test/cargo_build_script/BUILD.bazel

"""Tests for the cargo_build_script rule"""

load("//cargo:cargo_build_script.bzl", "cargo_build_script")
load("//rust:defs.bzl", "rust_test")

# Test that tools are built in the exec configuration.
cargo_build_script(
    name = "tools_exec_build_rs",
    srcs = ["build.rs"],
    build_script_env = {"TOOL": "$(execpath :tool)"},
    # Add a flag to test that they're exposed to the build script
    rustc_flags = ["--verbose"],
    tools = [":tool"],
)

genrule(
    name = "tool",
    srcs = [],
    outs = ["tool-file"],
    cmd = "touch $@",
)

rust_test(
    name = "tools_exec",
    srcs = ["tools_exec.rs"],
    deps = [":tools_exec_build_rs"],
)