Dockerfile.test

FROM python:3.12-slim

# Set working directory
WORKDIR /app

# Install system dependencies
# Python 3.12-slim doesn't have build tools, but we need them for packages like scipy, qlib
RUN apt-get update && apt-get install -y --no-install-recommends \
    gcc \
    g++ \
    cmake \
    python3-dev \
    && rm -rf /var/lib/apt/lists/*

# Upgrade pip
RUN pip install --no-cache-dir --upgrade pip

# Copy dependency files first to utilize Docker layer caching
COPY pyproject.toml README.md README_zh.md ./
COPY quantpits/__init__.py ./quantpits/

# Install test dependencies (this layer is cached if pyproject.toml hasn't changed)
RUN pip install --no-cache-dir -e .[test]

# Copy the rest of the project
# This step is placed AFTER dependency installation so that code changes
# do not invalidate the pip install cache. Local data is excluded via .dockerignore
COPY . .

# Run pytest by default when container starts
CMD ["pytest", "tests", "--cov=quantpits", "--cov-report=term-missing"]