require

package main

import (
	"testing"

	"github.com/complex64/protoc-gen-go-firestore/internal/require"
	"github.com/complex64/protoc-gen-go-firestore/internal/require/testdata"
)

func main() {
	var t *testing.T // We're inside a test case.

	// message MyMessage {
	//  string message_field = 1 [
	//    (testdata.field).field_option = "field option value"
	//  ];
	// }

	// A message, with a field as annotated above.
	msg := &testdata.MyMessage{}

	// The expected option the annotation should map to.
	opts := &testdata.FieldOptions{
		FieldOption: "field option value",
	}

	require.FieldOption(t, opts, msg, "message_field") // Test passes.
}

Output:

package main

import (
	"testing"

	"github.com/complex64/protoc-gen-go-firestore/internal/require"
	"github.com/complex64/protoc-gen-go-firestore/internal/require/testdata"
)

func main() {
	var t *testing.T // We're inside a test case.

	// In options.proto:
	// option (testdata.file).file_option = "file option value";
	// message MyMessage {}

	// A message from options.proto which links to its parent file descriptor.
	msg := &testdata.MyMessage{}
	opts := &testdata.FileOptions{
		// Assertions...
	}

	require.FileOptions(t, opts, msg)
}

Output:

package main

import (
	"testing"

	"github.com/complex64/protoc-gen-go-firestore/internal/require"
	"github.com/complex64/protoc-gen-go-firestore/internal/require/testdata"
)

func main() {
	var t *testing.T // We're inside a test case.

	// message MyMessage {
	//  option (testdata.message).message_option = "option value";
	//  ...
	// }

	// A message, annotated as shown above.
	msg := &testdata.MyMessage{
		MessageField: "field value",
	}

	// The expected option the annotation should map to.
	opts := &testdata.MessageOptions{
		MessageOption: "message option value",
	}

	require.MessageOption(t, opts, msg) // Test passes.
}

Output: