Run the "bats" tests for deps/rabbit in bazel

BUILD.bats

@@ -0,0 +1,5 @@
+filegroup(
+    name = "bin_dir",
+    srcs = glob(["bin/**/*", "libexec/**/*"]),
+    visibility = ["//visibility:public"],
+)

deps/rabbit/BUILD.bazel

@@ -9,6 +9,7 @@ load(
     "rabbitmq_lib",
     "rabbitmq_suite",
 )
+load(":bats.bzl", "bats")
 
 exports_files([
     "scripts/rabbitmq-defaults",
@@ -205,6 +206,14 @@ rabbitmq_lib(
     deps = DEPS,
 )
 
+bats(
+    srcs = glob(["test/**/*.bats"]),
+    data = glob(
+        ["scripts/*"],
+        exclude = ["scripts/*.bat"],
+    ),
+)
+
 rabbitmq_home(
     name = "broker-for-tests-home",
     testonly = True,

deps/rabbit/bats.bzl

@@ -0,0 +1,36 @@
+def _impl(ctx):
+    script = """set -euo pipefail
+
+external/bats/bin/bats {test_files}
+""".format(
+        package_dir = ctx.label.package,
+        test_files = " ".join([t.short_path for t in ctx.files.srcs]),
+    )
+
+    ctx.actions.write(
+        output = ctx.outputs.executable,
+        content = script,
+    )
+
+    runfiles = ctx.runfiles(ctx.files.bats + ctx.files.srcs + ctx.files.data)
+    return [DefaultInfo(runfiles = runfiles)]
+
+bats_test = rule(
+    implementation = _impl,
+    attrs = {
+        "bats": attr.label(),
+        "srcs": attr.label_list(
+            allow_files = [".bats"],
+            mandatory = True,
+        ),
+        "data": attr.label_list(allow_files = True),
+    },
+    test = True,
+)
+
+def bats(**kwargs):
+    bats_test(
+        name = "bats",
+        bats = "@bats//:bin_dir",
+        **kwargs
+    )

workspace_helpers.bzl

@@ -19,6 +19,13 @@ def rabbitmq_external_deps(rabbitmq_workspace = "@rabbitmq-server"):
         version = "0.5.6",
     )
 
+    new_git_repository(
+        name = "bats",
+        remote = "https://github.com/sstephenson/bats",
+        tag = "v0.4.0",
+        build_file = rabbitmq_workspace + "//:BUILD.bats",
+    )
+
     hex_pm_bazel_erlang_lib(
         name = "cowboy",
         first_srcs = [