chore: run integration tests on pull request

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

@@ -0,0 +1,39 @@
+name: Buildpack Integration Test
+on:
+    workflow_call:
+        inputs:
+            commit-sha: 
+                description: Commit sha of the functions framework to be used
+                type: string
+                required: true
+jobs:
+    go113-buildpack-test:
+        uses: GoogleCloudPlatform/functions-framework-conformance/.github/workflows/buildpack-integration-test.yml@v1.8.4
+        with:
+          http-builder-source: 'testdata/conformance/function'
+          http-builder-target: 'declarativeHTTP'
+          cloudevent-builder-source: 'testdata/conformance/function'
+          cloudevent-builder-target: 'declarativeCloudEvent'
+          prerun: 'testdata/conformance/prerun.sh ${{ inputs.commit-sha }} testdata/conformance/function'
+          builder-runtime: 'go113'
+          builder-runtime-version: '1.13'
+    go116-buildpack-test:
+        uses: GoogleCloudPlatform/functions-framework-conformance/.github/workflows/buildpack-integration-test.yml@v1.8.4
+        with:
+            http-builder-source: 'testdata/conformance/function'
+            http-builder-target: 'declarativeHTTP'
+            cloudevent-builder-source: 'testdata/conformance/function'
+            cloudevent-builder-target: 'declarativeCloudEvent'
+            prerun: 'testdata/conformance/prerun.sh ${{ inputs.commit-sha }} testdata/conformance/function'
+            builder-runtime: 'go116'
+            builder-runtime-version: '1.16'
+    non-declarative-buildpack-test:
+        uses: GoogleCloudPlatform/functions-framework-conformance/.github/workflows/buildpack-integration-test.yml@v1.8.4
+        with:
+            http-builder-source: 'testdata/conformance/nondeclarative'
+            http-builder-target: 'HTTP'
+            cloudevent-builder-source: 'testdata/conformance/nondeclarative'
+            cloudevent-builder-target: 'CloudEvent'
+            prerun: 'testdata/conformance/prerun.sh ${{ inputs.commit-sha }} testdata/conformance/nondeclarative'
+            builder-runtime: 'go116'
+            builder-runtime-version: '1.16'

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

@@ -0,0 +1,20 @@
+
+# Validates Functions Framework with GCF buildpacks.
+name: Buildpack Integration Test Post-Submit
+on:
+  push:
+    branches:
+      - master
+  workflow_dispatch:
+  # Runs every day on 12:00 AM PST
+  schedule:
+    - cron: "0 0 * * *"
+
+# Declare default permissions as read only.
+permissions: read-all
+
+jobs:
+  buildpack-postsubmit-test:
+    uses: ./.github/workflows/re-usable/buildpack-integration-test-base.yml
+    with:
+      commit-sha: ${{ github.sha }}

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

@@ -0,0 +1,14 @@
+
+# Validates Functions Framework with GCF buildpacks.
+name: Buildpack Integration Test Pre-Submit
+on:
+  pull_request:
+
+# Declare default permissions as read only.
+permissions: read-all
+
+jobs:
+  buildpack-presubmit-test:
+    uses: ./.github/workflows/re-usable/buildpack-integration-test-base.yml
+    with:
+      commit-sha: ${{ github.event.pull_request.head.sha }}

testdata/conformance/prerun.sh

@@ -14,16 +14,14 @@ TARGET_DIRECTORY=$2 # relative to repo root
 # exit when any command fails
 set -e
 
-if [ -z "${FRAMEWORK_VERSION}" ]
-    then
-        echo "Functions Framework version required as first parameter"
-        exit 1
+if [ -z "${FRAMEWORK_VERSION}" ]; then
+    echo "Functions Framework version required as first parameter"
+    exit 1
 fi
 
-if [ -z "${TARGET_DIRECTORY}" ]
-    then
-        echo "Target directory required as second parameter"
-        exit 1
+if [ -z "${TARGET_DIRECTORY}" ]; then
+    echo "Target directory required as second parameter"
+    exit 1
 fi
 
 cd $(dirname $0)
@@ -38,8 +36,11 @@ go 1.13
 
 require (
         cloud.google.com/go/functions v1.0.0
-        github.com/GoogleCloudPlatform/functions-framework-go $FRAMEWORK_VERSION
         github.com/cloudevents/sdk-go/v2 v2.6.1
-)" >> $TARGET_DIRECTORY/go.mod
+)" >>$TARGET_DIRECTORY/go.mod
 
-cat $TARGET_DIRECTORY/go.mod
+cd $TARGET_DIRECTORY
+
+go mod edit -require github.com/GoogleCloudPlatform/functions-framework-go@$FRAMEWORK_VERSION
+
+cat go.mod