DRY up storage diff repo tests

pkg/transformers/storage_diffs/maker/test_helpers/datatypes.go

@@ -0,0 +1,49 @@
+package test_helpers
+
+import (
+	. "github.com/onsi/gomega"
+)
+
+type BlockMetadata struct {
+	BlockNumber int    `db:"block_number"`
+	BlockHash   string `db:"block_hash"`
+}
+
+type VariableRes struct {
+	BlockMetadata
+	Value string
+}
+
+type MappingRes struct {
+	BlockMetadata
+	Key   string
+	Value string
+}
+
+type DoubleMappingRes struct {
+	BlockMetadata
+	KeyOne string `db:"key_one"`
+	KeyTwo string `db:"key_two"`
+	Value  string
+}
+
+func AssertVariable(res VariableRes, blockNumber int, blockHash, value string) {
+	Expect(res.BlockNumber).To(Equal(blockNumber))
+	Expect(res.BlockHash).To(Equal(blockHash))
+	Expect(res.Value).To(Equal(value))
+}
+
+func AssertMapping(res MappingRes, blockNumber int, blockHash, key, value string) {
+	Expect(res.BlockNumber).To(Equal(blockNumber))
+	Expect(res.BlockHash).To(Equal(blockHash))
+	Expect(res.Key).To(Equal(key))
+	Expect(res.Value).To(Equal(value))
+}
+
+func AssertDoubleMapping(res DoubleMappingRes, blockNumber int, blockHash, keyOne, keyTwo, value string) {
+	Expect(res.BlockNumber).To(Equal(blockNumber))
+	Expect(res.BlockHash).To(Equal(blockHash))
+	Expect(res.KeyOne).To(Equal(keyOne))
+	Expect(res.KeyTwo).To(Equal(keyTwo))
+	Expect(res.Value).To(Equal(value))
+}