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53edac1fd7
* Move some daml-script compat tests to sandbox-on-x The new sandbox doesn't accept LF < 1.14, so move those cases to sandbox-on-x. changelog_begin changelog_end * add comment * buildifier
101 lines
3.4 KiB
Python
101 lines
3.4 KiB
Python
# Copyright (c) 2022 Digital Asset (Switzerland) GmbH and/or its affiliates. All rights reserved.
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# SPDX-License-Identifier: Apache-2.0
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load("//bazel_tools/sh:sh.bzl", "sh_inline_test")
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def _escape_args(args):
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return " ".join([
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a.replace("'", "'\\''")
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for a in args
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])
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def client_server_test(
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name,
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runner = "//bazel_tools/client_server/runner_with_port_file",
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runner_args = [],
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runner_files = [],
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runner_files_prefix = "",
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client = None,
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client_args = [],
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client_files = [],
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server = None,
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server_args = [],
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server_files = [],
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server_files_prefix = "",
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data = [],
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**kwargs):
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"""Create a client-server test.
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The rule takes a client and server executables and their
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arguments as parameters. The server port is passed via a
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temporary file, which is passed to the server executable via the
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"--port-file" parameter. This file is parsed and the port number
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is passed to the client application via the "--target-port" argument.
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The server process is killed after the client process exits.
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The client and server executables can be any Bazel target that
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is executable, e.g. scala_binary, sh_binary, etc.
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The client and server files must be valid arguments to rlocation, as
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can be obtained using $(rootpath ...) or $(rootpaths ...). (See
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https://docs.bazel.build/versions/master/be/make-variables.html#predefined_label_variables.)
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Once expanded using rlocation, those are simply appended to client
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and server arguments, respectively.
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Example:
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```bzl
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client_server_test(
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name = "my_test",
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runner_args = [],
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client = ":my_client",
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client_args = ["--extra-argument"],
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client_files = ["$(rootpath :target-for-client)"]
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server = ":my_server",
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server_args = ["--fast"],
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server_files = ["$(rootpath :target-for-client)"]
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)
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```
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"""
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sh_inline_test(
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name = name,
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# Deduplicate in case any of runner, client, server are identical.
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data = depset([runner, client, server]).to_list() + data,
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cmd = """\
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runner=$$(canonicalize_rlocation $$(get_exe $(rootpaths {runner})))
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runner_args="{runner_args}"
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for file in {runner_files}; do
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runner_args+=" {runner_files_prefix}$$(canonicalize_rlocation $$file)"
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done
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client=$$(canonicalize_rlocation $$(get_exe $(rootpaths {client})))
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server=$$(canonicalize_rlocation $$(get_exe $(rootpaths {server})))
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server_args="{server_args}"
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for file in {server_files}; do
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server_args+=" {server_files_prefix}$$(canonicalize_rlocation $$file)"
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done
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client_args="$$@"
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if [ -z "$$client_args" ]; then
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client_args="{client_args}"
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for file in {client_files}; do
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client_args+=" $$(canonicalize_rlocation $$file)"
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done
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fi
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$$runner $$client "$$client_args" $$server "$$server_args" "$$runner_args"
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""".format(
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runner = runner,
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runner_args = _escape_args(runner_args),
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runner_files = _escape_args(runner_files),
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runner_files_prefix = runner_files_prefix,
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client = client,
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client_args = _escape_args(client_args),
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client_files = _escape_args(client_files),
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server = server,
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server_args = _escape_args(server_args),
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server_files = _escape_args(server_files),
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server_files_prefix = server_files_prefix,
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),
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**kwargs
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)
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