tests/integration/02_two_pages/test.itest

@@ -1,4 +1,4 @@
-RUN: %html2pdf %S/index.html:%S/Output/index.pdf
+RUN: %html2pdf %S/index.html %S/Output/index.pdf
 
 RUN: %check_exists --file "%S/Output/index.pdf"
 RUN: python %S/test.py

tests/integration/03_cache_dir_argument/test.itest

@@ -1,10 +1,10 @@
-RUN: %html2pdf --cache-dir %S/Output/cache %S/index.html:%S/Output/index.pdf | filecheck %s --dump-input=fail --check-prefix CHECK-RUN1
+RUN: %html2pdf --cache-dir %S/Output/cache %S/index.html %S/Output/index.pdf | filecheck %s --dump-input=fail --check-prefix CHECK-RUN1
 RUN: %check_exists --file "%S/Output/index.pdf"
 RUN: python %S/test.py
 
 CHECK-RUN1: html2pdf: ChromeDriver does not exist in the local cache:
 
-RUN: %html2pdf --cache-dir %S/Output/cache %S/index.html:%S/Output/index.pdf | filecheck %s --dump-input=fail --check-prefix CHECK-RUN2
+RUN: %html2pdf --cache-dir %S/Output/cache %S/index.html %S/Output/index.pdf | filecheck %s --dump-input=fail --check-prefix CHECK-RUN2
 RUN: %check_exists --file "%S/Output/index.pdf"
 RUN: python %S/test.py