ci-hog.yml

# This workflow runs all of our backend django tests.
#
# If these tests get too slow, look at increasing concurrency and re-timing the tests by manually dispatching
# .github/workflows/ci-backend-update-test-timing.yml action
name: Hog CI

on:
    push:
        branches:
            - master
        paths-ignore:
            - rust/**
            - livestream/**
    pull_request:
        paths-ignore:
            - rust/**
            - livestream/**

jobs:
    # Job to decide if we should run backend ci
    # See https://github.com/dorny/paths-filter#conditional-execution for more details
    changes:
        runs-on: ubuntu-latest
        timeout-minutes: 5
        if: github.repository == 'PostHog/posthog'
        name: Determine need to run hog checks
        # Set job outputs to values from filter step
        outputs:
            hog: ${{ steps.filter.outputs.hog }}
        steps:
            # For pull requests it's not necessary to checkout the code, but we
            # also want this to run on master so we need to checkout
            - uses: actions/checkout@v3

            - uses: dorny/paths-filter@v2
              id: filter
              with:
                  filters: |
                      hog:
                        # Avoid running tests for irrelevant changes
                        - 'hogvm/**/*'
                        - 'posthog/hogql/**/*'
                        - 'bin/hog'
                        - 'bin/hoge'
                        - requirements.txt
                        - requirements-dev.txt
                        - .github/workflows/ci-hog.yml

    hog-tests:
        needs: changes
        timeout-minutes: 30

        name: Hog tests
        runs-on: ubuntu-latest

        steps:
            # If this run wasn't initiated by the bot (meaning: snapshot update) and we've determined
            # there are backend changes, cancel previous runs
            - uses: n1hility/cancel-previous-runs@v3
              if: github.actor != 'posthog-bot' && needs.changes.outputs.hog == 'true'
              with:
                  token: ${{ secrets.GITHUB_TOKEN }}

            - uses: actions/checkout@v3
              if: needs.changes.outputs.hog == 'true'
              with:
                  fetch-depth: 1

            - name: Set up Python
              if: needs.changes.outputs.hog == 'true'
              uses: actions/setup-python@v5
              with:
                  python-version: 3.10.10
                  cache: 'pip'
                  cache-dependency-path: '**/requirements*.txt'
                  token: ${{ secrets.POSTHOG_BOT_GITHUB_TOKEN }}

            # uv is a fast pip alternative: https://github.com/astral-sh/uv/
            - run: pip install uv
              if: needs.changes.outputs.hog == 'true'

            - name: Install SAML (python3-saml) dependencies
              if: needs.changes.outputs.hog == 'true'
              run: |
                  sudo apt-get update
                  sudo apt-get install libxml2-dev libxmlsec1 libxmlsec1-dev libxmlsec1-openssl

            - name: Install Python dependencies
              if: needs.changes.outputs.hog == 'true'
              run: |
                  uv pip install --system -r requirements.txt -r requirements-dev.txt

            - name: Install pnpm
              if: needs.changes.outputs.hog == 'true'
              uses: pnpm/action-setup@v4

            - name: Set up Node.js
              if: needs.changes.outputs.hog == 'true'
              uses: actions/setup-node@v4
              with:
                  node-version: 18.12.1

            - name: Check if ANTLR definitions are up to date
              if: needs.changes.outputs.hog == 'true'
              run: |
                  cd ..
                  sudo apt-get install default-jre
                  mkdir antlr
                  cd antlr
                  curl -o antlr.jar https://www.antlr.org/download/antlr-$ANTLR_VERSION-complete.jar
                  export PWD=`pwd`
                  echo '#!/bin/bash' > antlr
                  echo "java -jar $PWD/antlr.jar \$*" >> antlr
                  chmod +x antlr
                  export CLASSPATH=".:$PWD/antlr.jar:$CLASSPATH"
                  export PATH="$PWD:$PATH"

                  cd ../posthog
                  antlr | grep "Version"
                  npm run grammar:build && git diff --exit-code
              env:
                  # Installing a version of ANTLR compatible with what's in Homebrew as of October 2023 (version 4.13),
                  # as apt-get is quite out of date. The same version must be set in hogql_parser/pyproject.toml
                  ANTLR_VERSION: '4.13.1'

            - name: Run HogVM Python tests
              if: needs.changes.outputs.hog == 'true'
              run: |
                  pytest hogvm

            - name: Run HogVM TypeScript tests
              if: needs.changes.outputs.hog == 'true'
              run: |
                  cd hogvm/typescript
                  pnpm install --frozen-lockfile
                  pnpm run test

            - name: Run Hog tests
              if: needs.changes.outputs.hog == 'true'
              run: |
                  cd hogvm/typescript
                  pnpm run build 
                  cd ../
                  ./test.sh && git diff --exit-code