func makeFakeDB(graph *dag.DAG, sig []byte) BuildDB {
var bdb BuildDB = db.NewFakeDB()
for _, node := range graph.Nodes() {
record := db.NewBuildRecord()
record.SetTargetSignature(sig)
for _, parent := range graph.ParentNodes(node) {
record.AddParent(parent.Name(), sig)
}
bdb.WriteNode(node.Name(), record)
}
return bdb
}
// all targets exist, but the BuildDB is empty: rebuild everything
// because we have no way of knowing what changed
func Test_BuildState_BuildTargets_empty_db(t *testing.T) {
sig := []byte{0}
graph, executed := setupBuild(true, sig)
bdb := db.NewFakeDB()
expect := []buildexpect{
{"tool1.o", dag.BUILT},
{"misc.o", dag.BUILT},
{"util.o", dag.BUILT},
{"tool1", dag.BUILT},
{"tool2.o", dag.BUILT},
{"tool2", dag.BUILT},
}
bstate := NewBuildState(graph, bdb, BuildOptions{})
goal := graph.MakeNodeSet("tool1", "tool2")
err := bstate.BuildTargets(goal)
assert.Nil(t, err)
assertBuild(t, graph, expect, *executed)
}
func openBuildDB() (build.BuildDB, error) {
var bdb build.BuildDB
var err error
err = os.MkdirAll(".fubsy", 0755)
if err != nil {
return nil, err
}
bdb, err = db.OpenKyotoDB(".fubsy/buildstate.kch", true)
if _, ok := err.(db.NotAvailableError); ok {
bdb = db.NewFakeDB()
err = nil
log.Warning(
"no database libraries available; build state will not be saved")
} else if err != nil {
return nil, err
}
return bdb, nil
}