From ca6f01e1cb8261535c952510cb70787ed9a4f88c Mon Sep 17 00:00:00 2001
From: "google-labs-jules[bot]"
 <161369871+google-labs-jules[bot]@users.noreply.github.com>
Date: Sat, 11 Oct 2025 18:20:42 +0000
Subject: [PATCH 1/2] feat: Implement longest_positive_streak function

Adds the `longest_positive_streak` function and accompanying tests.
Includes a GitHub Actions workflow to run tests on push and pull request.
Adds a .gitignore file to exclude python cache files.
---
 .github/workflows/pytest.yml |  20 +++++++
 .gitignore                   | 104 +++++++++++++++++++++++++++++++++++
 streak.py                    |  20 +++++++
 tests/test_streak.py         |  26 +++++++++
 4 files changed, 170 insertions(+)
 create mode 100644 .github/workflows/pytest.yml
 create mode 100644 .gitignore
 create mode 100644 streak.py
 create mode 100644 tests/test_streak.py

diff --git a/.github/workflows/pytest.yml b/.github/workflows/pytest.yml
new file mode 100644
index 0000000..c38944a
--- /dev/null
+++ b/.github/workflows/pytest.yml
@@ -0,0 +1,20 @@
+name: Pytest
+
+on: [push, pull_request]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+    - name: Set up Python
+      uses: actions/setup-python@v2
+      with:
+        python-version: '3.x'
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install pytest
+    - name: Test with pytest
+      run: |
+        pytest
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..ef03987
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,104 @@
+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+
+# PyInstaller
+#  Usually these files are created by a PyInstaller bundle and not checked into
+#  git, but they may be mistakenly added when commands are run outside of a
+#  virtualenv.
+*.manifest
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*.cover
+.hypothesis/
+.pytest_cache/
+
+# Translations
+*.mo
+*.pot
+
+# Django stuff:
+*.log
+local_settings.py
+db.sqlite3
+
+# Flask stuff:
+instance/
+.webassets-cache
+
+# Scrapy stuff:
+.scrapy
+
+# Sphinx documentation
+docs/_build/
+
+# PyBuilder
+target/
+
+# Jupyter Notebook
+.ipynb_checkpoints
+
+# pyenv
+.python-version
+
+# celery beat schedule file
+celerybeat-schedule
+
+# SageMath parsed files
+*.sage.py
+
+# Environments
+.env
+.venv
+env/
+venv/
+ENV/
+env.bak/
+venv.bak/
+
+# Spyder project settings
+.spyderproject
+.spyderworkspace
+
+# Rope project settings
+.ropeproject
+
+# mkdocs documentation
+/site
+
+# mypy
+.mypy_cache/
diff --git a/streak.py b/streak.py
new file mode 100644
index 0000000..7ce9a28
--- /dev/null
+++ b/streak.py
@@ -0,0 +1,20 @@
+def longest_positive_streak(nums: list[int]) -> int:
+    """
+    Returns the length of the longest run of consecutive values strictly greater than 0.
+
+    An empty list returns 0.
+
+    Non-positive numbers (0 or negative) break the streak.
+
+    Must be deterministic and pure: no randomness, prints, or global state.
+    """
+    max_streak = 0
+    current_streak = 0
+    for num in nums:
+        if num > 0:
+            current_streak += 1
+        else:
+            max_streak = max(max_streak, current_streak)
+            current_streak = 0
+    max_streak = max(max_streak, current_streak)
+    return max_streak
diff --git a/tests/test_streak.py b/tests/test_streak.py
new file mode 100644
index 0000000..eb1b093
--- /dev/null
+++ b/tests/test_streak.py
@@ -0,0 +1,26 @@
+import pytest
+from streak import longest_positive_streak
+
+def test_empty_list():
+    assert longest_positive_streak([]) == 0
+
+def test_no_positive_numbers():
+    assert longest_positive_streak([-1, -2, 0]) == 0
+
+def test_single_streak():
+    assert longest_positive_streak([1, 2, 3]) == 3
+
+def test_multiple_streaks():
+    assert longest_positive_streak([1, 2, 0, 1, 2, 3, 0, 1]) == 3
+
+def test_streaks_with_negatives():
+    assert longest_positive_streak([1, 2, -1, 1, 2, 3, -2, 1]) == 3
+
+def test_zeros_breaking_streaks():
+    assert longest_positive_streak([1, 0, 2, 3, 0, 4, 5, 6]) == 3
+
+def test_leading_zeros():
+    assert longest_positive_streak([0, 0, 1, 2, 3]) == 3
+
+def test_trailing_zeros():
+    assert longest_positive_streak([1, 2, 3, 0, 0]) == 3

From 781a43fe45c0fcab31451f59c38d705fc05f5876 Mon Sep 17 00:00:00 2001
From: "google-labs-jules[bot]"
 <161369871+google-labs-jules[bot]@users.noreply.github.com>
Date: Sat, 11 Oct 2025 18:29:00 +0000
Subject: [PATCH 2/2] fix: Update GitHub Actions workflow to set PYTHONPATH

This change ensures that the pytest command can find the `streak` module during the CI run.
---
 .github/workflows/pytest.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/pytest.yml b/.github/workflows/pytest.yml
index c38944a..ea9cc1b 100644
--- a/.github/workflows/pytest.yml
+++ b/.github/workflows/pytest.yml
@@ -17,4 +17,4 @@ jobs:
         pip install pytest
     - name: Test with pytest
       run: |
-        pytest
+        PYTHONPATH=. pytest