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main_test.go
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package main
import (
"errors"
"flag"
"reflect"
"testing"
)
func TestParseReqParam(t *testing.T) {
testcases := []struct {
name string
expected map[string]string
request string
expectedError error
allowDeleteBodyV bool
allowMergeV bool
allowRepeatedFieldsInBodyV bool
includePackageInTagsV bool
fileV string
importPathV string
mergeFileNameV string
useFQNForSwaggerNameV bool
}{
{
// this one must be first - with no leading clearFlags call it
// verifies our expectation of default values as we reset by
// clearFlags
name: "Test 0",
expected: map[string]string{},
request: "",
allowDeleteBodyV: false, allowMergeV: false, allowRepeatedFieldsInBodyV: false, includePackageInTagsV: false,
fileV: "-", importPathV: "", mergeFileNameV: "apidocs",
},
{
name: "Test 1",
expected: map[string]string{"google/api/annotations.proto": "github.com/grpc-ecosystem/grpc-gateway/third_party/googleapis/google/api"},
request: "allow_delete_body,allow_merge,allow_repeated_fields_in_body,include_package_in_tags,file=./foo.pb,import_prefix=/bar/baz,Mgoogle/api/annotations.proto=github.com/grpc-ecosystem/grpc-gateway/third_party/googleapis/google/api",
allowDeleteBodyV: true, allowMergeV: true, allowRepeatedFieldsInBodyV: true, includePackageInTagsV: true,
fileV: "./foo.pb", importPathV: "/bar/baz", mergeFileNameV: "apidocs",
},
{
name: "Test 2",
expected: map[string]string{"google/api/annotations.proto": "github.com/grpc-ecosystem/grpc-gateway/third_party/googleapis/google/api"},
request: "allow_delete_body=true,allow_merge=true,allow_repeated_fields_in_body=true,include_package_in_tags=true,merge_file_name=test_name,file=./foo.pb,import_prefix=/bar/baz,Mgoogle/api/annotations.proto=github.com/grpc-ecosystem/grpc-gateway/third_party/googleapis/google/api",
allowDeleteBodyV: true, allowMergeV: true, allowRepeatedFieldsInBodyV: true, includePackageInTagsV: true,
fileV: "./foo.pb", importPathV: "/bar/baz", mergeFileNameV: "test_name",
},
{
name: "Test 3",
expected: map[string]string{"a/b/c.proto": "github.com/x/y/z", "f/g/h.proto": "github.com/1/2/3/"},
request: "allow_delete_body=false,allow_merge=false,Ma/b/c.proto=github.com/x/y/z,Mf/g/h.proto=github.com/1/2/3/",
allowDeleteBodyV: false, allowMergeV: false, allowRepeatedFieldsInBodyV: false, includePackageInTagsV: false,
fileV: "stdin", importPathV: "", mergeFileNameV: "apidocs",
},
{
name: "Test 4",
expected: map[string]string{},
request: "",
allowDeleteBodyV: false, allowMergeV: false, allowRepeatedFieldsInBodyV: false, includePackageInTagsV: false,
fileV: "stdin", importPathV: "", mergeFileNameV: "apidocs",
},
{
name: "Test 5",
expected: map[string]string{},
request: "unknown_param=17",
expectedError: errors.New("Cannot set flag unknown_param=17: no such flag -unknown_param"),
allowDeleteBodyV: false, allowMergeV: false, allowRepeatedFieldsInBodyV: false, includePackageInTagsV: false,
fileV: "stdin", importPathV: "", mergeFileNameV: "apidocs",
},
{
name: "Test 6",
expected: map[string]string{},
request: "Mfoo",
expectedError: errors.New("Cannot set flag Mfoo: no such flag -Mfoo"),
allowDeleteBodyV: false, allowMergeV: false, allowRepeatedFieldsInBodyV: false, includePackageInTagsV: false,
fileV: "stdin", importPathV: "", mergeFileNameV: "apidocs",
},
{
name: "Test 7",
expected: map[string]string{},
request: "allow_delete_body,file,import_prefix,allow_merge,allow_repeated_fields_in_body,include_package_in_tags,merge_file_name",
allowDeleteBodyV: true, allowMergeV: true, allowRepeatedFieldsInBodyV: true, includePackageInTagsV: true,
fileV: "", importPathV: "", mergeFileNameV: "",
},
{
name: "Test 8",
expected: map[string]string{},
request: "allow_delete_body,file,import_prefix,allow_merge,allow_repeated_fields_in_body=3,merge_file_name",
expectedError: errors.New(`Cannot set flag allow_repeated_fields_in_body=3: parse error`),
allowDeleteBodyV: true, allowMergeV: true, allowRepeatedFieldsInBodyV: false, includePackageInTagsV: false,
fileV: "", importPathV: "", mergeFileNameV: "apidocs",
},
{
name: "Test 9",
expected: map[string]string{},
request: "include_package_in_tags=3",
expectedError: errors.New(`Cannot set flag include_package_in_tags=3: parse error`),
allowDeleteBodyV: false, allowMergeV: false, allowRepeatedFieldsInBodyV: false, includePackageInTagsV: false,
fileV: "stdin", importPathV: "", mergeFileNameV: "apidocs",
},
{
name: "Test 10",
expected: map[string]string{},
request: "fqn_for_swagger_name=3",
expectedError: errors.New(`Cannot set flag fqn_for_swagger_name=3: parse error`),
allowDeleteBodyV: false, allowMergeV: false, allowRepeatedFieldsInBodyV: false, includePackageInTagsV: false, useFQNForSwaggerNameV: false,
fileV: "stdin", importPathV: "", mergeFileNameV: "apidocs",
},
{
name: "Test 11",
expected: map[string]string{},
request: "fqn_for_swagger_name=true",
allowDeleteBodyV: false, allowMergeV: false, allowRepeatedFieldsInBodyV: false, includePackageInTagsV: false, useFQNForSwaggerNameV: true,
fileV: "stdin", importPathV: "", mergeFileNameV: "apidocs",
},
}
for i, tc := range testcases {
t.Run(tc.name, func(tt *testing.T) {
f := flag.CommandLine
pkgMap := make(map[string]string)
err := parseReqParam(tc.request, f, pkgMap)
if tc.expectedError == nil {
if err != nil {
tt.Errorf("unexpected parse error '%v'", err)
}
if !reflect.DeepEqual(pkgMap, tc.expected) {
tt.Errorf("pkgMap parse error, expected '%v', got '%v'", tc.expected, pkgMap)
}
} else {
if err == nil {
tt.Error("expected parse error not returned")
}
if !reflect.DeepEqual(pkgMap, tc.expected) {
tt.Errorf("pkgMap parse error, expected '%v', got '%v'", tc.expected, pkgMap)
}
if err.Error() != tc.expectedError.Error() {
tt.Errorf("expected error malformed, expected %q, got %q", tc.expectedError.Error(), err.Error())
}
}
checkFlags(tc.allowDeleteBodyV, tc.allowMergeV, tc.allowRepeatedFieldsInBodyV, tc.includePackageInTagsV, tc.useFQNForSwaggerNameV, tc.fileV, tc.importPathV, tc.mergeFileNameV, tt, i)
clearFlags()
})
}
}
func checkFlags(allowDeleteV, allowMergeV, allowRepeatedFieldsInBodyV, includePackageInTagsV bool, useFQNForSwaggerNameV bool, fileV, importPathV, mergeFileNameV string, t *testing.T, tid int) {
if *importPrefix != importPathV {
t.Errorf("Test %v: import_prefix misparsed, expected '%v', got '%v'", tid, importPathV, *importPrefix)
}
if *file != fileV {
t.Errorf("Test %v: file misparsed, expected '%v', got '%v'", tid, fileV, *file)
}
if *allowDeleteBody != allowDeleteV {
t.Errorf("Test %v: allow_delete_body misparsed, expected '%v', got '%v'", tid, allowDeleteV, *allowDeleteBody)
}
if *allowMerge != allowMergeV {
t.Errorf("Test %v: allow_merge misparsed, expected '%v', got '%v'", tid, allowMergeV, *allowMerge)
}
if *mergeFileName != mergeFileNameV {
t.Errorf("Test %v: merge_file_name misparsed, expected '%v', got '%v'", tid, mergeFileNameV, *mergeFileName)
}
if *allowRepeatedFieldsInBody != allowRepeatedFieldsInBodyV {
t.Errorf("Test %v: allow_repeated_fields_in_body misparsed, expected '%v', got '%v'", tid, allowRepeatedFieldsInBodyV, *allowRepeatedFieldsInBody)
}
if *includePackageInTags != includePackageInTagsV {
t.Errorf("Test %v: include_package_in_tags misparsed, expected '%v', got '%v'", tid, includePackageInTagsV, *includePackageInTags)
}
if *useFQNForSwaggerName != useFQNForSwaggerNameV {
t.Errorf("Test %v: fqn_for_swagger_name misparsed, expected '%v', got '%v'", tid, useFQNForSwaggerNameV, *useFQNForSwaggerName)
}
}
func clearFlags() {
*importPrefix = ""
*file = "stdin"
*allowDeleteBody = false
*allowMerge = false
*allowRepeatedFieldsInBody = false
*includePackageInTags = false
*mergeFileName = "apidocs"
}