prysm-pulse/api/grpc/grpcutils_test.go
Raul Jordan a9a4bb9163
Move Shared/Testutil into Testing (#9659)
* move testutil

* util pkg

* build

* gaz

Co-authored-by: prylabs-bulldozer[bot] <58059840+prylabs-bulldozer[bot]@users.noreply.github.com>
2021-09-23 18:53:46 +00:00

79 lines
2.9 KiB
Go

package grpc
import (
"context"
"encoding/json"
"strings"
"testing"
"github.com/grpc-ecosystem/grpc-gateway/v2/runtime"
"github.com/prysmaticlabs/prysm/testing/assert"
"github.com/prysmaticlabs/prysm/testing/require"
logTest "github.com/sirupsen/logrus/hooks/test"
"google.golang.org/grpc"
"google.golang.org/grpc/metadata"
)
type customErrorData struct {
Message string `json:"message"`
}
func TestAppendHeaders(t *testing.T) {
t.Run("one_header", func(t *testing.T) {
ctx := AppendHeaders(context.Background(), []string{"first=value1"})
md, ok := metadata.FromOutgoingContext(ctx)
require.Equal(t, true, ok, "Failed to read context metadata")
require.Equal(t, 1, md.Len(), "MetadataV0 contains wrong number of values")
assert.Equal(t, "value1", md.Get("first")[0])
})
t.Run("multiple_headers", func(t *testing.T) {
ctx := AppendHeaders(context.Background(), []string{"first=value1", "second=value2"})
md, ok := metadata.FromOutgoingContext(ctx)
require.Equal(t, true, ok, "Failed to read context metadata")
require.Equal(t, 2, md.Len(), "MetadataV0 contains wrong number of values")
assert.Equal(t, "value1", md.Get("first")[0])
assert.Equal(t, "value2", md.Get("second")[0])
})
t.Run("one_empty_header", func(t *testing.T) {
ctx := AppendHeaders(context.Background(), []string{"first=value1", ""})
md, ok := metadata.FromOutgoingContext(ctx)
require.Equal(t, true, ok, "Failed to read context metadata")
require.Equal(t, 1, md.Len(), "MetadataV0 contains wrong number of values")
assert.Equal(t, "value1", md.Get("first")[0])
})
t.Run("incorrect_header", func(t *testing.T) {
logHook := logTest.NewGlobal()
ctx := AppendHeaders(context.Background(), []string{"first=value1", "second"})
md, ok := metadata.FromOutgoingContext(ctx)
require.Equal(t, true, ok, "Failed to read context metadata")
require.Equal(t, 1, md.Len(), "MetadataV0 contains wrong number of values")
assert.Equal(t, "value1", md.Get("first")[0])
assert.LogsContain(t, logHook, "Skipping second")
})
t.Run("header_value_with_equal_sign", func(t *testing.T) {
ctx := AppendHeaders(context.Background(), []string{"first=value=1"})
md, ok := metadata.FromOutgoingContext(ctx)
require.Equal(t, true, ok, "Failed to read context metadata")
require.Equal(t, 1, md.Len(), "MetadataV0 contains wrong number of values")
assert.Equal(t, "value=1", md.Get("first")[0])
})
}
func TestAppendCustomErrorHeader(t *testing.T) {
stream := &runtime.ServerTransportStream{}
ctx := grpc.NewContextWithServerTransportStream(context.Background(), stream)
data := &customErrorData{Message: "foo"}
require.NoError(t, AppendCustomErrorHeader(ctx, data))
// The stream used in test setup sets the metadata key in lowercase.
value, ok := stream.Header()[strings.ToLower(CustomErrorMetadataKey)]
require.Equal(t, true, ok, "Failed to retrieve custom error metadata value")
expected, err := json.Marshal(data)
require.NoError(t, err)
assert.Equal(t, string(expected), value[0])
}