tequilaOS/platform_build_blueprint
2
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Merge pull request #128 from colincross/name

Browse source 
Modify module name handling
This commit is contained in:
colincross 2016-10-12 13:47:21 -07:00 committed by GitHub
commit 52798022db
5 changed files with 254 additions and 102 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

16
bootstrap/bootstrap.go
View file

@ -192,7 +192,9 @@ func isBootstrapBinaryModule(module blueprint.Module) bool {
// A goPackage is a module for building Go packages.
type goPackage struct {
blueprint.SimpleName
properties struct {
Deps []string
PkgPath string
Srcs []string
TestSrcs []string
@ -224,10 +226,14 @@ func newGoPackageModuleFactory(config *Config) func() (blueprint.Module, []inter
config: config,
}
module.properties.BuildStage = StageMain
return module, []interface{}{&module.properties}
return module, []interface{}{&module.properties, &module.SimpleName.Properties}
}
}
func (g *goPackage) DynamicDependencies(ctx blueprint.DynamicDependerModuleContext) []string {
return g.properties.Deps
}
func (g *goPackage) GoPkgPath() string {
return g.properties.PkgPath
}
@ -314,7 +320,9 @@ func (g *goPackage) GenerateBuildActions(ctx blueprint.ModuleContext) {
// A goBinary is a module for building executable binaries from Go sources.
type goBinary struct {
blueprint.SimpleName
properties struct {
Deps []string
Srcs []string
TestSrcs []string
PrimaryBuilder bool
@ -336,10 +344,14 @@ func newGoBinaryModuleFactory(config *Config, buildStage Stage) func() (blueprin
config: config,
}
module.properties.BuildStage = buildStage
return module, []interface{}{&module.properties}
return module, []interface{}{&module.properties, &module.SimpleName.Properties}
}
}
func (g *goBinary) DynamicDependencies(ctx blueprint.DynamicDependerModuleContext) []string {
return g.properties.Deps
}
func (g *goBinary) GoTestTarget() string {
return g.testArchiveFile
}

232
context.go
View file

@ -65,7 +65,8 @@ const maxErrors = 10
type Context struct {
// set at instantiation
moduleFactories map[string]ModuleFactory
moduleGroups map[string]*moduleGroup
moduleNames map[string]*moduleGroup
moduleGroups []*moduleGroup
moduleInfo map[Module]*moduleInfo
modulesSorted []*moduleInfo
singletonInfo []*singletonInfo
@ -100,6 +101,10 @@ type Context struct {
// set lazily by sortedModuleNames
cachedSortedModuleNames []string
// List of pending renames and replacements to apply after the mutator pass
renames []rename
replacements []replace
fs fileSystem
}
@ -155,10 +160,6 @@ type moduleInfo struct {
relBlueprintsFile string
pos scanner.Position
propertyPos map[string]scanner.Position
properties struct {
Name string
Deps []string
}
variantName string
variant variationMap
@ -191,8 +192,12 @@ type depInfo struct {
tag DependencyTag
}
func (module *moduleInfo) Name() string {
return module.group.name
}
func (module *moduleInfo) String() string {
s := fmt.Sprintf("module %q", module.properties.Name)
s := fmt.Sprintf("module %q", module.Name())
if module.variantName != "" {
s += fmt.Sprintf(" variant %q", module.variantName)
}
@ -262,7 +267,7 @@ type mutatorInfo struct {
func NewContext() *Context {
ctx := &Context{
moduleFactories: make(map[string]ModuleFactory),
moduleGroups: make(map[string]*moduleGroup),
moduleNames: make(map[string]*moduleGroup),
moduleInfo: make(map[Module]*moduleInfo),
moduleNinjaNames: make(map[string]*moduleGroup),
fs: fs,
@ -975,15 +980,10 @@ func (c *Context) cloneLogicModule(origModule *moduleInfo) (Module, []interface{
panic(fmt.Sprintf("unrecognized module type %q during cloning", typeName))
}
props := []interface{}{
&origModule.properties,
}
newLogicModule, newProperties := factory()
newProperties = append(props, newProperties...)
if len(newProperties) != len(origModule.moduleProperties) {
panic("mismatched properties array length in " + origModule.properties.Name)
panic("mismatched properties array length in " + origModule.Name())
}
for i := range newProperties {
@ -1001,7 +1001,7 @@ func (c *Context) createVariations(origModule *moduleInfo, mutatorName string,
if len(variationNames) == 0 {
panic(fmt.Errorf("mutator %q passed zero-length variation list for module %q",
mutatorName, origModule.properties.Name))
mutatorName, origModule.Name()))
}
newModules := []*moduleInfo{}
@ -1073,7 +1073,7 @@ func (c *Context) convertDepsToVariation(module *moduleInfo,
if newDep == nil {
errs = append(errs, &BlueprintError{
Err: fmt.Errorf("failed to find variation %q for module %q needed by %q",
variationName, dep.module.properties.Name, module.properties.Name),
variationName, dep.module.Name(), module.Name()),
Pos: module.pos,
})
continue
@ -1121,10 +1121,6 @@ func (c *Context) processModuleDef(moduleDef *parser.Module,
relBlueprintsFile: relBlueprintsFile,
}
props := []interface{}{
&module.properties,
}
properties = append(props, properties...)
module.moduleProperties = properties
propertyMap, errs := unpackProperties(moduleDef.Properties, properties...)
@ -1142,10 +1138,10 @@ func (c *Context) processModuleDef(moduleDef *parser.Module,
}
func (c *Context) addModule(module *moduleInfo) []error {
name := module.properties.Name
name := module.logicModule.Name()
c.moduleInfo[module.logicModule] = module
if group, present := c.moduleGroups[name]; present {
if group, present := c.moduleNames[name]; present {
return []error{
&BlueprintError{
Err: fmt.Errorf("module %q already defined", name),
@ -1156,24 +1152,25 @@ func (c *Context) addModule(module *moduleInfo) []error {
Pos: group.modules[0].pos,
},
}
} else {
ninjaName := toNinjaName(module.properties.Name)
}
ninjaName := toNinjaName(name)
// The sanitizing in toNinjaName can result in collisions, uniquify the name if it
// already exists
for i := 0; c.moduleNinjaNames[ninjaName] != nil; i++ {
ninjaName = toNinjaName(module.properties.Name) + strconv.Itoa(i)
ninjaName = toNinjaName(name) + strconv.Itoa(i)
}
group := &moduleGroup{
name: module.properties.Name,
name: name,
ninjaName: ninjaName,
modules: []*moduleInfo{module},
}
module.group = group
c.moduleGroups[name] = group
c.moduleNames[name] = group
c.moduleNinjaNames[ninjaName] = group
}
c.moduleGroups = append(c.moduleGroups, group)
return nil
}
@ -1201,13 +1198,9 @@ func (c *Context) ResolveDependencies(config interface{}) []error {
// Default dependencies handling. If the module implements the (deprecated)
// DynamicDependerModule interface then this set consists of the union of those
// module names listed in its "deps" property, those returned by its
// DynamicDependencies method, and those added by calling AddDependencies or
// AddVariationDependencies on DynamicDependencyModuleContext. Otherwise it
// is simply those names listed in its "deps" property.
// module names returned by its DynamicDependencies method and those added by calling
// AddDependencies or AddVariationDependencies on DynamicDependencyModuleContext.
func blueprintDepsMutator(ctx BottomUpMutatorContext) {
ctx.AddDependency(ctx.Module(), nil, ctx.moduleInfo().properties.Deps...)
if dynamicDepender, ok := ctx.Module().(DynamicDependerModule); ok {
func() {
defer func() {
@ -1228,11 +1221,11 @@ func blueprintDepsMutator(ctx BottomUpMutatorContext) {
// findMatchingVariant searches the moduleGroup for a module with the same variant as module,
// and returns the matching module, or nil if one is not found.
func (c *Context) findMatchingVariant(module *moduleInfo, group *moduleGroup) *moduleInfo {
if len(group.modules) == 1 {
return group.modules[0]
func (c *Context) findMatchingVariant(module *moduleInfo, possible []*moduleInfo) *moduleInfo {
if len(possible) == 1 {
return possible[0]
} else {
for _, m := range group.modules {
for _, m := range possible {
if m.variant.equal(module.dependencyVariant) {
return m
}
@ -1243,27 +1236,27 @@ func (c *Context) findMatchingVariant(module *moduleInfo, group *moduleGroup) *m
}
func (c *Context) addDependency(module *moduleInfo, tag DependencyTag, depName string) []error {
if depName == module.properties.Name {
if depName == module.Name() {
return []error{&BlueprintError{
Err: fmt.Errorf("%q depends on itself", depName),
Pos: module.pos,
}}
}
depGroup, ok := c.moduleGroups[depName]
if !ok {
possibleDeps := c.modulesFromName(depName)
if possibleDeps == nil {
if c.allowMissingDependencies {
module.missingDeps = append(module.missingDeps, depName)
return nil
}
return []error{&BlueprintError{
Err: fmt.Errorf("%q depends on undefined module %q",
module.properties.Name, depName),
module.Name(), depName),
Pos: module.pos,
}}
}
if m := c.findMatchingVariant(module, depGroup); m != nil {
if m := c.findMatchingVariant(module, possibleDeps); m != nil {
for _, dep := range module.directDeps {
if m == dep.module {
// TODO(ccross): what if adding a dependency with a different tag?
@ -1277,36 +1270,36 @@ func (c *Context) addDependency(module *moduleInfo, tag DependencyTag, depName s
return []error{&BlueprintError{
Err: fmt.Errorf("dependency %q of %q missing variant %q",
depGroup.modules[0].properties.Name, module.properties.Name,
depName, module.Name(),
c.prettyPrintVariant(module.dependencyVariant)),
Pos: module.pos,
}}
}
func (c *Context) findReverseDependency(module *moduleInfo, destName string) (*moduleInfo, []error) {
if destName == module.properties.Name {
if destName == module.Name() {
return nil, []error{&BlueprintError{
Err: fmt.Errorf("%q depends on itself", destName),
Pos: module.pos,
}}
}
destInfo, ok := c.moduleGroups[destName]
if !ok {
possibleDeps := c.modulesFromName(destName)
if possibleDeps == nil {
return nil, []error{&BlueprintError{
Err: fmt.Errorf("%q has a reverse dependency on undefined module %q",
module.properties.Name, destName),
module.Name(), destName),
Pos: module.pos,
}}
}
if m := c.findMatchingVariant(module, destInfo); m != nil {
if m := c.findMatchingVariant(module, possibleDeps); m != nil {
return m, nil
}
return nil, []error{&BlueprintError{
Err: fmt.Errorf("reverse dependency %q of %q missing variant %q",
destName, module.properties.Name,
destName, module.Name(),
c.prettyPrintVariant(module.dependencyVariant)),
Pos: module.pos,
}}
@ -1315,15 +1308,15 @@ func (c *Context) findReverseDependency(module *moduleInfo, destName string) (*m
func (c *Context) addVariationDependency(module *moduleInfo, variations []Variation,
tag DependencyTag, depName string, far bool) []error {
depGroup, ok := c.moduleGroups[depName]
if !ok {
possibleDeps := c.modulesFromName(depName)
if possibleDeps == nil {
if c.allowMissingDependencies {
module.missingDeps = append(module.missingDeps, depName)
return nil
}
return []error{&BlueprintError{
Err: fmt.Errorf("%q depends on undefined module %q",
module.properties.Name, depName),
module.Name(), depName),
Pos: module.pos,
}}
}
@ -1341,7 +1334,7 @@ func (c *Context) addVariationDependency(module *moduleInfo, variations []Variat
newVariant[v.Mutator] = v.Variation
}
for _, m := range depGroup.modules {
for _, m := range possibleDeps {
var found bool
if far {
found = m.variant.subset(newVariant)
@ -1358,7 +1351,7 @@ func (c *Context) addVariationDependency(module *moduleInfo, variations []Variat
// AddVariationDependency allows adding a dependency on itself, but only if
// that module is earlier in the module list than this one, since we always
// run GenerateBuildActions in order for the variants of a module
if depGroup == module.group && beforeInModuleList(module, m, module.group.modules) {
if m.group == module.group && beforeInModuleList(module, m, module.group.modules) {
return []error{&BlueprintError{
Err: fmt.Errorf("%q depends on later version of itself", depName),
Pos: module.pos,
@ -1372,7 +1365,7 @@ func (c *Context) addVariationDependency(module *moduleInfo, variations []Variat
return []error{&BlueprintError{
Err: fmt.Errorf("dependency %q of %q missing variant %q",
depGroup.modules[0].properties.Name, module.properties.Name,
depName, module.Name(),
c.prettyPrintVariant(newVariant)),
Pos: module.pos,
}}
@ -1389,14 +1382,14 @@ func (c *Context) addInterVariantDependency(origModule *moduleInfo, tag Dependen
if m.logicModule == to {
toInfo = m
if fromInfo != nil {
panic(fmt.Errorf("%q depends on later version of itself", origModule.properties.Name))
panic(fmt.Errorf("%q depends on later version of itself", origModule.Name()))
}
}
}
if fromInfo == nil || toInfo == nil {
panic(fmt.Errorf("AddInterVariantDependency called for module %q on invalid variant",
origModule.properties.Name))
origModule.Name()))
}
fromInfo.directDeps = append(fromInfo.directDeps, depInfo{toInfo, tag})
@ -1530,8 +1523,8 @@ func (c *Context) updateDependencies() (errs []error) {
nextModule := cycle[i]
errs = append(errs, &BlueprintError{
Err: fmt.Errorf(" %q depends on %q",
curModule.properties.Name,
nextModule.properties.Name),
curModule.Name(),
nextModule.Name()),
Pos: curModule.pos,
})
curModule = nextModule
@ -1761,6 +1754,8 @@ func (c *Context) runMutator(config interface{}, mutator *mutatorInfo,
done := make(chan bool)
c.depsModified = 0
c.renames = nil
c.replacements = nil
visit := func(module *moduleInfo) bool {
if module.splitModules != nil {
@ -1866,6 +1861,11 @@ func (c *Context) runMutator(config interface{}, mutator *mutatorInfo,
c.depsModified++
}
errs = c.handleRenamesAndReplacements()
if len(errs) > 0 {
return errs
}
if c.depsModified > 0 {
errs = c.updateDependencies()
if len(errs) > 0 {
@ -1998,7 +1998,7 @@ func (c *Context) generateModuleBuildActions(config interface{},
for _, depName := range module.missingDeps {
errs = append(errs, &BlueprintError{
Err: fmt.Errorf("%q depends on undefined module %q",
module.properties.Name, depName),
module.Name(), depName),
Pos: module.pos,
})
}
@ -2155,12 +2155,96 @@ func (c *Context) walkDeps(topModule *moduleInfo,
walk(topModule)
}
type innerPanicError error
type replace struct {
from, to *moduleInfo
}
type rename struct {
group *moduleGroup
name string
}
func (c *Context) rename(group *moduleGroup, name string) {
c.renames = append(c.renames, rename{group, name})
}
func (c *Context) replaceDependencies(module *moduleInfo, name string) {
targets := c.modulesFromName(name)
if targets == nil {
panic(fmt.Errorf("ReplaceDependencies called with non-existant name %q", name))
}
var target *moduleInfo
for _, m := range targets {
if module.variantName == m.variantName {
target = m
break
}
}
if target == nil {
panic(fmt.Errorf("ReplaceDependencies could not find identical variant %q for module %q",
module.variantName, name))
}
c.replacements = append(c.replacements, replace{target, module})
}
func (c *Context) handleRenamesAndReplacements() []error {
var errs []error
for _, rename := range c.renames {
group, name := rename.group, rename.name
if name == group.name {
continue
}
existing := c.moduleNames[name]
if existing != nil {
errs = append(errs,
&BlueprintError{
Err: fmt.Errorf("renaming module %q to %q conflicts with existing module",
group.name, name),
Pos: group.modules[0].pos,
},
&BlueprintError{
Err: fmt.Errorf("<-- existing module defined here"),
Pos: existing.modules[0].pos,
},
)
continue
}
c.moduleNames[name] = group
delete(c.moduleNames, group.name)
group.name = name
}
for _, replace := range c.replacements {
for _, m := range replace.from.reverseDeps {
for i, d := range m.directDeps {
if d.module == replace.from {
m.directDeps[i].module = replace.to
}
}
}
atomic.AddUint32(&c.depsModified, 1)
}
return errs
}
func (c *Context) modulesFromName(name string) []*moduleInfo {
if group := c.moduleNames[name]; group != nil {
return group.modules
}
return nil
}
func (c *Context) sortedModuleNames() []string {
if c.cachedSortedModuleNames == nil {
c.cachedSortedModuleNames = make([]string, 0, len(c.moduleGroups))
for moduleName := range c.moduleGroups {
c.cachedSortedModuleNames = make([]string, 0, len(c.moduleNames))
for moduleName := range c.moduleNames {
c.cachedSortedModuleNames = append(c.cachedSortedModuleNames,
moduleName)
}
@ -2181,8 +2265,8 @@ func (c *Context) visitAllModules(visit func(Module)) {
}()
for _, moduleName := range c.sortedModuleNames() {
group := c.moduleGroups[moduleName]
for _, module = range group.modules {
modules := c.modulesFromName(moduleName)
for _, module = range modules {
visit(module.logicModule)
}
}
@ -2201,8 +2285,8 @@ func (c *Context) visitAllModulesIf(pred func(Module) bool,
}()
for _, moduleName := range c.sortedModuleNames() {
group := c.moduleGroups[moduleName]
for _, module := range group.modules {
modules := c.modulesFromName(moduleName)
for _, module := range modules {
if pred(module.logicModule) {
visit(module.logicModule)
}
@ -2440,7 +2524,7 @@ func (c *Context) ModuleTypePropertyStructs() map[string][]interface{} {
func (c *Context) ModuleName(logicModule Module) string {
module := c.moduleInfo[logicModule]
return module.properties.Name
return module.Name()
}
func (c *Context) ModuleDir(logicModule Module) string {
@ -2817,8 +2901,8 @@ func (s depSorter) Len() int {
}
func (s depSorter) Less(i, j int) bool {
iName := s[i].module.properties.Name
jName := s[j].module.properties.Name
iName := s[i].module.Name()
jName := s[j].module.Name()
if iName == jName {
iName = s[i].module.variantName
jName = s[j].module.variantName
@ -2837,8 +2921,8 @@ func (s moduleSorter) Len() int {
}
func (s moduleSorter) Less(i, j int) bool {
iName := s[i].properties.Name
jName := s[j].properties.Name
iName := s[i].Name()
jName := s[j].Name()
if iName == jName {
iName = s[i].variantName
jName = s[j].variantName
@ -2885,7 +2969,7 @@ func (c *Context) writeAllModuleActions(nw *ninjaWriter) error {
factoryName := factoryFunc.Name()
infoMap := map[string]interface{}{
"properties": module.properties,
"name": module.Name(),
"typeName": module.typeName,
"goFactory": factoryName,
"pos": relPos,
@ -3098,7 +3182,7 @@ they were generated by the following Go packages:
`
var moduleHeaderTemplate = `# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
Module: {{.properties.Name}}
Module: {{.name}}
Variant: {{.variant}}
Type: {{.typeName}}
Factory: {{.goFactory}}

18
context_test.go
View file

@ -24,19 +24,25 @@ type Walker interface {
}
type fooModule struct {
SimpleName
properties struct {
Deps []string
Foo string
}
}
func newFooModule() (Module, []interface{}) {
m := &fooModule{}
return m, []interface{}{&m.properties}
return m, []interface{}{&m.properties, &m.SimpleName.Properties}
}
func (f *fooModule) GenerateBuildActions(ModuleContext) {
}
func (f *fooModule) DynamicDependencies(ctx DynamicDependerModuleContext) []string {
return f.properties.Deps
}
func (f *fooModule) Foo() string {
return f.properties.Foo
}
@ -46,14 +52,20 @@ func (f *fooModule) Walk() bool {
}
type barModule struct {
SimpleName
properties struct {
Deps []string
Bar bool
}
}
func newBarModule() (Module, []interface{}) {
m := &barModule{}
return m, []interface{}{&m.properties}
return m, []interface{}{&m.properties, &m.SimpleName.Properties}
}
func (b *barModule) DynamicDependencies(ctx DynamicDependerModuleContext) []string {
return b.properties.Deps
}
func (b *barModule) GenerateBuildActions(ModuleContext) {
@ -168,7 +180,7 @@ func TestWalkDeps(t *testing.T) {
var outputDown string
var outputUp string
topModule := ctx.moduleGroups["A"].modules[0]
topModule := ctx.modulesFromName("A")[0]
ctx.walkDeps(topModule,
func(dep depInfo, parent *moduleInfo) bool {
if dep.module.logicModule.(Walker).Walk() {

47
module_ctx.go
View file

@ -84,6 +84,16 @@ import (
// or variants of the current Module must be synchronized by the implementation of
// GenerateBuildActions.
type Module interface {
// Name returns a string used to uniquely identify each module. The return
// value must be unique across all modules. It is only called once, during
// initial blueprint parsing. To change the name later a mutator must call
// MutatorContext.Rename
//
// In most cases, Name should return the contents of a "name:" property from
// the blueprint file. An embeddable SimpleName object can be used for this
// case.
Name() string
// GenerateBuildActions is called by the Context that created the Module
// during its generate phase. This call should generate all Ninja build
// actions (rules, pools, and build statements) needed to build the module.
@ -168,7 +178,7 @@ func (d *baseModuleContext) moduleInfo() *moduleInfo {
}
func (d *baseModuleContext) ModuleName() string {
return d.module.properties.Name
return d.module.Name()
}
func (d *baseModuleContext) ContainsProperty(name string) bool {
@ -248,7 +258,7 @@ type moduleContext struct {
func (m *baseModuleContext) OtherModuleName(logicModule Module) string {
module := m.context.moduleInfo[logicModule]
return module.properties.Name
return module.Name()
}
func (m *baseModuleContext) OtherModuleErrorf(logicModule Module, format string,
@ -446,6 +456,8 @@ type mutatorContext struct {
type baseMutatorContext interface {
BaseModuleContext
OtherModuleExists(name string) bool
Rename(name string)
Module() Module
}
@ -481,6 +493,7 @@ type BottomUpMutatorContext interface {
AddVariationDependencies([]Variation, DependencyTag, ...string)
AddFarVariationDependencies([]Variation, DependencyTag, ...string)
AddInterVariantDependency(tag DependencyTag, from, to Module)
ReplaceDependencies(string)
}
// A Mutator function is called for each Module, and can use
@ -640,3 +653,33 @@ func (mctx *mutatorContext) AddFarVariationDependencies(variations []Variation,
func (mctx *mutatorContext) AddInterVariantDependency(tag DependencyTag, from, to Module) {
mctx.context.addInterVariantDependency(mctx.module, tag, from, to)
}
// ReplaceDependencies replaces all dependencies on the identical variant of the module with the
// specified name with the current variant of this module. Replacements don't take effect until
// after the mutator pass is finished.
func (mctx *mutatorContext) ReplaceDependencies(name string) {
mctx.context.replaceDependencies(mctx.module, name)
}
func (mctx *mutatorContext) OtherModuleExists(name string) bool {
return mctx.context.moduleNames[name] != nil
}
// Rename all variants of a module. The new name is not visible to calls to ModuleName,
// AddDependency or OtherModuleName until after this mutator pass is complete.
func (mctx *mutatorContext) Rename(name string) {
mctx.context.rename(mctx.module.group, name)
}
// SimpleName is an embeddable object to implement the ModuleContext.Name method using a property
// called "name". Modules that embed it must also add SimpleName.Properties to their property
// structure list.
type SimpleName struct {
Properties struct {
Name string
}
}
func (s *SimpleName) Name() string {
return s.Properties.Name
}

5
visit_test.go
View file

@ -20,6 +20,7 @@ import (
)
type visitModule struct {
SimpleName
properties struct {
Visit []string
VisitDepsDepthFirst string `blueprint:"mutated"`
@ -31,7 +32,7 @@ type visitModule struct {
func newVisitModule() (Module, []interface{}) {
m := &visitModule{}
return m, []interface{}{&m.properties}
return m, []interface{}{&m.properties, &m.SimpleName.Properties}
}
func (f *visitModule) GenerateBuildActions(ModuleContext) {
@ -140,7 +141,7 @@ func setupVisitTest(t *testing.T) *Context {
func TestVisit(t *testing.T) {
ctx := setupVisitTest(t)
topModule := ctx.moduleGroups["A"].modules[0].logicModule.(*visitModule)
topModule := ctx.modulesFromName("A")[0].logicModule.(*visitModule)
assertString(t, topModule.properties.VisitDepsDepthFirst, "EDCB")
assertString(t, topModule.properties.VisitDepsDepthFirstIf, "EDC")
assertString(t, topModule.properties.VisitDirectDeps, "B")