go.uber.org/yarpc@v1.72.1/api/x/restriction/restricter_test.go (about)

     1  // Copyright (c) 2022 Uber Technologies, Inc.
     2  //
     3  // Permission is hereby granted, free of charge, to any person obtaining a copy
     4  // of this software and associated documentation files (the "Software"), to deal
     5  // in the Software without restriction, including without limitation the rights
     6  // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
     7  // copies of the Software, and to permit persons to whom the Software is
     8  // furnished to do so, subject to the following conditions:
     9  //
    10  // The above copyright notice and this permission notice shall be included in
    11  // all copies or substantial portions of the Software.
    12  //
    13  // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    14  // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    15  // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
    16  // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    17  // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    18  // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
    19  // THE SOFTWARE.
    20  
    21  package restriction
    22  
    23  import (
    24  	"testing"
    25  
    26  	"github.com/stretchr/testify/assert"
    27  	"github.com/stretchr/testify/require"
    28  	"go.uber.org/yarpc/api/transport"
    29  )
    30  
    31  func TestRestricter(t *testing.T) {
    32  	const (
    33  		testEncoding  = transport.Encoding("test-encoding")
    34  		testTransport = "test-transport"
    35  	)
    36  
    37  	t.Run("no tuples", func(t *testing.T) {
    38  		c, err := NewChecker( /* empty */ )
    39  		assert.Error(t, err, "expected successful creation")
    40  		assert.Nil(t, c, "expected nil checker")
    41  	})
    42  
    43  	t.Run("whitelisted tuple", func(t *testing.T) {
    44  		r, err := NewChecker(Tuple{
    45  			Transport: testTransport,
    46  			Encoding:  testEncoding,
    47  		})
    48  		require.NoError(t, err, "expected successful creation")
    49  
    50  		t.Run("success", func(t *testing.T) {
    51  			err = r.Check(testEncoding, testTransport)
    52  			assert.NoError(t, err, "expected success")
    53  		})
    54  
    55  		t.Run("err", func(t *testing.T) {
    56  			err = r.Check("enc", "trans")
    57  			assert.EqualError(t, err,
    58  				`"trans/enc" is not a whitelisted combination, available: "test-transport/test-encoding"`)
    59  		})
    60  	})
    61  
    62  	t.Run("invalid tuple", func(t *testing.T) {
    63  		_, err := NewChecker(Tuple{
    64  			Transport: "",
    65  			Encoding:  "",
    66  		})
    67  		require.EqualError(t, err, "tuple missing must have all fields set")
    68  	})
    69  }