test/lint_tree/BUILD.bazel

load(
    "@rules_rust//rust:defs.bzl",
    "rust_binary",
    "rust_clippy_test",
    "rust_library",
    "rustfmt_test",
)

package(default_visibility = ["//visibility:private"])

rust_library(
    name = "lib2",
    srcs = ["src/lib2.rs"],
    crate_name = "lib2",
    crate_root = "src/lib2.rs",
    edition = "2021",
)

rust_library(
    name = "lib",
    srcs = ["src/lib.rs"],
    crate_name = "lib",
    crate_root = "src/lib.rs",
    edition = "2021",
    deps = [":lib2"],
)

rust_binary(
    name = "app",
    srcs = ["src/main.rs"],
    crate_root = "src/main.rs",
    edition = "2021",
    deps = [":lib"],
)

# Both tests run over just `:app`; the aspect walks its `deps` transitively,
# so `:lib` and `:lib2` are checked as well without being named here.
rust_clippy_test(
    name = "tree_clippy_test",
    targets = [":app"],
    transitive = True,
)

rustfmt_test(
    name = "tree_fmt_test",
    targets = [":app"],
    transitive = True,
)

# Leaf tagged `no_clippy`. The wrapper `deps` on it but does not `use` it —
# Bazel deps don't require a Rust `use`. Proves that the aspect gracefully
# skips a tagged crate while still processing the rest of the tree.
rust_library(
    name = "leaf_no_clippy",
    srcs = ["src/wrapper.rs"],
    crate_name = "leaf_no_clippy",
    crate_root = "src/wrapper.rs",
    edition = "2021",
    tags = ["no_clippy"],
)

rust_library(
    name = "wrapper_over_no_clippy",
    srcs = ["src/wrapper.rs"],
    crate_name = "wrapper_over_no_clippy",
    crate_root = "src/wrapper.rs",
    edition = "2021",
    deps = [":leaf_no_clippy"],
)

rust_clippy_test(
    name = "tree_clippy_test_with_skip",
    targets = [":wrapper_over_no_clippy"],
    transitive = True,
)

# Leaf tagged `no_rustfmt`.
rust_library(
    name = "leaf_no_rustfmt",
    srcs = ["src/wrapper.rs"],
    crate_name = "leaf_no_rustfmt",
    crate_root = "src/wrapper.rs",
    edition = "2021",
    tags = ["no_rustfmt"],
)

rust_library(
    name = "wrapper_over_no_rustfmt",
    srcs = ["src/wrapper.rs"],
    crate_name = "wrapper_over_no_rustfmt",
    crate_root = "src/wrapper.rs",
    edition = "2021",
    deps = [":leaf_no_rustfmt"],
)

rustfmt_test(
    name = "tree_fmt_test_with_skip",
    targets = [":wrapper_over_no_rustfmt"],
    transitive = True,
)

# `transitive = False` variants: only the exact target listed is checked,
# so the leaf crates are ignored even without any skip tags.
rust_clippy_test(
    name = "app_only_clippy_test",
    targets = [":app"],
    transitive = False,
)

rustfmt_test(
    name = "app_only_fmt_test",
    targets = [":app"],
    transitive = False,
)