github.com/hernad/nomad@v1.6.112/nomad/structs/config/limits_test.go (about)

     1  // Copyright (c) HashiCorp, Inc.
     2  // SPDX-License-Identifier: MPL-2.0
     3  
     4  package config
     5  
     6  import (
     7  	"testing"
     8  	"time"
     9  
    10  	"github.com/hernad/nomad/ci"
    11  	"github.com/hernad/nomad/helper/pointer"
    12  	"github.com/stretchr/testify/require"
    13  )
    14  
    15  // TestLimits_Defaults asserts the default limits are valid.
    16  func TestLimits_Defaults(t *testing.T) {
    17  	ci.Parallel(t)
    18  
    19  	l := DefaultLimits()
    20  	d, err := time.ParseDuration(l.HTTPSHandshakeTimeout)
    21  	require.NoError(t, err)
    22  	require.True(t, d > 0)
    23  
    24  	d, err = time.ParseDuration(l.RPCHandshakeTimeout)
    25  	require.NoError(t, err)
    26  	require.True(t, d > 0)
    27  }
    28  
    29  // TestLimits_Copy asserts Limits structs are deep copied.
    30  func TestLimits_Copy(t *testing.T) {
    31  	ci.Parallel(t)
    32  
    33  	o := DefaultLimits()
    34  	c := o.Copy()
    35  
    36  	// Assert changes to copy are not propagated to the original
    37  	c.HTTPSHandshakeTimeout = "1s"
    38  	c.HTTPMaxConnsPerClient = pointer.Of(50)
    39  	c.RPCHandshakeTimeout = "1s"
    40  	c.RPCMaxConnsPerClient = pointer.Of(50)
    41  
    42  	require.NotEqual(t, c.HTTPSHandshakeTimeout, o.HTTPSHandshakeTimeout)
    43  
    44  	// Pointers should be different
    45  	require.True(t, c.HTTPMaxConnsPerClient != o.HTTPMaxConnsPerClient)
    46  
    47  	require.NotEqual(t, c.HTTPMaxConnsPerClient, o.HTTPMaxConnsPerClient)
    48  	require.NotEqual(t, c.RPCHandshakeTimeout, o.RPCHandshakeTimeout)
    49  
    50  	// Pointers should be different
    51  	require.True(t, c.RPCMaxConnsPerClient != o.RPCMaxConnsPerClient)
    52  
    53  	require.NotEqual(t, c.RPCMaxConnsPerClient, o.RPCMaxConnsPerClient)
    54  }
    55  
    56  // TestLimits_Merge asserts non-zero fields from the method argument take
    57  // precedence over the existing limits.
    58  func TestLimits_Merge(t *testing.T) {
    59  	ci.Parallel(t)
    60  
    61  	l := Limits{}
    62  	o := DefaultLimits()
    63  	m := l.Merge(o)
    64  
    65  	// Operands should not change
    66  	require.Equal(t, Limits{}, l)
    67  	require.Equal(t, DefaultLimits(), o)
    68  
    69  	// m == o
    70  	require.Equal(t, m, DefaultLimits())
    71  
    72  	o.HTTPSHandshakeTimeout = "10s"
    73  	m2 := m.Merge(o)
    74  
    75  	// Operands should not change
    76  	require.Equal(t, m, DefaultLimits())
    77  
    78  	// Use short struct initialization style so it fails to compile if
    79  	// fields are added
    80  	expected := Limits{"10s", pointer.Of(100), "5s", pointer.Of(100)}
    81  	require.Equal(t, expected, m2)
    82  
    83  	// Mergin in 0 values should not change anything
    84  	m3 := m2.Merge(Limits{})
    85  	require.Equal(t, m2, m3)
    86  }