Add test scripts

build_and_test.sh

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+#!/bin/sh
+
+set -e
+
+zig build test --summary all
+zig fmt . > /dev/null

build_and_test_docker.sh

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+#!/bin/sh
+
+set -e
+
+IMAGE=zzmq_test_347563478
+
+DOCKER_BUILDKIT=1 docker build . -t $IMAGE -f test.Dockerfile

test.Dockerfile

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+FROM alpine:3.19 as builder
+
+# install Zig 0.11 from Alpine edge repo: https://pkgs.alpinelinux.org/package/edge/testing/x86_64/zig
+RUN echo "@testing https://dl-cdn.alpinelinux.org/alpine/edge/testing" >> /etc/apk/repositories
+RUN apk add --no-cache zig@testing~=0.11.0
+
+# install dependencies (keep in sync with main image below)
+RUN apk add --no-cache czmq-dev@testing
+
+COPY . /build/
+
+WORKDIR /build
+
+RUN zig build test -Doptimize=ReleaseFast --summary all
+
+RUN touch /var/touched # dummy build output
+
+
+
+# empty result image
+FROM scratch
+
+COPY --from=builder /var/touched /tmp/touched