fix tests

go.mod

@@ -2,4 +2,7 @@ module github.com/cheekybits/genny
 
 go 1.12
 
-require golang.org/x/tools v0.0.0-20190328030505-8f05a32dce9f
+require (
+	github.com/stretchr/testify v1.3.0
+	golang.org/x/tools v0.0.0-20190328030505-8f05a32dce9f
+)

go.sum

@@ -1,3 +1,10 @@
+github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+github.com/stretchr/testify v1.3.0 h1:TivCn/peBQ7UY8ooIcPgZFpTNSz0Q2U6UrFlUfqbe0Q=
+github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=

parse/parse_test.go

@@ -12,10 +12,11 @@ import (
 
 var tests = []struct {
 	// input
-	filename string
-	pkgName  string
-	in       string
-	types    []map[string]string
+	filename       string
+	outputFilename string
+	pkgName        string
+	in             string
+	types          []map[string]string
 
 	// expectations
 	expectedOut string
@@ -118,7 +119,7 @@ func TestParse(t *testing.T) {
 		test.in = contents(test.in)
 		test.expectedOut = contents(test.expectedOut)
 
-		bytes, err := parse.Generics(test.filename, test.pkgName, strings.NewReader(test.in), test.types)
+		bytes, err := parse.Generics(test.filename, test.outputFilename, test.pkgName, strings.NewReader(test.in), test.types)
 
 		// check the error
 		if test.expectedErr == nil {