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Add cache_capacity option to dnssec middleware for the capacity of LRU cache (#339)

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This fix adds a `cache_capacity` option to dnssec middleware, so that
it is possible to specify the capacity of the LRU cache used by dnssec
middleware.

Signed-off-by: Yong Tang <yong.tang.github@outlook.com>
This commit is contained in:
Yong Tang
2016-10-18 13:33:23 -07:00
committed by GitHub
parent 4d55f90388
commit ad7e78ec31
3 changed files with 58 additions and 30 deletions
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15
middleware/dnssec/setup_test.go
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@@ -13,19 +13,25 @@ func TestSetupDnssec(t *testing.T) {
shouldErr bool
expectedZones []string
expectedKeys []string
expectedCapacity int
expectedErrContent string
}{
{
`dnssec`, false, nil, nil, "",
`dnssec`, false, nil, nil, defaultCap, "",
},
{
`dnssec miek.nl`, false, []string{"miek.nl."}, nil, "",
`dnssec miek.nl`, false, []string{"miek.nl."}, nil, defaultCap, "",
},
{
`dnssec miek.nl {
cache_capacity 100
}`, false, []string{"miek.nl."}, nil, 100, "",
},
}
for i, test := range tests {
c := caddy.NewTestController("dns", test.input)
zones, keys, err := dnssecParse(c)
zones, keys, capacity, err := dnssecParse(c)
if test.shouldErr && err == nil {
t.Errorf("Test %d: Expected error but found %s for input %s", i, err, test.input)
@@ -51,6 +57,9 @@ func TestSetupDnssec(t *testing.T) {
t.Errorf("Dnssec not correctly set for input %s. Expected: '%s', actual: '%s'", test.input, k, keys[i].K.Header().Name)
}
}
if capacity != test.expectedCapacity {
t.Errorf("Dnssec not correctly set capacity for input '%s' Expected: '%d', actual: '%d'", test.input, capacity, test.expectedCapacity)
}
}
}
}