Add back acceptance tests

Signed-off-by: Josh Dolitsky <josh@dolit.ski>

.github/workflows/build-pr.yml

@@ -17,6 +17,10 @@ jobs:
           go-version: '1.16.3'
       - name: run unit tests
         run: make test
+      - name: run acceptance tests
+        run: |
+          export LOCAL_REGISTRY_HOSTNAME="$(hostname -I | awk '{print $1}')"
+          make acceptance
       - name: upload coverage report
         uses: actions/upload-artifact@master
         with:

.github/workflows/build.yml

@@ -16,6 +16,10 @@ jobs:
           go-version: '1.16.3'
       - name: run unit tests
         run: make test
+      - name: run acceptance tests
+        run: |
+          export LOCAL_REGISTRY_HOSTNAME="$(hostname -I | awk '{print $1}')"
+          make acceptance
       - name: upload coverage report
         uses: actions/upload-artifact@master
         with:

Makefile

@@ -9,6 +9,10 @@ test: vendor check-encoding
 covhtml:
 	open .cover/coverage.html
 
+.PHONY: acceptance
+acceptance:
+	./scripts/acceptance.sh
+
 .PHONY: clean
 clean:
 	git status --ignored --short | grep '^!! ' | sed 's/!! //' | xargs rm -rf

scripts/acceptance.sh

@@ -0,0 +1,60 @@
+#!/bin/bash -ex
+
+# Copyright The ORAS Authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+cd $DIR/../
+
+LOCAL_REGISTRY_HOSTNAME="${LOCAL_REGISTRY_HOSTNAME:-localhost}"
+
+# Cleanup from previous runs
+rm -f hello.txt
+rm -f bin/oras-acceptance || true
+docker rm -f oras-acceptance-registry || true
+
+# Build the example into a binary
+CGO_ENABLED=0 go build -v -o bin/oras-acceptance ./examples/
+
+# Run a test registry and expose at localhost:5000
+trap "docker rm -f oras-acceptance-registry" EXIT
+docker run -d -p 5000:5000 \
+  --name oras-acceptance-registry \
+  index.docker.io/registry
+
+# Wait for a connection to port 5000 (timeout after 1 minute)
+WAIT_TIME=0
+while true; do
+  if nc -w 1 -z "${LOCAL_REGISTRY_HOSTNAME}" 5000; then
+    echo "Able to connect to ${LOCAL_REGISTRY_HOSTNAME} port 5000"
+    break
+  else
+    if (( ${WAIT_TIME} >= 60 )); then
+      echo "Timed out waiting for connection to ${LOCAL_REGISTRY_HOSTNAME} on port 5000. Exiting."
+      exit 1
+    fi
+    echo "Waiting to connect to ${LOCAL_REGISTRY_HOSTNAME} on port 5000. Sleeping 5 seconds.."
+    sleep 5
+    WAIT_TIME=$((WAIT_TIME + 5))
+  fi
+done
+
+# Wait another 5 seconds for good measure
+sleep 5
+
+# Run the example binary
+bin/oras-acceptance
+
+# Ensure hello.txt exists and contains expected content
+grep '^Hello World!$' hello.txt