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// Copyright 2016 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 blueprint
import (
"fmt"
"testing"
)
type visitModule struct {
SimpleName
properties struct {
Visit []string
VisitDepsDepthFirst string `blueprint:"mutated"`
VisitDepsDepthFirstIf string `blueprint:"mutated"`
VisitDirectDeps string `blueprint:"mutated"`
VisitDirectDepsIf string `blueprint:"mutated"`
}
}
func newVisitModule() (Module, []interface{}) {
m := &visitModule{}
return m, []interface{}{&m.properties, &m.SimpleName.Properties}
}
func (f *visitModule) GenerateBuildActions(ModuleContext) {
}
type visitTag struct {
BaseDependencyTag
}
var visitTagDep visitTag
func visitDepsMutator(ctx BottomUpMutatorContext) {
if m, ok := ctx.Module().(*visitModule); ok {
ctx.AddDependency(ctx.Module(), visitTagDep, m.properties.Visit...)
}
}
func visitMutator(ctx TopDownMutatorContext) {
if m, ok := ctx.Module().(*visitModule); ok {
ctx.VisitDepsDepthFirst(func(dep Module) {
if ctx.OtherModuleDependencyTag(dep) != visitTagDep {
panic(fmt.Errorf("unexpected dependency tag on %q", ctx.OtherModuleName(dep)))
}
m.properties.VisitDepsDepthFirst = m.properties.VisitDepsDepthFirst + ctx.OtherModuleName(dep)
})
ctx.VisitDepsDepthFirstIf(func(dep Module) bool {
return ctx.OtherModuleName(dep) != "B"
}, func(dep Module) {
m.properties.VisitDepsDepthFirstIf = m.properties.VisitDepsDepthFirstIf + ctx.OtherModuleName(dep)
})
ctx.VisitDirectDeps(func(dep Module) {
m.properties.VisitDirectDeps = m.properties.VisitDirectDeps + ctx.OtherModuleName(dep)
})
ctx.VisitDirectDepsIf(func(dep Module) bool {
return ctx.OtherModuleName(dep) != "B"
}, func(dep Module) {
m.properties.VisitDirectDepsIf = m.properties.VisitDirectDepsIf + ctx.OtherModuleName(dep)
})
}
}
// A
// |
// B
// |\
// C \
// \|
// D
// |
// E
// / \
// \ /
// F
func setupVisitTest(t *testing.T) *Context {
ctx := NewContext()
ctx.RegisterModuleType("visit_module", newVisitModule)
ctx.RegisterBottomUpMutator("visit_deps", visitDepsMutator)
ctx.RegisterTopDownMutator("visit", visitMutator)
ctx.MockFileSystem(map[string][]byte{
"Android.bp": []byte(`
visit_module {
name: "A",
visit: ["B"],
}
visit_module {
name: "B",
visit: ["C", "D"],
}
visit_module {
name: "C",
visit: ["D"],
}
visit_module {
name: "D",
visit: ["E"],
}
visit_module {
name: "E",
visit: ["F", "F"],
}
visit_module {
name: "F",
}
`),
})
_, errs := ctx.ParseBlueprintsFiles("Android.bp", nil)
if len(errs) > 0 {
t.Errorf("unexpected parse errors:")
for _, err := range errs {
t.Errorf(" %s", err)
}
t.FailNow()
}
_, errs = ctx.ResolveDependencies(nil)
if len(errs) > 0 {
t.Errorf("unexpected dep errors:")
for _, err := range errs {
t.Errorf(" %s", err)
}
t.FailNow()
}
return ctx
}
func TestVisit(t *testing.T) {
ctx := setupVisitTest(t)
topModule := ctx.moduleGroupFromName("A", nil).modules.firstModule().logicModule.(*visitModule)
assertString(t, topModule.properties.VisitDepsDepthFirst, "FEDCB")
assertString(t, topModule.properties.VisitDepsDepthFirstIf, "FEDC")
assertString(t, topModule.properties.VisitDirectDeps, "B")
assertString(t, topModule.properties.VisitDirectDepsIf, "")
eModule := ctx.moduleGroupFromName("E", nil).modules.firstModule().logicModule.(*visitModule)
assertString(t, eModule.properties.VisitDepsDepthFirst, "F")
assertString(t, eModule.properties.VisitDepsDepthFirstIf, "F")
assertString(t, eModule.properties.VisitDirectDeps, "FF")
assertString(t, eModule.properties.VisitDirectDepsIf, "FF")
}
func assertString(t *testing.T, got, expected string) {
if got != expected {
t.Errorf("expected %q got %q", expected, got)
}
}