forked from cerc-io/ipld-eth-server
71 lines
1.9 KiB
Go
71 lines
1.9 KiB
Go
package shared_test
|
|
|
|
import (
|
|
"errors"
|
|
|
|
. "github.com/onsi/ginkgo"
|
|
. "github.com/onsi/gomega"
|
|
"github.com/vulcanize/vulcanizedb/libraries/shared"
|
|
"github.com/vulcanize/vulcanizedb/pkg/core"
|
|
"github.com/vulcanize/vulcanizedb/pkg/datastore/postgres"
|
|
shared2 "github.com/vulcanize/vulcanizedb/pkg/transformers/shared"
|
|
)
|
|
|
|
type MockTransformer struct {
|
|
executeWasCalled bool
|
|
executeError error
|
|
}
|
|
|
|
func (mh *MockTransformer) Execute() error {
|
|
if mh.executeError != nil {
|
|
return mh.executeError
|
|
}
|
|
mh.executeWasCalled = true
|
|
return nil
|
|
}
|
|
|
|
func fakeTransformerInitializer(db *postgres.DB, blockchain core.BlockChain) shared2.Transformer {
|
|
return &MockTransformer{}
|
|
}
|
|
|
|
var _ = Describe("Watcher", func() {
|
|
It("Adds transformers", func() {
|
|
watcher := shared.Watcher{}
|
|
|
|
watcher.AddTransformers([]shared2.TransformerInitializer{fakeTransformerInitializer})
|
|
|
|
Expect(len(watcher.Transformers)).To(Equal(1))
|
|
Expect(watcher.Transformers).To(ConsistOf(&MockTransformer{}))
|
|
})
|
|
|
|
It("Adds transformers from multiple sources", func() {
|
|
watcher := shared.Watcher{}
|
|
|
|
watcher.AddTransformers([]shared2.TransformerInitializer{fakeTransformerInitializer})
|
|
watcher.AddTransformers([]shared2.TransformerInitializer{fakeTransformerInitializer})
|
|
|
|
Expect(len(watcher.Transformers)).To(Equal(2))
|
|
})
|
|
|
|
It("Executes each transformer", func() {
|
|
watcher := shared.Watcher{}
|
|
fakeTransformer := &MockTransformer{}
|
|
watcher.Transformers = []shared2.Transformer{fakeTransformer}
|
|
|
|
watcher.Execute()
|
|
|
|
Expect(fakeTransformer.executeWasCalled).To(BeTrue())
|
|
})
|
|
|
|
It("Returns an error if transformer returns an error", func() {
|
|
watcher := shared.Watcher{}
|
|
fakeTransformer := &MockTransformer{executeError: errors.New("Something bad happened")}
|
|
watcher.Transformers = []shared2.Transformer{fakeTransformer}
|
|
|
|
err := watcher.Execute()
|
|
|
|
Expect(err).To(HaveOccurred())
|
|
Expect(fakeTransformer.executeWasCalled).To(BeFalse())
|
|
})
|
|
})
|