load("@rules_shell//shell:sh_test.bzl", "sh_test")
load("//rust:defs.bzl", "rust_library", "rust_test", "rust_test_suite")

# This package has a rust_test_suite containing no tests.
# (This could happen if the srcs were selected via a glob).
#
# We test that the test suite exists and is empty, bypassing test_suite's
# special-case behavior for empty suites.

rust_library(
    name = "code",
    srcs = ["src/code.rs"],
    edition = "2018",
)

rust_test(
    name = "unrelated_unittest",
    crate = "code",
    edition = "2018",
)

rust_test(
    name = "unrelated_test",
    srcs = ["src/unrelated_test.rs"],
    edition = "2018",
    deps = [":code"],
)

rust_test_suite(
    name = "suite",
    srcs = [],
    edition = "2018",
)

# This verifies the suite exists, and calculates its contents.
genquery(
    name = "deps",
    expression = "deps(//test/empty_suite:suite, 1) - //test/empty_suite:suite",
    scope = [":suite"],
)

# Test that the suite is empty.
sh_test(
    name = "deps_test",
    srcs = ["verify_empty.sh"],
    args = ["$(location :deps)"],
    data = [":deps"],
)