chore: add GCF buildpack integration test Workflow (#458)

Author: anniefu

.github/workflows/buildpack-integration-test.yml

@@ -0,0 +1,52 @@
+# Validates Functions Framework with GCF buildpacks.
+name: Buildpack Integration Test
+on:
+  push:
+    branches:
+      - master
+  workflow_dispatch:
+jobs:
+  nodejs10:
+    uses: GoogleCloudPlatform/functions-framework-conformance/.github/workflows/[email protected]
+    with:
+      http-builder-source: 'test/conformance'
+      http-builder-target: 'writeHttpDeclarative'
+      cloudevent-builder-source: 'test/conformance'
+      cloudevent-builder-target: 'writeCloudEventDeclarative'
+      prerun: 'test/conformance/prerun.sh'
+      builder-runtime: 'nodejs10'
+      # Latest uploaded tag from us.gcr.io/fn-img/buildpacks/nodejs10/builder
+      builder-tag: 'nodejs10_20220320_10_24_1_RC00'
+  nodejs12:
+    uses: GoogleCloudPlatform/functions-framework-conformance/.github/workflows/[email protected]
+    with:
+      http-builder-source: 'test/conformance'
+      http-builder-target: 'writeHttpDeclarative'
+      cloudevent-builder-source: 'test/conformance'
+      cloudevent-builder-target: 'writeCloudEventDeclarative'
+      prerun: 'test/conformance/prerun.sh'
+      builder-runtime: 'nodejs12'
+      # Latest uploaded tag from us.gcr.io/fn-img/buildpacks/nodejs12/builder
+      builder-tag: 'nodejs12_20220320_12_22_9_RC00'
+  nodejs14:
+    uses: GoogleCloudPlatform/functions-framework-conformance/.github/workflows/[email protected]
+    with:
+      http-builder-source: 'test/conformance'
+      http-builder-target: 'writeHttpDeclarative'
+      cloudevent-builder-source: 'test/conformance'
+      cloudevent-builder-target: 'writeCloudEventDeclarative'
+      prerun: 'test/conformance/prerun.sh'
+      builder-runtime: 'nodejs14'
+      # Latest uploaded tag from us.gcr.io/fn-img/buildpacks/nodejs16/builder
+      builder-tag: 'nodejs14_20220320_14_18_3_RC00'
+  nodejs16:
+    uses: GoogleCloudPlatform/functions-framework-conformance/.github/workflows/[email protected]
+    with:
+      http-builder-source: 'test/conformance'
+      http-builder-target: 'writeHttpDeclarative'
+      cloudevent-builder-source: 'test/conformance'
+      cloudevent-builder-target: 'writeCloudEventDeclarative'
+      prerun: 'test/conformance/prerun.sh'
+      builder-runtime: 'nodejs16'
+      # Latest uploaded tag from us.gcr.io/fn-img/buildpacks/nodejs16/builder
+      builder-tag: 'nodejs16_20220320_16_13_2_RC00'

test/conformance/.gitignore

@@ -0,0 +1,2 @@
+# Generated by prerun.sh for buildpack integration test
+google-cloud-functions-framework-0.0.0.tgz

test/conformance/prerun.sh

@@ -0,0 +1,21 @@
+# prerun.sh sets up the test function to use the functions framework commit
+# specified by generating a `package.json`. This makes the function `pack` buildable
+# with GCF buildpacks.
+#
+# `pack` command example:
+# pack build test-fast --builder us.gcr.io/fn-img/buildpacks/nodejs16/builder:nodejs16_20220320_16_13_2_RC00 --env GOOGLE_RUNTIME=nodejs16 --env GOOGLE_FUNCTION_TARGET=writeHttpDeclarativ
+set -e
+
+SCRIPT_DIR=$(dirname $0)
+REPO_ROOT=$SCRIPT_DIR/../..
+
+cd $REPO_ROOT
+
+npm install gts
+npm version 0.0.0 --allow-same-version --no-git-tag-version # fake a deterministic version for testing
+npm pack --pack-destination $SCRIPT_DIR
+
+cd $SCRIPT_DIR
+
+npm install google-cloud-functions-framework-0.0.0.tgz
+cat package.json