Add transformers for Cat file events

- transform logs from 3 implementations of file on the Cat contract

pkg/transformers/test_data/mocks/cat_file/flip/converter.go

@@ -0,0 +1,35 @@
+// Copyright 2018 Vulcanize
+//
+// 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 flip
+
+import (
+	"github.com/ethereum/go-ethereum/core/types"
+	"github.com/vulcanize/vulcanizedb/pkg/transformers/cat_file/flip"
+	"github.com/vulcanize/vulcanizedb/pkg/transformers/test_data"
+)
+
+type MockCatFileFlipConverter struct {
+	err        error
+	PassedLogs []types.Log
+}
+
+func (converter *MockCatFileFlipConverter) ToModels(ethLogs []types.Log) ([]flip.CatFileFlipModel, error) {
+	converter.PassedLogs = ethLogs
+	return []flip.CatFileFlipModel{test_data.CatFileFlipModel}, converter.err
+}
+
+func (converter *MockCatFileFlipConverter) SetConverterError(e error) {
+	converter.err = e
+}

pkg/transformers/test_data/mocks/cat_file/flip/repository.go

@@ -0,0 +1,71 @@
+// Copyright 2018 Vulcanize
+//
+// 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 flip
+
+import (
+	. "github.com/onsi/gomega"
+
+	"github.com/vulcanize/vulcanizedb/pkg/core"
+	"github.com/vulcanize/vulcanizedb/pkg/transformers/cat_file/flip"
+)
+
+type MockCatFileFlipRepository struct {
+	createErr                       error
+	markHeaderCheckedErr            error
+	markHeaderCheckedPassedHeaderID int64
+	missingHeadersErr               error
+	missingHeaders                  []core.Header
+	PassedStartingBlockNumber       int64
+	PassedEndingBlockNumber         int64
+	PassedHeaderID                  int64
+	PassedModels                    []flip.CatFileFlipModel
+}
+
+func (repository *MockCatFileFlipRepository) Create(headerID int64, models []flip.CatFileFlipModel) error {
+	repository.PassedHeaderID = headerID
+	repository.PassedModels = models
+	return repository.createErr
+}
+
+func (repository *MockCatFileFlipRepository) MarkHeaderChecked(headerID int64) error {
+	repository.markHeaderCheckedPassedHeaderID = headerID
+	return repository.markHeaderCheckedErr
+}
+
+func (repository *MockCatFileFlipRepository) MissingHeaders(startingBlockNumber, endingBlockNumber int64) ([]core.Header, error) {
+	repository.PassedStartingBlockNumber = startingBlockNumber
+	repository.PassedEndingBlockNumber = endingBlockNumber
+	return repository.missingHeaders, repository.missingHeadersErr
+}
+
+func (repository *MockCatFileFlipRepository) SetMissingHeadersErr(e error) {
+	repository.missingHeadersErr = e
+}
+
+func (repository *MockCatFileFlipRepository) SetMissingHeaders(headers []core.Header) {
+	repository.missingHeaders = headers
+}
+
+func (repository *MockCatFileFlipRepository) SetCreateError(e error) {
+	repository.createErr = e
+}
+
+func (repository *MockCatFileFlipRepository) SetMarkHeaderCheckedErr(e error) {
+	repository.markHeaderCheckedErr = e
+}
+
+func (repository *MockCatFileFlipRepository) AssertMarkHeaderCheckedCalledWith(i int64) {
+	Expect(repository.markHeaderCheckedPassedHeaderID).To(Equal(i))
+}