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package parse_test
import (
"io/ioutil"
"log"
"strings"
"testing"
"github.com/cheekybits/genny/parse"
"github.com/stretchr/testify/assert"
)
var tests = []struct {
// input
filename string
pkgName string
in string
types []map[string]string
// expectations
expectedOut string
expectedErr error
}{
{
filename: "generic_queue.go",
in: `test/queue/generic_queue.go`,
types: []map[string]string{{"Something": "int"}},
expectedOut: `test/queue/int_queue.go`,
},
{
filename: "generic_queue.go",
pkgName: "changed",
in: `test/queue/generic_queue.go`,
types: []map[string]string{{"Something": "int"}},
expectedOut: `test/queue/changed/int_queue.go`,
},
{
filename: "generic_queue.go",
in: `test/queue/generic_queue.go`,
types: []map[string]string{{"Something": "float32"}},
expectedOut: `test/queue/float32_queue.go`,
},
{
filename: "generic_simplemap.go",
in: `test/multipletypes/generic_simplemap.go`,
types: []map[string]string{{"KeyType": "string", "ValueType": "int"}},
expectedOut: `test/multipletypes/string_int_simplemap.go`,
},
{
filename: "generic_simplemap.go",
in: `test/multipletypes/generic_simplemap.go`,
types: []map[string]string{{"KeyType": "interface{}", "ValueType": "int"}},
expectedOut: `test/multipletypes/interface_int_simplemap.go`,
},
{
filename: "generic_simplemap.go",
in: `test/multipletypes/generic_simplemap.go`,
types: []map[string]string{{"KeyType": "*MyType1", "ValueType": "*MyOtherType"}},
expectedOut: `test/multipletypes/custom_types_simplemap.go`,
},
{
filename: "generic_internal.go",
in: `test/unexported/generic_internal.go`,
types: []map[string]string{{"secret": "*myType"}},
expectedOut: `test/unexported/mytype_internal.go`,
},
{
filename: "generic_simplemap.go",
in: `test/multipletypesets/generic_simplemap.go`,
types: []map[string]string{
{"KeyType": "int", "ValueType": "string"},
{"KeyType": "float64", "ValueType": "bool"},
},
expectedOut: `test/multipletypesets/many_simplemaps.go`,
},
{
filename: "generic_number.go",
in: `test/numbers/generic_number.go`,
types: []map[string]string{{"NumberType": "int"}},
expectedOut: `test/numbers/int_number.go`,
},
{
filename: "generic_digraph.go",
in: `test/bugreports/generic_digraph.go`,
types: []map[string]string{{"Node": "int"}},
expectedOut: `test/bugreports/int_digraph.go`,
},
{
filename: "generic_new_and_make_slice.go",
in: `test/bugreports/generic_new_and_make_slice.go`,
types: []map[string]string{{"NumberType": "int"}},
expectedOut: `test/bugreports/int_new_and_make_slice.go`,
},
{
filename: "cell_x.go",
in: `test/bugreports/cell_x.go`,
types: []map[string]string{{"X": "int"}},
expectedOut: `test/bugreports/cell_int.go`,
},
{
filename: "interface_generic_type.go",
in: `test/bugreports/interface_generic_type.go`,
types: []map[string]string{{"GenericType": "uint8"}},
expectedOut: `test/bugreports/interface_uint8.go`,
},
{
filename: "negation_generic.go",
in: `test/bugreports/negation_generic.go`,
types: []map[string]string{{"SomeThing": "string"}},
expectedOut: `test/bugreports/negation_string.go`,
},
}
func TestParse(t *testing.T) {
for _, test := range tests {
test.in = contents(test.in)
test.expectedOut = contents(test.expectedOut)
bytes, err := parse.Generics(test.filename, test.pkgName, strings.NewReader(test.in), test.types)
// check the error
if test.expectedErr == nil {
assert.NoError(t, err, "(%s) No error was expected but got: %s", test.filename, err)
} else {
assert.NotNil(t, err, "(%s) No error was returned by one was expected: %s", test.filename, test.expectedErr)
assert.IsType(t, test.expectedErr, err, "(%s) Generate should return object of type %v", test.filename, test.expectedErr)
}
// assert the response
if !assert.Equal(t, string(bytes), test.expectedOut, "Parse didn't generate the expected output.") {
log.Println("EXPECTED: " + test.expectedOut)
log.Println("ACTUAL: " + string(bytes))
}
}
}
func contents(s string) string {
if strings.HasSuffix(s, "go") {
file, err := ioutil.ReadFile(s)
if err != nil {
panic(err)
}
return string(file)
}
return s
}
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