Add end-to-end (e2e) tests

.travis.yml

@@ -24,7 +24,7 @@ before_script:
   - buffalo db create
   - buffalo db migrate up
 script:
-  - make verify test-unit
+  - make verify test-unit test-e2e
 after_success:
   - if [ "${CODE_COV}" == "1" ]; then
       curl -s https://codecov.io/bash -o codecov && bash codecov -X fix;

CONTRIBUTING.md

@@ -6,3 +6,9 @@ as checking that the standard go formatting is applied, linting, etc.
 
 ## Unit Tests
 Run `make test-unit` to run the unit tests.
+
+## End-to-End Tests
+End-to-End tests (e2e) are tests from the user perspective that validate that
+everything works when running real live servers, and using `go` with GOPROXY set.
+
+Run `make test-e2e` to run the end-to-end tests.

Makefile

@@ -30,6 +30,10 @@ test:
 test-unit:
 	./scripts/test_unit.sh
 
+.PHONY: test-e2e
+test-e2e:
+	./scripts/test_e2e.sh
+
 .PHONY: olympus-docker
 olympus-docker:
 	docker build -t gopackages/olympus -f cmd/olympus/Dockerfile .

scripts/test_e2e.sh

@@ -0,0 +1,53 @@
+#!/bin/bash
+
+# test_e2e.sh
+# Execute end-to-end (e2e) tests to verify that everything is working right
+# from the end user perpsective
+set -xeuo pipefail
+
+REPO_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null && pwd )/.."
+
+# Use a version of Go that supports Go Modules
+export GO111MODULES=on
+GOMOD_CACHE=$(go env GOPATH)/src/mod
+GO_SOURCE=${GO_SOURCE:=$(go env GOPATH)/src/golang.org/x/go}
+export GOROOT=${GO_SOURCE}
+export PATH=${GO_SOURCE}/bin:${PATH}
+go version
+
+clearGoModCache () {
+  # The sudo is a necessary workaround until go is fixed
+  sudo rm -fr ${GOMOD_CACHE}
+}
+
+teardown () {
+  # Cleanup after our tests
+  pkill buffalo || true
+  popd 2> /dev/null || true
+}
+trap teardown EXIT
+
+# Start the proxy in the background and wait for it to be ready
+export GO_BINARY_PATH=${GO_SOURCE}/bin/go
+cd $REPO_DIR/cmd/proxy
+pkill buffalo || true # cleanup old buffalos
+buffalo dev &
+while [[ "$(curl -s -o /dev/null -w ''%{http_code}'' localhost:3000)" != "200" ]]; do sleep 5; done
+
+# Clone our test repo
+TEST_SOURCE=${TMPDIR}go-depmgmt-testrepo
+rm -fr ${TEST_SOURCE} 2> /dev/null || true
+git clone https://github.com/carolynvs/go-depmgmt-testrepo.git ${TEST_SOURCE}
+pushd ${TEST_SOURCE}
+
+clearGoModCache
+
+# Make sure that our test repo works without the GOPROXY first
+unset GOPROXY
+go run main.go
+
+clearGoModCache
+
+# Verify that the test works against the proxy
+export GOPROXY=http://localhost:3000
+go run main.go