Add a way to remove duplicates from Bazel label lists, to e.g. avoid duplicate deps. (2e4219be) · Commits · e / os / android_build_soong

bazel/Android.bp

+1 −0

Original line number	Diff line number	Diff line
		@@ -12,6 +12,7 @@ bootstrap_go_package {
		],
		testSrcs: [
		"aquery_test.go",
		"properties_test.go",
		],
		pluginFor: [
		"soong_build",

bazel/properties.go

+26 −1

Original line number	Diff line number	Diff line
		@@ -14,7 +14,10 @@

		package bazel

		import "fmt"
		import (
		"fmt"
		"sort"
		)

		type bazelModuleProperties struct {
		// The label of the Bazel target replacing this Soong module.
		@@ -66,6 +69,28 @@ func (ll *LabelList) Append(other LabelList) {
		}
		}

		func UniqueBazelLabels(originalLabels []Label) []Label {
		uniqueLabelsSet := make(map[Label]bool)
		for _, l := range originalLabels {
		uniqueLabelsSet[l] = true
		}
		var uniqueLabels []Label
		for l, _ := range uniqueLabelsSet {
		uniqueLabels = append(uniqueLabels, l)
		}
		sort.SliceStable(uniqueLabels, func(i, j int) bool {
		return uniqueLabels[i].Label < uniqueLabels[j].Label
		})
		return uniqueLabels
		}

		func UniqueBazelLabelList(originalLabelList LabelList) LabelList {
		var uniqueLabelList LabelList
		uniqueLabelList.Includes = UniqueBazelLabels(originalLabelList.Includes)
		uniqueLabelList.Excludes = UniqueBazelLabels(originalLabelList.Excludes)
		return uniqueLabelList
		}

		// StringListAttribute corresponds to the string_list Bazel attribute type with
		// support for additional metadata, like configurations.
		type StringListAttribute struct {

bazel/properties_test.go

0 → 100644

+89 −0

Original line number	Diff line number	Diff line
		// Copyright 2021 Google Inc. All rights reserved.
		//
		// 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.

		package bazel

		import (
		"reflect"
		"testing"
		)

		func TestUniqueBazelLabels(t *testing.T) {
		testCases := []struct {
		originalLabels []Label
		expectedUniqueLabels []Label
		}{
		{
		originalLabels: []Label{
		{Label: "a"},
		{Label: "b"},
		{Label: "a"},
		{Label: "c"},
		},
		expectedUniqueLabels: []Label{
		{Label: "a"},
		{Label: "b"},
		{Label: "c"},
		},
		},
		}
		for _, tc := range testCases {
		actualUniqueLabels := UniqueBazelLabels(tc.originalLabels)
		if !reflect.DeepEqual(tc.expectedUniqueLabels, actualUniqueLabels) {
		t.Fatalf("Expected %v, got %v", tc.expectedUniqueLabels, actualUniqueLabels)
		}
		}
		}

		func TestUniqueBazelLabelList(t *testing.T) {
		testCases := []struct {
		originalLabelList LabelList
		expectedUniqueLabelList LabelList
		}{
		{
		originalLabelList: LabelList{
		Includes: []Label{
		{Label: "a"},
		{Label: "b"},
		{Label: "a"},
		{Label: "c"},
		},
		Excludes: []Label{
		{Label: "x"},
		{Label: "x"},
		{Label: "y"},
		{Label: "z"},
		},
		},
		expectedUniqueLabelList: LabelList{
		Includes: []Label{
		{Label: "a"},
		{Label: "b"},
		{Label: "c"},
		},
		Excludes: []Label{
		{Label: "x"},
		{Label: "y"},
		{Label: "z"},
		},
		},
		},
		}
		for _, tc := range testCases {
		actualUniqueLabelList := UniqueBazelLabelList(tc.originalLabelList)
		if !reflect.DeepEqual(tc.expectedUniqueLabelList, actualUniqueLabelList) {
		t.Fatalf("Expected %v, got %v", tc.expectedUniqueLabelList, actualUniqueLabelList)
		}
		}
		}