chore: cache e2e deps (#1023)

Author: confuser

e2e/.dockerignore

@@ -1,6 +1,24 @@
-node_modules
+# Ignore node_modules - dependencies are installed in container
 tests/node_modules
-*.log
+
+# Ignore IDE and editor files
+.idea
+.vscode
+*.swp
+*.swo
+*~
+
+# Ignore OS files
+.DS_Store
+Thumbs.db
+
+# Ignore git
 .git
-platforms/
-*.sh
+.gitignore
+
+# Ignore build artifacts
+tests/dist
+tests/coverage
+
+# Ignore platform-specific files (not needed for test container build)
+platforms

e2e/Dockerfile.tests

@@ -1,13 +1,23 @@
+# syntax=docker/dockerfile:1
 FROM node:22-alpine
 
 WORKDIR /tests
 
 # Install dependencies first for better caching
+# Use BuildKit cache mount to persist npm cache between builds
 COPY tests/package*.json ./
-RUN npm ci
+RUN --mount=type=cache,target=/root/.npm \
+    npm ci
 
 # Copy test source files
 COPY tests/ ./
 
+# Create cache directory for Jest/ts-jest transformations
+# This will be mounted as a cache volume at runtime
+RUN mkdir -p /tmp/jest_cache
+
+# Set Jest cache directory via environment variable
+ENV JEST_CACHE_DIRECTORY=/tmp/jest_cache
+
 # Run tests
 CMD ["npm", "test"]

e2e/platforms/bukkit/docker-compose.yml

@@ -23,6 +23,8 @@ services:
       TYPE: "PAPER"
       VERSION: "1.21.1"
       ONLINE_MODE: "false"
+      # Skip re-downloading server JAR just to verify hash (speeds up cached runs)
+      SKIP_SERVER_JAR_HASH_CHECK: "true"
       ENABLE_RCON: "true"
       RCON_PASSWORD: "testing"
       RCON_PORT: 25575
@@ -77,6 +79,9 @@ services:
       RCON_HOST: paper
       RCON_PORT: 25575
       RCON_PASSWORD: testing
+    volumes:
+      # Cache Jest/ts-jest transformations between runs
+      - jest-cache:/tmp/jest_cache
     networks:
       - banmanager
 
@@ -86,3 +91,4 @@ networks:
 
 volumes:
   paper-data:
+  jest-cache:

e2e/platforms/fabric/docker-compose.yml

@@ -30,6 +30,8 @@ services:
       VERSION: "${MC_VERSION:-1.21.4}"
       FABRIC_LOADER_VERSION: "${FABRIC_LOADER:-0.16.9}"
       ONLINE_MODE: "false"
+      # Skip re-downloading server JAR just to verify hash (speeds up cached runs)
+      SKIP_SERVER_JAR_HASH_CHECK: "true"
       ENABLE_RCON: "true"
       RCON_PASSWORD: "testing"
       RCON_PORT: 25575
@@ -84,6 +86,9 @@ services:
       RCON_PORT: 25575
       RCON_PASSWORD: testing
       MC_VERSION: "${MC_VERSION:-1.21.4}"
+    volumes:
+      # Cache Jest/ts-jest transformations between runs
+      - jest-cache:/tmp/jest_cache
     networks:
       - banmanager
 
@@ -95,3 +100,4 @@ volumes:
   fabric-data-1.20.1:
   fabric-data-1.21.1:
   fabric-data-1.21.4:
+  jest-cache:

e2e/platforms/sponge/docker-compose.yml

@@ -29,6 +29,8 @@ services:
       TYPE: "CUSTOM"
       CUSTOM_SERVER: "https://repo.spongepowered.org/repository/maven-releases/org/spongepowered/spongevanilla/${SPONGEVERSION:-1.20.6-11.0.0}/spongevanilla-${SPONGEVERSION:-1.20.6-11.0.0}-universal.jar"
       ONLINE_MODE: "false"
+      # Skip re-downloading server JAR just to verify hash (speeds up cached runs)
+      SKIP_SERVER_JAR_HASH_CHECK: "true"
       ENABLE_RCON: "true"
       RCON_PASSWORD: "testing"
       RCON_PORT: 25575
@@ -75,6 +77,9 @@ services:
       RCON_PORT: 25575
       RCON_PASSWORD: testing
       MC_VERSION: "${MC_VERSION:-1.20.6}"
+    volumes:
+      # Cache Jest/ts-jest transformations between runs
+      - jest-cache:/tmp/jest_cache
     networks:
       - banmanager
 
@@ -86,3 +91,4 @@ volumes:
   sponge-data-1.20.6:
   sponge-data-1.21.1:
   sponge-data-1.21.3:
+  jest-cache:

e2e/tests/jest.config.js

@@ -7,4 +7,6 @@ module.exports = {
   verbose: true,
   forceExit: true,
   detectOpenHandles: true,
+  // Use custom cache directory if set (for Docker volume caching)
+  cacheDirectory: process.env.JEST_CACHE_DIRECTORY || '/tmp/jest_cache',
 };