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// Copyright (c) 2016 Uber Technologies, Inc.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
package zap
import (
"bytes"
"io"
"net/url"
"strings"
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"go.uber.org/zap/zapcore"
)
func stubSinkRegistry(t testing.TB) *sinkRegistry {
origSinkRegistry := _sinkRegistry
t.Cleanup(func() {
_sinkRegistry = origSinkRegistry
})
r := newSinkRegistry()
_sinkRegistry = r
return r
}
func TestRegisterSink(t *testing.T) {
stubSinkRegistry(t)
const (
memScheme = "mem"
nopScheme = "no-op.1234"
)
var memCalls, nopCalls int
buf := bytes.NewBuffer(nil)
memFactory := func(u *url.URL) (Sink, error) {
assert.Equal(t, u.Scheme, memScheme, "Scheme didn't match registration.")
memCalls++
return nopCloserSink{zapcore.AddSync(buf)}, nil
}
nopFactory := func(u *url.URL) (Sink, error) {
assert.Equal(t, u.Scheme, nopScheme, "Scheme didn't match registration.")
nopCalls++
return nopCloserSink{zapcore.AddSync(io.Discard)}, nil
}
require.NoError(t, RegisterSink(strings.ToUpper(memScheme), memFactory), "Failed to register scheme %q.", memScheme)
require.NoError(t, RegisterSink(nopScheme, nopFactory), "Failed to register scheme %q.", nopScheme)
sink, closeSink, err := Open(
memScheme+"://somewhere",
nopScheme+"://somewhere-else",
)
require.NoError(t, err, "Unexpected error opening URLs with registered schemes.")
defer closeSink()
assert.Equal(t, 1, memCalls, "Unexpected number of calls to memory factory.")
assert.Equal(t, 1, nopCalls, "Unexpected number of calls to no-op factory.")
_, err = sink.Write([]byte("foo"))
assert.NoError(t, err, "Failed to write to combined WriteSyncer.")
assert.Equal(t, "foo", buf.String(), "Unexpected buffer contents.")
}
func TestRegisterSinkErrors(t *testing.T) {
nopFactory := func(_ *url.URL) (Sink, error) {
return nopCloserSink{zapcore.AddSync(io.Discard)}, nil
}
tests := []struct {
scheme string
err string
}{
{"", "empty string"},
{"FILE", "already registered"},
{"42", "not a valid scheme"},
{"http*", "not a valid scheme"},
}
for _, tt := range tests {
t.Run("scheme-"+tt.scheme, func(t *testing.T) {
r := newSinkRegistry()
err := r.RegisterSink(tt.scheme, nopFactory)
assert.ErrorContains(t, err, tt.err)
})
}
}
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