mirror of
https://github.com/coredns/coredns.git
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First commit
This commit is contained in:
Miek Gieben
477
core/parse/parsing_test.go
Normal file
477
core/parse/parsing_test.go
Normal file
@@ -0,0 +1,477 @@
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package parse
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import (
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"os"
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"strings"
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"testing"
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)
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func TestStandardAddress(t *testing.T) {
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for i, test := range []struct {
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input string
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scheme, host, port string
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shouldErr bool
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}{
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{`localhost`, "", "localhost", "", false},
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{`localhost:1234`, "", "localhost", "1234", false},
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{`localhost:`, "", "localhost", "", false},
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{`0.0.0.0`, "", "0.0.0.0", "", false},
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{`127.0.0.1:1234`, "", "127.0.0.1", "1234", false},
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{`:1234`, "", "", "1234", false},
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{`[::1]`, "", "::1", "", false},
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{`[::1]:1234`, "", "::1", "1234", false},
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{`:`, "", "", "", false},
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{`localhost:http`, "http", "localhost", "80", false},
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{`localhost:https`, "https", "localhost", "443", false},
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{`:http`, "http", "", "80", false},
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{`:https`, "https", "", "443", false},
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{`http://localhost:https`, "", "", "", true}, // conflict
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{`http://localhost:http`, "", "", "", true}, // repeated scheme
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{`http://localhost:443`, "", "", "", true}, // not conventional
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{`https://localhost:80`, "", "", "", true}, // not conventional
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{`http://localhost`, "http", "localhost", "80", false},
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{`https://localhost`, "https", "localhost", "443", false},
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{`http://127.0.0.1`, "http", "127.0.0.1", "80", false},
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{`https://127.0.0.1`, "https", "127.0.0.1", "443", false},
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{`http://[::1]`, "http", "::1", "80", false},
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{`http://localhost:1234`, "http", "localhost", "1234", false},
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{`https://127.0.0.1:1234`, "https", "127.0.0.1", "1234", false},
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{`http://[::1]:1234`, "http", "::1", "1234", false},
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{``, "", "", "", false},
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{`::1`, "", "::1", "", true},
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{`localhost::`, "", "localhost::", "", true},
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{`#$%@`, "", "#$%@", "", true},
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} {
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actual, err := standardAddress(test.input)
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if err != nil && !test.shouldErr {
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t.Errorf("Test %d (%s): Expected no error, but had error: %v", i, test.input, err)
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}
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if err == nil && test.shouldErr {
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t.Errorf("Test %d (%s): Expected error, but had none", i, test.input)
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}
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if actual.Scheme != test.scheme {
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t.Errorf("Test %d (%s): Expected scheme '%s', got '%s'", i, test.input, test.scheme, actual.Scheme)
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}
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if actual.Host != test.host {
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t.Errorf("Test %d (%s): Expected host '%s', got '%s'", i, test.input, test.host, actual.Host)
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}
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if actual.Port != test.port {
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t.Errorf("Test %d (%s): Expected port '%s', got '%s'", i, test.input, test.port, actual.Port)
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}
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}
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}
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func TestParseOneAndImport(t *testing.T) {
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setupParseTests()
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testParseOne := func(input string) (ServerBlock, error) {
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p := testParser(input)
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p.Next() // parseOne doesn't call Next() to start, so we must
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err := p.parseOne()
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return p.block, err
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}
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for i, test := range []struct {
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input string
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shouldErr bool
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addresses []address
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tokens map[string]int // map of directive name to number of tokens expected
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}{
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{`localhost`, false, []address{
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{"localhost", "", "localhost", ""},
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}, map[string]int{}},
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{`localhost
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dir1`, false, []address{
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{"localhost", "", "localhost", ""},
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}, map[string]int{
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"dir1": 1,
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}},
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{`localhost:1234
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dir1 foo bar`, false, []address{
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{"localhost:1234", "", "localhost", "1234"},
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}, map[string]int{
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"dir1": 3,
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}},
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{`localhost {
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dir1
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}`, false, []address{
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{"localhost", "", "localhost", ""},
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}, map[string]int{
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"dir1": 1,
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}},
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{`localhost:1234 {
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dir1 foo bar
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dir2
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}`, false, []address{
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{"localhost:1234", "", "localhost", "1234"},
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}, map[string]int{
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"dir1": 3,
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"dir2": 1,
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}},
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{`http://localhost https://localhost
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dir1 foo bar`, false, []address{
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{"http://localhost", "http", "localhost", "80"},
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{"https://localhost", "https", "localhost", "443"},
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}, map[string]int{
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"dir1": 3,
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}},
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{`http://localhost https://localhost {
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dir1 foo bar
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}`, false, []address{
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{"http://localhost", "http", "localhost", "80"},
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{"https://localhost", "https", "localhost", "443"},
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}, map[string]int{
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"dir1": 3,
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}},
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{`http://localhost, https://localhost {
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dir1 foo bar
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}`, false, []address{
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{"http://localhost", "http", "localhost", "80"},
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{"https://localhost", "https", "localhost", "443"},
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}, map[string]int{
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"dir1": 3,
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}},
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{`http://localhost, {
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}`, true, []address{
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{"http://localhost", "http", "localhost", "80"},
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}, map[string]int{}},
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{`host1:80, http://host2.com
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dir1 foo bar
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dir2 baz`, false, []address{
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{"host1:80", "", "host1", "80"},
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{"http://host2.com", "http", "host2.com", "80"},
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}, map[string]int{
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"dir1": 3,
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"dir2": 2,
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}},
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{`http://host1.com,
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http://host2.com,
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https://host3.com`, false, []address{
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{"http://host1.com", "http", "host1.com", "80"},
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{"http://host2.com", "http", "host2.com", "80"},
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{"https://host3.com", "https", "host3.com", "443"},
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}, map[string]int{}},
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{`http://host1.com:1234, https://host2.com
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dir1 foo {
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bar baz
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}
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dir2`, false, []address{
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{"http://host1.com:1234", "http", "host1.com", "1234"},
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{"https://host2.com", "https", "host2.com", "443"},
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}, map[string]int{
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"dir1": 6,
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"dir2": 1,
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}},
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{`127.0.0.1
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dir1 {
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bar baz
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}
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dir2 {
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foo bar
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}`, false, []address{
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{"127.0.0.1", "", "127.0.0.1", ""},
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}, map[string]int{
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"dir1": 5,
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"dir2": 5,
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}},
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{`127.0.0.1
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unknown_directive`, true, []address{
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{"127.0.0.1", "", "127.0.0.1", ""},
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}, map[string]int{}},
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{`localhost
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dir1 {
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foo`, true, []address{
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{"localhost", "", "localhost", ""},
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}, map[string]int{
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"dir1": 3,
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}},
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{`localhost
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dir1 {
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}`, false, []address{
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{"localhost", "", "localhost", ""},
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}, map[string]int{
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"dir1": 3,
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}},
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{`localhost
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dir1 {
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} }`, true, []address{
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{"localhost", "", "localhost", ""},
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}, map[string]int{
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"dir1": 3,
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}},
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{`localhost
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dir1 {
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nested {
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foo
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}
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}
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dir2 foo bar`, false, []address{
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{"localhost", "", "localhost", ""},
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}, map[string]int{
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"dir1": 7,
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"dir2": 3,
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}},
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{``, false, []address{}, map[string]int{}},
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{`localhost
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dir1 arg1
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import import_test1.txt`, false, []address{
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{"localhost", "", "localhost", ""},
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}, map[string]int{
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"dir1": 2,
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"dir2": 3,
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"dir3": 1,
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}},
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{`import import_test2.txt`, false, []address{
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{"host1", "", "host1", ""},
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}, map[string]int{
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"dir1": 1,
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"dir2": 2,
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}},
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{`import import_test1.txt import_test2.txt`, true, []address{}, map[string]int{}},
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{`import not_found.txt`, true, []address{}, map[string]int{}},
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{`""`, false, []address{}, map[string]int{}},
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{``, false, []address{}, map[string]int{}},
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} {
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result, err := testParseOne(test.input)
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if test.shouldErr && err == nil {
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t.Errorf("Test %d: Expected an error, but didn't get one", i)
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}
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if !test.shouldErr && err != nil {
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t.Errorf("Test %d: Expected no error, but got: %v", i, err)
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}
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if len(result.Addresses) != len(test.addresses) {
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t.Errorf("Test %d: Expected %d addresses, got %d",
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i, len(test.addresses), len(result.Addresses))
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continue
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}
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for j, addr := range result.Addresses {
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if addr.Host != test.addresses[j].Host {
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t.Errorf("Test %d, address %d: Expected host to be '%s', but was '%s'",
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i, j, test.addresses[j].Host, addr.Host)
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}
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if addr.Port != test.addresses[j].Port {
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t.Errorf("Test %d, address %d: Expected port to be '%s', but was '%s'",
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i, j, test.addresses[j].Port, addr.Port)
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}
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}
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if len(result.Tokens) != len(test.tokens) {
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t.Errorf("Test %d: Expected %d directives, had %d",
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i, len(test.tokens), len(result.Tokens))
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continue
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}
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for directive, tokens := range result.Tokens {
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if len(tokens) != test.tokens[directive] {
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t.Errorf("Test %d, directive '%s': Expected %d tokens, counted %d",
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i, directive, test.tokens[directive], len(tokens))
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continue
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}
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}
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}
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}
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func TestParseAll(t *testing.T) {
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setupParseTests()
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for i, test := range []struct {
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input string
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shouldErr bool
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addresses [][]address // addresses per server block, in order
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}{
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{`localhost`, false, [][]address{
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{{"localhost", "", "localhost", ""}},
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}},
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|
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{`localhost:1234`, false, [][]address{
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{{"localhost:1234", "", "localhost", "1234"}},
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}},
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{`localhost:1234 {
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}
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localhost:2015 {
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}`, false, [][]address{
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{{"localhost:1234", "", "localhost", "1234"}},
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{{"localhost:2015", "", "localhost", "2015"}},
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}},
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{`localhost:1234, http://host2`, false, [][]address{
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{{"localhost:1234", "", "localhost", "1234"}, {"http://host2", "http", "host2", "80"}},
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}},
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{`localhost:1234, http://host2,`, true, [][]address{}},
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{`http://host1.com, http://host2.com {
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}
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https://host3.com, https://host4.com {
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}`, false, [][]address{
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{{"http://host1.com", "http", "host1.com", "80"}, {"http://host2.com", "http", "host2.com", "80"}},
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{{"https://host3.com", "https", "host3.com", "443"}, {"https://host4.com", "https", "host4.com", "443"}},
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}},
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{`import import_glob*.txt`, false, [][]address{
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{{"glob0.host0", "", "glob0.host0", ""}},
|
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{{"glob0.host1", "", "glob0.host1", ""}},
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{{"glob1.host0", "", "glob1.host0", ""}},
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{{"glob2.host0", "", "glob2.host0", ""}},
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}},
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} {
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p := testParser(test.input)
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blocks, err := p.parseAll()
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|
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if test.shouldErr && err == nil {
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||||
t.Errorf("Test %d: Expected an error, but didn't get one", i)
|
||||
}
|
||||
if !test.shouldErr && err != nil {
|
||||
t.Errorf("Test %d: Expected no error, but got: %v", i, err)
|
||||
}
|
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|
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if len(blocks) != len(test.addresses) {
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t.Errorf("Test %d: Expected %d server blocks, got %d",
|
||||
i, len(test.addresses), len(blocks))
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||||
continue
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||||
}
|
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for j, block := range blocks {
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||||
if len(block.Addresses) != len(test.addresses[j]) {
|
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t.Errorf("Test %d: Expected %d addresses in block %d, got %d",
|
||||
i, len(test.addresses[j]), j, len(block.Addresses))
|
||||
continue
|
||||
}
|
||||
for k, addr := range block.Addresses {
|
||||
if addr.Host != test.addresses[j][k].Host {
|
||||
t.Errorf("Test %d, block %d, address %d: Expected host to be '%s', but was '%s'",
|
||||
i, j, k, test.addresses[j][k].Host, addr.Host)
|
||||
}
|
||||
if addr.Port != test.addresses[j][k].Port {
|
||||
t.Errorf("Test %d, block %d, address %d: Expected port to be '%s', but was '%s'",
|
||||
i, j, k, test.addresses[j][k].Port, addr.Port)
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
func TestEnvironmentReplacement(t *testing.T) {
|
||||
setupParseTests()
|
||||
|
||||
os.Setenv("PORT", "8080")
|
||||
os.Setenv("ADDRESS", "servername.com")
|
||||
os.Setenv("FOOBAR", "foobar")
|
||||
|
||||
// basic test; unix-style env vars
|
||||
p := testParser(`{$ADDRESS}`)
|
||||
blocks, _ := p.parseAll()
|
||||
if actual, expected := blocks[0].Addresses[0].Host, "servername.com"; expected != actual {
|
||||
t.Errorf("Expected host to be '%s' but was '%s'", expected, actual)
|
||||
}
|
||||
|
||||
// multiple vars per token
|
||||
p = testParser(`{$ADDRESS}:{$PORT}`)
|
||||
blocks, _ = p.parseAll()
|
||||
if actual, expected := blocks[0].Addresses[0].Host, "servername.com"; expected != actual {
|
||||
t.Errorf("Expected host to be '%s' but was '%s'", expected, actual)
|
||||
}
|
||||
if actual, expected := blocks[0].Addresses[0].Port, "8080"; expected != actual {
|
||||
t.Errorf("Expected port to be '%s' but was '%s'", expected, actual)
|
||||
}
|
||||
|
||||
// windows-style var and unix style in same token
|
||||
p = testParser(`{%ADDRESS%}:{$PORT}`)
|
||||
blocks, _ = p.parseAll()
|
||||
if actual, expected := blocks[0].Addresses[0].Host, "servername.com"; expected != actual {
|
||||
t.Errorf("Expected host to be '%s' but was '%s'", expected, actual)
|
||||
}
|
||||
if actual, expected := blocks[0].Addresses[0].Port, "8080"; expected != actual {
|
||||
t.Errorf("Expected port to be '%s' but was '%s'", expected, actual)
|
||||
}
|
||||
|
||||
// reverse order
|
||||
p = testParser(`{$ADDRESS}:{%PORT%}`)
|
||||
blocks, _ = p.parseAll()
|
||||
if actual, expected := blocks[0].Addresses[0].Host, "servername.com"; expected != actual {
|
||||
t.Errorf("Expected host to be '%s' but was '%s'", expected, actual)
|
||||
}
|
||||
if actual, expected := blocks[0].Addresses[0].Port, "8080"; expected != actual {
|
||||
t.Errorf("Expected port to be '%s' but was '%s'", expected, actual)
|
||||
}
|
||||
|
||||
// env var in server block body as argument
|
||||
p = testParser(":{%PORT%}\ndir1 {$FOOBAR}")
|
||||
blocks, _ = p.parseAll()
|
||||
if actual, expected := blocks[0].Addresses[0].Port, "8080"; expected != actual {
|
||||
t.Errorf("Expected port to be '%s' but was '%s'", expected, actual)
|
||||
}
|
||||
if actual, expected := blocks[0].Tokens["dir1"][1].text, "foobar"; expected != actual {
|
||||
t.Errorf("Expected argument to be '%s' but was '%s'", expected, actual)
|
||||
}
|
||||
|
||||
// combined windows env vars in argument
|
||||
p = testParser(":{%PORT%}\ndir1 {%ADDRESS%}/{%FOOBAR%}")
|
||||
blocks, _ = p.parseAll()
|
||||
if actual, expected := blocks[0].Tokens["dir1"][1].text, "servername.com/foobar"; expected != actual {
|
||||
t.Errorf("Expected argument to be '%s' but was '%s'", expected, actual)
|
||||
}
|
||||
|
||||
// malformed env var (windows)
|
||||
p = testParser(":1234\ndir1 {%ADDRESS}")
|
||||
blocks, _ = p.parseAll()
|
||||
if actual, expected := blocks[0].Tokens["dir1"][1].text, "{%ADDRESS}"; expected != actual {
|
||||
t.Errorf("Expected host to be '%s' but was '%s'", expected, actual)
|
||||
}
|
||||
|
||||
// malformed (non-existent) env var (unix)
|
||||
p = testParser(`:{$PORT$}`)
|
||||
blocks, _ = p.parseAll()
|
||||
if actual, expected := blocks[0].Addresses[0].Port, ""; expected != actual {
|
||||
t.Errorf("Expected port to be '%s' but was '%s'", expected, actual)
|
||||
}
|
||||
|
||||
// in quoted field
|
||||
p = testParser(":1234\ndir1 \"Test {$FOOBAR} test\"")
|
||||
blocks, _ = p.parseAll()
|
||||
if actual, expected := blocks[0].Tokens["dir1"][1].text, "Test foobar test"; expected != actual {
|
||||
t.Errorf("Expected argument to be '%s' but was '%s'", expected, actual)
|
||||
}
|
||||
}
|
||||
|
||||
func setupParseTests() {
|
||||
// Set up some bogus directives for testing
|
||||
ValidDirectives = map[string]struct{}{
|
||||
"dir1": {},
|
||||
"dir2": {},
|
||||
"dir3": {},
|
||||
}
|
||||
}
|
||||
|
||||
func testParser(input string) parser {
|
||||
buf := strings.NewReader(input)
|
||||
p := parser{Dispenser: NewDispenser("Test", buf), checkDirectives: true}
|
||||
return p
|
||||
}
|
||||
Reference in New Issue
Block a user