Add skylib tests for compile_commands.bzl

MODULE.bazel

@@ -19,6 +19,11 @@ module(name = "rules_codechecker")
 bazel_dep(name = "rules_cc", version = "0.2.3")
 bazel_dep(name = "rules_python", version = "0.38.0")
 
+bazel_dep(
+    name = "bazel_skylib",
+    version = "1.7.1",
+    dev_dependency = True,
+)
 bazel_dep(
     name = "buildifier_prebuilt",
     version = "7.3.1",

test/unit/compile_commands/BUILD

@@ -0,0 +1,230 @@
+# Copyright 2026 Ericsson AB
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+load("@rules_cc//cc:defs.bzl", "cc_library")
+load(
+    ":compile_commands_analysis_test.bzl",
+    "custom_ccinfo",
+    "get_compile_flags_defines_from_impl_deps_test",
+    "get_compile_flags_includes_from_impl_deps_test",
+    "get_compile_flags_local_defines_from_impl_deps_test",
+    "get_compile_flags_no_duplicates_test",
+    "get_compile_flags_quote_includes_from_deps_test",
+    "get_compile_flags_system_includes_from_impl_deps_test",
+    "get_compile_flags_test_suite",
+)
+
+# =============================================================================
+# Analysis tests
+# =============================================================================
+
+# get_compile_flags
+# -----------------
+
+cc_library(
+    name = "compile_flags_tests_with_defines",
+    srcs = ["testdata/foo.cc"],
+    hdrs = ["testdata/foo.h"],
+    defines = ["MY_DEFINE=1"],
+    tags = ["manual"],
+)
+
+# BUG (manual): defines from implementation_deps are not collected.
+cc_library(
+    name = "compile_flags_tests_impl_dep_with_defines",
+    srcs = ["testdata/bar.cc"],
+    hdrs = ["testdata/bar.h"],
+    defines = ["IMPL_DEP_DEFINE=1"],
+    tags = ["manual"],
+)
+
+cc_library(
+    name = "compile_flags_tests_with_impl_dep_defines",
+    srcs = ["testdata/foo.cc"],
+    hdrs = ["testdata/foo.h"],
+    implementation_deps = [":compile_flags_tests_impl_dep_with_defines"],
+    tags = ["manual"],
+)
+
+get_compile_flags_defines_from_impl_deps_test(
+    name = "get_compile_flags_defines_from_impl_deps",
+    tags = ["manual"],
+    target_under_test = ":compile_flags_tests_with_impl_dep_defines",
+)
+
+cc_library(
+    name = "compile_flags_tests_with_local_defines",
+    srcs = ["testdata/foo.cc"],
+    hdrs = ["testdata/foo.h"],
+    local_defines = ["LOCAL_DEF=1"],
+    tags = ["manual"],
+)
+
+# BUG (manual): local_defines from implementation_deps are not collected.
+cc_library(
+    name = "compile_flags_tests_impl_dep_with_local_defines",
+    srcs = ["testdata/bar.cc"],
+    hdrs = ["testdata/bar.h"],
+    local_defines = ["IMPL_DEP_LOCAL_DEF=1"],
+    tags = ["manual"],
+)
+
+cc_library(
+    name = "compile_flags_tests_with_impl_dep_local_defines",
+    srcs = ["testdata/foo.cc"],
+    hdrs = ["testdata/foo.h"],
+    implementation_deps = [":compile_flags_tests_impl_dep_with_local_defines"],
+    tags = ["manual"],
+)
+
+get_compile_flags_local_defines_from_impl_deps_test(
+    name = "get_compile_flags_local_defines_from_impl_deps",
+    tags = ["manual"],
+    target_under_test = ":compile_flags_tests_with_impl_dep_local_defines",
+)
+
+cc_library(
+    name = "compile_flags_tests_with_includes",
+    srcs = ["testdata/foo.cc"],
+    hdrs = ["testdata/foo.h"],
+    includes = ["my/include/path"],
+    tags = ["manual"],
+)
+
+# includes from implementation_deps should be collected.
+cc_library(
+    name = "compile_flags_tests_impl_dep_with_includes",
+    srcs = ["testdata/bar.cc"],
+    hdrs = ["testdata/bar.h"],
+    includes = ["impl_dep/include"],
+    tags = ["manual"],
+)
+
+cc_library(
+    name = "compile_flags_tests_with_impl_dep_includes",
+    srcs = ["testdata/foo.cc"],
+    hdrs = ["testdata/foo.h"],
+    implementation_deps = [":compile_flags_tests_impl_dep_with_includes"],
+    tags = ["manual"],
+)
+
+get_compile_flags_includes_from_impl_deps_test(
+    name = "get_compile_flags_includes_from_impl_deps",
+    target_under_test = ":compile_flags_tests_with_impl_dep_includes",
+)
+
+cc_library(
+    name = "compile_flags_tests_with_copts",
+    srcs = ["testdata/foo.cc"],
+    hdrs = ["testdata/foo.h"],
+    copts = [
+        "-Wall",
+        "-Wextra",
+    ],
+    tags = ["manual"],
+)
+
+cc_library(
+    name = "compile_flags_tests_dep_with_includes",
+    srcs = ["testdata/bar.cc"],
+    hdrs = ["testdata/bar.h"],
+    includes = ["dep/include"],
+    tags = ["manual"],
+)
+
+cc_library(
+    name = "compile_flags_tests_with_dep_includes",
+    srcs = ["testdata/foo.cc"],
+    hdrs = ["testdata/foo.h"],
+    tags = ["manual"],
+    deps = [":compile_flags_tests_dep_with_includes"],
+)
+
+custom_ccinfo(
+    name = "compile_flags_tests_sys_include_provider",
+    system_includes = ["my/sys/include"],
+    tags = ["manual"],
+)
+
+cc_library(
+    name = "compile_flags_tests_with_system_includes",
+    srcs = ["testdata/foo.cc"],
+    hdrs = ["testdata/foo.h"],
+    tags = ["manual"],
+    deps = [":compile_flags_tests_sys_include_provider"],
+)
+
+# system_includes from implementation_deps should be collected.
+custom_ccinfo(
+    name = "compile_flags_tests_impl_dep_sys_include_provider",
+    system_includes = ["impl_dep/sys/include"],
+    tags = ["manual"],
+)
+
+cc_library(
+    name = "compile_flags_tests_with_impl_dep_system_includes",
+    srcs = ["testdata/foo.cc"],
+    hdrs = ["testdata/foo.h"],
+    implementation_deps = [":compile_flags_tests_impl_dep_sys_include_provider"],
+    tags = ["manual"],
+)
+
+get_compile_flags_system_includes_from_impl_deps_test(
+    name = "get_compile_flags_system_includes_from_impl_deps",
+    target_under_test = ":compile_flags_tests_with_impl_dep_system_includes",
+)
+
+custom_ccinfo(
+    name = "compile_flags_tests_quote_include_provider",
+    quote_includes = ["my/quote/include"],
+    tags = ["manual"],
+)
+
+cc_library(
+    name = "compile_flags_tests_with_quote_includes",
+    srcs = ["testdata/foo.cc"],
+    hdrs = ["testdata/foo.h"],
+    tags = ["manual"],
+    deps = [":compile_flags_tests_quote_include_provider"],
+)
+
+# BUG (manual): quote_includes from implementation_deps are not collected.
+custom_ccinfo(
+    name = "compile_flags_tests_dep_quote_include_provider",
+    quote_includes = ["dep/quote/path"],
+    tags = ["manual"],
+)
+
+cc_library(
+    name = "compile_flags_tests_with_dep_quote_includes",
+    srcs = ["testdata/foo.cc"],
+    hdrs = ["testdata/foo.h"],
+    implementation_deps = [":compile_flags_tests_dep_quote_include_provider"],
+    tags = ["manual"],
+)
+
+get_compile_flags_quote_includes_from_deps_test(
+    name = "get_compile_flags_quote_includes_from_deps",
+    tags = ["manual"],
+    target_under_test = ":compile_flags_tests_with_dep_quote_includes",
+)
+
+get_compile_flags_test_suite(name = "compile_flags_tests")
+
+# BUG (manual): compile commands should not contain duplicate flags.
+get_compile_flags_no_duplicates_test(
+    name = "get_compile_flags_no_duplicates",
+    tags = ["manual"],
+    target_under_test = ":compile_flags_tests_with_dep_includes",
+)