Merge pull request #763 from heroku/edmorley-heroku-20-travis

Add Heroku-20 to the Travis test matrix

.travis.yml

@@ -6,6 +6,7 @@ services:
   - docker
 env:
   - TEST=shellcheck
+  - TEST=heroku-20 STACK=heroku-20
   - TEST=heroku-18 STACK=heroku-18
   - TEST=heroku-16 STACK=heroku-16
   - TEST=cedar-14 STACK=cedar-14

CHANGELOG.md

@@ -2,6 +2,7 @@
 
 ## master
 - Update Travis badge to `master` and other changes in README ([#753](https://github.com/heroku/heroku-buildpack-nodejs/pull/753))
+- Add Heroku-20 to the Travis test matrix ([#763](https://github.com/heroku/heroku-buildpack-nodejs/pull/763))
 
 ## v170 (2020-03-31)
 - Bump rake from 12.3.1 to 12.3.3 ([#742](https://github.com/heroku/heroku-buildpack-nodejs/pull/742))

README.md

@@ -77,7 +77,7 @@ heroku buildpacks:set <your-github-url>#your-branch
 ## Tests
 
 The buildpack tests use [Docker](https://www.docker.com/) to simulate
-Heroku's Heroku-16 and Heroku-18 containers.
+Heroku's stacks.
 
 To run the test suite:
 
@@ -88,8 +88,9 @@ make test
 Or to just test a specific stack:
 
 ```
-make test-heroku-16
-make test-heroku-18
+make heroku-16
+make heroku-18
+make heroku-20
 ```
 
 The tests are run via the vendored

makefile

@@ -1,4 +1,4 @@
-test: heroku-18 heroku-16 cedar-14
+test: heroku-20 heroku-18 heroku-16 cedar-14
 
 build:
 	@GOOS=darwin GOARCH=amd64 go build -ldflags="-s -w" -v -o ./lib/vendor/resolve-version-darwin ./cmd/resolve-version
@@ -21,6 +21,11 @@ shellcheck:
 	@shellcheck -x ci-profile/**
 	@shellcheck -x etc/**
 
+heroku-20:
+	@echo "Running tests in docker (heroku-20)..."
+	@docker run -v $(shell pwd):/buildpack:ro --rm -it -e "STACK=heroku-20" heroku/heroku:20 bash -c 'cp -r /buildpack /buildpack_test; cd /buildpack_test/; test/run;'
+	@echo ""
+
 heroku-18:
 	@echo "Running tests in docker (heroku-18)..."
 	@docker run -v $(shell pwd):/buildpack:ro --rm -it -e "STACK=heroku-18" heroku/heroku:18 bash -c 'cp -r /buildpack /buildpack_test; cd /buildpack_test/; test/run;'