chore: Add docker test runners for local development

.dockerignore

@@ -0,0 +1,8 @@
+.github
+.gitignore
+.gitlab-ci-yml
+.luacheckrc
+.projections.json
+.vintrc
+*Dockerfile
+test/new/env

Makefile

@@ -0,0 +1,25 @@
+PHONY: docker_build docker_test_nvim
+
+RUNFOR ?= nvim
+VIMCMD = $(shell if [ $(RUNFOR) = nvim ]; then echo "nvim --headless"; else echo "vim -T dumb --not-a-term -n"; fi)
+VIMCMD != if [ $(RUNFOR) = nvim ]; then echo "nvim --headless"; else echo "vim -T dumb --not-a-term -n"; fi
+NVIM_VERSION ?= stable
+NVIM_ARCH ?= -linux-x86_64
+VIM_VERSION ?= v9.1.1287
+
+docker_build:
+	docker build --tag 'vim-matchup-nvim-stable' \
+	  --file vim.Dockerfile \
+	  --build-arg NVIM_VERSION=${NVIM_VERSION} \
+	  --build-arg NVIM_ARCH=${NVIM_ARCH} \
+	  --build-arg VIM_VERSION=${VIM_VERSION} \
+	  .
+
+docker_test_old: docker_build
+	docker run --rm -it --pull=never --name nvim vim-matchup-nvim-stable -c 'VIMCMD="${VIMCMD}" test/vader/run'
+
+docker_test_new: docker_build
+	docker run --rm -it --pull=never --name nvim vim-matchup-nvim-stable -c 'cd ./test/new && make -j1 MYVIM="${VIMCMD}"'
+
+docker_test_shell: docker_build
+	docker run --rm -it --pull=never --name nvim vim-matchup-nvim-stable

test/new/Makefile

@@ -5,6 +5,7 @@ COVER = covimerage -q run --append --no-report \
        --source $(CURDIR)/../../plugin
 MYVIM ?= nvim --headless
 MAKEFLAGS += --no-print-directory
+VENV = . env/bin/activate; 
 
 TESTS := $(wildcard test-*)
 
@@ -19,27 +20,24 @@ sysinfo:
 	@echo "**** SYSTEM INFORMATION ****"
 
 $(TESTS): env
-	@. env/bin/activate
-	mkdir -p cov.tmp
-	MYVIM="$(COVER) $(MYVIM)" $(MAKE) -C $@
+	$(VENV) mkdir -p cov.tmp
+	$(VENV) MYVIM="$(COVER) $(MYVIM)" $(MAKE) -C $@
 
 coverage: coverage.xml
 
 cov.tmp/coverage_covimerage: $(wildcard cov.tmp/_*)
-	coverage combine $^
+	$(VENV) coverage combine $^
 
 coverage.xml: env cov.tmp/coverage_covimerage
-	. env/bin/activate
-	coverage report -m
-	coverage html
-	coverage xml
+	$(VENV) coverage report -m
+	$(VENV) coverage html
+	$(VENV) coverage xml
 
 env: env/pyvenv.cfg
 
 env/pyvenv.cfg:
 	python3 -m venv env
-	. env/bin/activate
-	pip install -r requirements.txt
+	$(VENV) pip install -r requirements.txt
 
 ifndef MAKECMDGOALS
 test: sysinfo

vim.Dockerfile

@@ -0,0 +1,45 @@
+FROM debian:latest AS neovim-image
+ARG NVIM_VERSION=stable
+ARG NVIM_ARCH=-linux-x86_64
+ADD --chmod=755 https://github.com/neovim/neovim/releases/download/${NVIM_VERSION}/nvim${NVIM_ARCH}.appimage /nvim-linux-x86_64.appimage
+RUN /nvim-linux-x86_64.appimage --appimage-extract
+
+FROM debian:latest AS vim-image
+ARG VIM_VERSION=v9.1.1287
+ADD --chmod=755 https://github.com/vim/vim-appimage/releases/download/${VIM_VERSION}/Vim-${VIM_VERSION}.glibc2.29-x86_64.AppImage /vim-linux-x86_64.appimage
+RUN /vim-linux-x86_64.appimage --appimage-extract
+
+FROM python:latest AS base
+RUN --mount=target=/var/lib/apt/lists,type=cache,sharing=locked \
+    --mount=target=/var/cache/apt,type=cache,sharing=locked \
+    apt-get update -qq && \
+    apt-get install --no-install-recommends -y \
+      git \
+      ca-certificates \
+      make
+
+FROM base AS test-prep
+WORKDIR /work
+COPY test/new/requirements.txt test/new/requirements.txt
+COPY test/new/Makefile test/new/Makefile
+RUN cd test/new && make env
+RUN mkdir -p test/vader/vader.vim && git clone --depth=1 https://github.com/junegunn/vader.vim.git test/vader/vader.vim
+
+FROM python:latest AS nvim
+
+# nvim
+COPY --from=neovim-image /squashfs-root /nvim-root
+RUN ln -s /nvim-root/AppRun /bin/nvim
+
+# vim
+COPY --from=vim-image /squashfs-root /vim-root
+RUN ln -s /vim-root/AppRun /bin/vim
+
+WORKDIR /work
+ENV HOME=/work
+ENV GIT_PAGER=cat
+
+COPY . .
+COPY --from=test-prep /work/test test
+
+ENTRYPOINT ["bash"]