terraform/internal/legacy/helper/acctest/random_test.go

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2019-08-02 19:35:28 +02:00
package acctest
import (
"regexp"
"testing"
)
func TestRandIpAddress(t *testing.T) {
testCases := []struct {
s string
expected *regexp.Regexp
expectedErr string
}{
{
s: "1.1.1.1/32",
expected: regexp.MustCompile(`^1\.1\.1\.1$`),
},
{
s: "10.0.0.0/8",
expected: regexp.MustCompile(`^10\.\d{1,3}\.\d{1,3}\.\d{1,3}$`),
},
{
s: "0.0.0.0/0",
expectedErr: "CIDR range is too large: 32",
},
{
s: "449d:e5f1:14b1:ddf3:8525:7e9e:4a0d:4a82/128",
expected: regexp.MustCompile(`^449d:e5f1:14b1:ddf3:8525:7e9e:4a0d:4a82$`),
},
{
s: "2001:db8::/112",
expected: regexp.MustCompile(`^2001:db8::[[:xdigit:]]{1,4}$`),
},
{
s: "2001:db8::/64",
expectedErr: "CIDR range is too large: 64",
},
{
s: "abcdefg",
expectedErr: "invalid CIDR address: abcdefg",
},
}
for i, tc := range testCases {
v, err := RandIpAddress(tc.s)
if err != nil {
msg := err.Error()
if tc.expectedErr == "" {
t.Fatalf("expected test case %d to succeed but got error %q, ", i, msg)
}
if msg != tc.expectedErr {
t.Fatalf("expected test case %d to fail with %q but got %q", i, tc.expectedErr, msg)
}
} else if !tc.expected.MatchString(v) {
t.Fatalf("expected test case %d to return %q but got %q", i, tc.expected, v)
}
}
}