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nginx-sso/vendor/gopkg.in/yaml.v2/decode_test.go
Knut Ahlers 9a467952cc
Vendor dependencies 
Signed-off-by: Knut Ahlers <knut@ahlers.me>
2018-01-28 15:56:30 +01:00

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package yaml_test
import (
"errors"
. "gopkg.in/check.v1"
"gopkg.in/yaml.v2"
"math"
"net"
"reflect"
"strings"
"time"
)
var unmarshalIntTest = 123
var unmarshalTests = []struct {
data string
value interface{}
}{
{
"",
&struct{}{},
}, {
"{}", &struct{}{},
}, {
"v: hi",
map[string]string{"v": "hi"},
}, {
"v: hi", map[string]interface{}{"v": "hi"},
}, {
"v: true",
map[string]string{"v": "true"},
}, {
"v: true",
map[string]interface{}{"v": true},
}, {
"v: 10",
map[string]interface{}{"v": 10},
}, {
"v: 0b10",
map[string]interface{}{"v": 2},
}, {
"v: 0xA",
map[string]interface{}{"v": 10},
}, {
"v: 4294967296",
map[string]int64{"v": 4294967296},
}, {
"v: 0.1",
map[string]interface{}{"v": 0.1},
}, {
"v: .1",
map[string]interface{}{"v": 0.1},
}, {
"v: .Inf",
map[string]interface{}{"v": math.Inf(+1)},
}, {
"v: -.Inf",
map[string]interface{}{"v": math.Inf(-1)},
}, {
"v: -10",
map[string]interface{}{"v": -10},
}, {
"v: -.1",
map[string]interface{}{"v": -0.1},
},
// Simple values.
{
"123",
&unmarshalIntTest,
},
// Floats from spec
{
"canonical: 6.8523e+5",
map[string]interface{}{"canonical": 6.8523e+5},
}, {
"expo: 685.230_15e+03",
map[string]interface{}{"expo": 685.23015e+03},
}, {
"fixed: 685_230.15",
map[string]interface{}{"fixed": 685230.15},
}, {
"neginf: -.inf",
map[string]interface{}{"neginf": math.Inf(-1)},
}, {
"fixed: 685_230.15",
map[string]float64{"fixed": 685230.15},
},
//{"sexa: 190:20:30.15", map[string]interface{}{"sexa": 0}}, // Unsupported
//{"notanum: .NaN", map[string]interface{}{"notanum": math.NaN()}}, // Equality of NaN fails.
// Bools from spec
{
"canonical: y",
map[string]interface{}{"canonical": true},
}, {
"answer: NO",
map[string]interface{}{"answer": false},
}, {
"logical: True",
map[string]interface{}{"logical": true},
}, {
"option: on",
map[string]interface{}{"option": true},
}, {
"option: on",
map[string]bool{"option": true},
},
// Ints from spec
{
"canonical: 685230",
map[string]interface{}{"canonical": 685230},
}, {
"decimal: +685_230",
map[string]interface{}{"decimal": 685230},
}, {
"octal: 02472256",
map[string]interface{}{"octal": 685230},
}, {
"hexa: 0x_0A_74_AE",
map[string]interface{}{"hexa": 685230},
}, {
"bin: 0b1010_0111_0100_1010_1110",
map[string]interface{}{"bin": 685230},
}, {
"bin: -0b101010",
map[string]interface{}{"bin": -42},
}, {
"decimal: +685_230",
map[string]int{"decimal": 685230},
},
//{"sexa: 190:20:30", map[string]interface{}{"sexa": 0}}, // Unsupported
// Nulls from spec
{
"empty:",
map[string]interface{}{"empty": nil},
}, {
"canonical: ~",
map[string]interface{}{"canonical": nil},
}, {
"english: null",
map[string]interface{}{"english": nil},
}, {
"~: null key",
map[interface{}]string{nil: "null key"},
}, {
"empty:",
map[string]*bool{"empty": nil},
},
// Flow sequence
{
"seq: [A,B]",
map[string]interface{}{"seq": []interface{}{"A", "B"}},
}, {
"seq: [A,B,C,]",
map[string][]string{"seq": []string{"A", "B", "C"}},
}, {
"seq: [A,1,C]",
map[string][]string{"seq": []string{"A", "1", "C"}},
}, {
"seq: [A,1,C]",
map[string][]int{"seq": []int{1}},
}, {
"seq: [A,1,C]",
map[string]interface{}{"seq": []interface{}{"A", 1, "C"}},
},
// Block sequence
{
"seq:\n - A\n - B",
map[string]interface{}{"seq": []interface{}{"A", "B"}},
}, {
"seq:\n - A\n - B\n - C",
map[string][]string{"seq": []string{"A", "B", "C"}},
}, {
"seq:\n - A\n - 1\n - C",
map[string][]string{"seq": []string{"A", "1", "C"}},
}, {
"seq:\n - A\n - 1\n - C",
map[string][]int{"seq": []int{1}},
}, {
"seq:\n - A\n - 1\n - C",
map[string]interface{}{"seq": []interface{}{"A", 1, "C"}},
},
// Literal block scalar
{
"scalar: | # Comment\n\n literal\n\n \ttext\n\n",
map[string]string{"scalar": "\nliteral\n\n\ttext\n"},
},
// Folded block scalar
{
"scalar: > # Comment\n\n folded\n line\n \n next\n line\n * one\n * two\n\n last\n line\n\n",
map[string]string{"scalar": "\nfolded line\nnext line\n * one\n * two\n\nlast line\n"},
},
// Map inside interface with no type hints.
{
"a: {b: c}",
map[interface{}]interface{}{"a": map[interface{}]interface{}{"b": "c"}},
},
// Structs and type conversions.
{
"hello: world",
&struct{ Hello string }{"world"},
}, {
"a: {b: c}",
&struct{ A struct{ B string } }{struct{ B string }{"c"}},
}, {
"a: {b: c}",
&struct{ A *struct{ B string } }{&struct{ B string }{"c"}},
}, {
"a: {b: c}",
&struct{ A map[string]string }{map[string]string{"b": "c"}},
}, {
"a: {b: c}",
&struct{ A *map[string]string }{&map[string]string{"b": "c"}},
}, {
"a:",
&struct{ A map[string]string }{},
}, {
"a: 1",
&struct{ A int }{1},
}, {
"a: 1",
&struct{ A float64 }{1},
}, {
"a: 1.0",
&struct{ A int }{1},
}, {
"a: 1.0",
&struct{ A uint }{1},
}, {
"a: [1, 2]",
&struct{ A []int }{[]int{1, 2}},
}, {
"a: 1",
&struct{ B int }{0},
}, {
"a: 1",
&struct {
B int "a"
}{1},
}, {
"a: y",
&struct{ A bool }{true},
},
// Some cross type conversions
{
"v: 42",
map[string]uint{"v": 42},
}, {
"v: -42",
map[string]uint{},
}, {
"v: 4294967296",
map[string]uint64{"v": 4294967296},
}, {
"v: -4294967296",
map[string]uint64{},
},
// int
{
"int_max: 2147483647",
map[string]int{"int_max": math.MaxInt32},
},
{
"int_min: -2147483648",
map[string]int{"int_min": math.MinInt32},
},
{
"int_overflow: 9223372036854775808", // math.MaxInt64 + 1
map[string]int{},
},
// int64
{
"int64_max: 9223372036854775807",
map[string]int64{"int64_max": math.MaxInt64},
},
{
"int64_max_base2: 0b111111111111111111111111111111111111111111111111111111111111111",
map[string]int64{"int64_max_base2": math.MaxInt64},
},
{
"int64_min: -9223372036854775808",
map[string]int64{"int64_min": math.MinInt64},
},
{
"int64_neg_base2: -0b111111111111111111111111111111111111111111111111111111111111111",
map[string]int64{"int64_neg_base2": -math.MaxInt64},
},
{
"int64_overflow: 9223372036854775808", // math.MaxInt64 + 1
map[string]int64{},
},
// uint
{
"uint_min: 0",
map[string]uint{"uint_min": 0},
},
{
"uint_max: 4294967295",
map[string]uint{"uint_max": math.MaxUint32},
},
{
"uint_underflow: -1",
map[string]uint{},
},
// uint64
{
"uint64_min: 0",
map[string]uint{"uint64_min": 0},
},
{
"uint64_max: 18446744073709551615",
map[string]uint64{"uint64_max": math.MaxUint64},
},
{
"uint64_max_base2: 0b1111111111111111111111111111111111111111111111111111111111111111",
map[string]uint64{"uint64_max_base2": math.MaxUint64},
},
{
"uint64_maxint64: 9223372036854775807",
map[string]uint64{"uint64_maxint64": math.MaxInt64},
},
{
"uint64_underflow: -1",
map[string]uint64{},
},
// float32
{
"float32_max: 3.40282346638528859811704183484516925440e+38",
map[string]float32{"float32_max": math.MaxFloat32},
},
{
"float32_nonzero: 1.401298464324817070923729583289916131280e-45",
map[string]float32{"float32_nonzero": math.SmallestNonzeroFloat32},
},
{
"float32_maxuint64: 18446744073709551615",
map[string]float32{"float32_maxuint64": float32(math.MaxUint64)},
},
{
"float32_maxuint64+1: 18446744073709551616",
map[string]float32{"float32_maxuint64+1": float32(math.MaxUint64 + 1)},
},
// float64
{
"float64_max: 1.797693134862315708145274237317043567981e+308",
map[string]float64{"float64_max": math.MaxFloat64},
},
{
"float64_nonzero: 4.940656458412465441765687928682213723651e-324",
map[string]float64{"float64_nonzero": math.SmallestNonzeroFloat64},
},
{
"float64_maxuint64: 18446744073709551615",
map[string]float64{"float64_maxuint64": float64(math.MaxUint64)},
},
{
"float64_maxuint64+1: 18446744073709551616",
map[string]float64{"float64_maxuint64+1": float64(math.MaxUint64 + 1)},
},
// Overflow cases.
{
"v: 4294967297",
map[string]int32{},
}, {
"v: 128",
map[string]int8{},
},
// Quoted values.
{
"'1': '\"2\"'",
map[interface{}]interface{}{"1": "\"2\""},
}, {
"v:\n- A\n- 'B\n\n C'\n",
map[string][]string{"v": []string{"A", "B\nC"}},
},
// Explicit tags.
{
"v: !!float '1.1'",
map[string]interface{}{"v": 1.1},
}, {
"v: !!null ''",
map[string]interface{}{"v": nil},
}, {
"%TAG !y! tag:yaml.org,2002:\n---\nv: !y!int '1'",
map[string]interface{}{"v": 1},
},
// Non-specific tag (Issue #75)
{
"v: ! test",
map[string]interface{}{"v": "test"},
},
// Anchors and aliases.
{
"a: &x 1\nb: &y 2\nc: *x\nd: *y\n",
&struct{ A, B, C, D int }{1, 2, 1, 2},
}, {
"a: &a {c: 1}\nb: *a",
&struct {
A, B struct {
C int
}
}{struct{ C int }{1}, struct{ C int }{1}},
}, {
"a: &a [1, 2]\nb: *a",
&struct{ B []int }{[]int{1, 2}},
}, {
"b: *a\na: &a {c: 1}",
&struct {
A, B struct {
C int
}
}{struct{ C int }{1}, struct{ C int }{1}},
},
// Bug #1133337
{
"foo: ''",
map[string]*string{"foo": new(string)},
}, {
"foo: null",
map[string]*string{"foo": nil},
}, {
"foo: null",
map[string]string{"foo": ""},
}, {
"foo: null",
map[string]interface{}{"foo": nil},
},
// Support for ~
{
"foo: ~",
map[string]*string{"foo": nil},
}, {
"foo: ~",
map[string]string{"foo": ""},
}, {
"foo: ~",
map[string]interface{}{"foo": nil},
},
// Ignored field
{
"a: 1\nb: 2\n",
&struct {
A int
B int "-"
}{1, 0},
},
// Bug #1191981
{
"" +
"%YAML 1.1\n" +
"--- !!str\n" +
`"Generic line break (no glyph)\n\` + "\n" +
` Generic line break (glyphed)\n\` + "\n" +
` Line separator\u2028\` + "\n" +
` Paragraph separator\u2029"` + "\n",
"" +
"Generic line break (no glyph)\n" +
"Generic line break (glyphed)\n" +
"Line separator\u2028Paragraph separator\u2029",
},
// Struct inlining
{
"a: 1\nb: 2\nc: 3\n",
&struct {
A int
C inlineB `yaml:",inline"`
}{1, inlineB{2, inlineC{3}}},
},
// Map inlining
{
"a: 1\nb: 2\nc: 3\n",
&struct {
A int
C map[string]int `yaml:",inline"`
}{1, map[string]int{"b": 2, "c": 3}},
},
// bug 1243827
{
"a: -b_c",
map[string]interface{}{"a": "-b_c"},
},
{
"a: +b_c",
map[string]interface{}{"a": "+b_c"},
},
{
"a: 50cent_of_dollar",
map[string]interface{}{"a": "50cent_of_dollar"},
},
// Duration
{
"a: 3s",
map[string]time.Duration{"a": 3 * time.Second},
},
// Issue #24.
{
"a: <foo>",
map[string]string{"a": "<foo>"},
},
// Base 60 floats are obsolete and unsupported.
{
"a: 1:1\n",
map[string]string{"a": "1:1"},
},
// Binary data.
{
"a: !!binary gIGC\n",
map[string]string{"a": "\x80\x81\x82"},
}, {
"a: !!binary |\n " + strings.Repeat("kJCQ", 17) + "kJ\n CQ\n",
map[string]string{"a": strings.Repeat("\x90", 54)},
}, {
"a: !!binary |\n " + strings.Repeat("A", 70) + "\n ==\n",
map[string]string{"a": strings.Repeat("\x00", 52)},
},
// Ordered maps.
{
"{b: 2, a: 1, d: 4, c: 3, sub: {e: 5}}",
&yaml.MapSlice{{"b", 2}, {"a", 1}, {"d", 4}, {"c", 3}, {"sub", yaml.MapSlice{{"e", 5}}}},
},
// Issue #39.
{
"a:\n b:\n c: d\n",
map[string]struct{ B interface{} }{"a": {map[interface{}]interface{}{"c": "d"}}},
},
// Custom map type.
{
"a: {b: c}",
M{"a": M{"b": "c"}},
},
// Support encoding.TextUnmarshaler.
{
"a: 1.2.3.4\n",
map[string]net.IP{"a": net.IPv4(1, 2, 3, 4)},
},
{
"a: 2015-02-24T18:19:39Z\n",
map[string]time.Time{"a": time.Unix(1424801979, 0).In(time.UTC)},
},
// Encode empty lists as zero-length slices.
{
"a: []",
&struct{ A []int }{[]int{}},
},
// UTF-16-LE
{
"\xff\xfe\xf1\x00o\x00\xf1\x00o\x00:\x00 \x00v\x00e\x00r\x00y\x00 \x00y\x00e\x00s\x00\n\x00",
M{"ñoño": "very yes"},
},
// UTF-16-LE with surrogate.
{
"\xff\xfe\xf1\x00o\x00\xf1\x00o\x00:\x00 \x00v\x00e\x00r\x00y\x00 \x00y\x00e\x00s\x00 \x00=\xd8\xd4\xdf\n\x00",
M{"ñoño": "very yes 🟔"},
},
// UTF-16-BE
{
"\xfe\xff\x00\xf1\x00o\x00\xf1\x00o\x00:\x00 \x00v\x00e\x00r\x00y\x00 \x00y\x00e\x00s\x00\n",
M{"ñoño": "very yes"},
},
// UTF-16-BE with surrogate.
{
"\xfe\xff\x00\xf1\x00o\x00\xf1\x00o\x00:\x00 \x00v\x00e\x00r\x00y\x00 \x00y\x00e\x00s\x00 \xd8=\xdf\xd4\x00\n",
M{"ñoño": "very yes 🟔"},
},
// YAML Float regex shouldn't match this
{
"a: 123456e1\n",
M{"a": "123456e1"},
}, {
"a: 123456E1\n",
M{"a": "123456E1"},
},
}
type M map[interface{}]interface{}
type inlineB struct {
B int
inlineC `yaml:",inline"`
}
type inlineC struct {
C int
}
func (s *S) TestUnmarshal(c *C) {
for i, item := range unmarshalTests {
c.Logf("test %d: %q", i, item.data)
t := reflect.ValueOf(item.value).Type()
var value interface{}
switch t.Kind() {
case reflect.Map:
value = reflect.MakeMap(t).Interface()
case reflect.String:
value = reflect.New(t).Interface()
case reflect.Ptr:
value = reflect.New(t.Elem()).Interface()
default:
c.Fatalf("missing case for %s", t)
}
err := yaml.Unmarshal([]byte(item.data), value)
if _, ok := err.(*yaml.TypeError); !ok {
c.Assert(err, IsNil)
}
if t.Kind() == reflect.String {
c.Assert(*value.(*string), Equals, item.value)
} else {
c.Assert(value, DeepEquals, item.value)
}
}
}
func (s *S) TestUnmarshalNaN(c *C) {
value := map[string]interface{}{}
err := yaml.Unmarshal([]byte("notanum: .NaN"), &value)
c.Assert(err, IsNil)
c.Assert(math.IsNaN(value["notanum"].(float64)), Equals, true)
}
var unmarshalErrorTests = []struct {
data, error string
}{
{"v: !!float 'error'", "yaml: cannot decode !!str `error` as a !!float"},
{"v: [A,", "yaml: line 1: did not find expected node content"},
{"v:\n- [A,", "yaml: line 2: did not find expected node content"},
{"a: *b\n", "yaml: unknown anchor 'b' referenced"},
{"a: &a\n b: *a\n", "yaml: anchor 'a' value contains itself"},
{"value: -", "yaml: block sequence entries are not allowed in this context"},
{"a: !!binary ==", "yaml: !!binary value contains invalid base64 data"},
{"{[.]}", `yaml: invalid map key: \[\]interface \{\}\{"\."\}`},
{"{{.}}", `yaml: invalid map key: map\[interface\ \{\}\]interface \{\}\{".":interface \{\}\(nil\)\}`},
{"%TAG !%79! tag:yaml.org,2002:\n---\nv: !%79!int '1'", "yaml: did not find expected whitespace"},
}
func (s *S) TestUnmarshalErrors(c *C) {
for _, item := range unmarshalErrorTests {
var value interface{}
err := yaml.Unmarshal([]byte(item.data), &value)
c.Assert(err, ErrorMatches, item.error, Commentf("Partial unmarshal: %#v", value))
}
}
var unmarshalerTests = []struct {
data, tag string
value interface{}
}{
{"_: {hi: there}", "!!map", map[interface{}]interface{}{"hi": "there"}},
{"_: [1,A]", "!!seq", []interface{}{1, "A"}},
{"_: 10", "!!int", 10},
{"_: null", "!!null", nil},
{`_: BAR!`, "!!str", "BAR!"},
{`_: "BAR!"`, "!!str", "BAR!"},
{"_: !!foo 'BAR!'", "!!foo", "BAR!"},
{`_: ""`, "!!str", ""},
}
var unmarshalerResult = map[int]error{}
type unmarshalerType struct {
value interface{}
}
func (o *unmarshalerType) UnmarshalYAML(unmarshal func(v interface{}) error) error {
if err := unmarshal(&o.value); err != nil {
return err
}
if i, ok := o.value.(int); ok {
if result, ok := unmarshalerResult[i]; ok {
return result
}
}
return nil
}
type unmarshalerPointer struct {
Field *unmarshalerType "_"
}
type unmarshalerValue struct {
Field unmarshalerType "_"
}
func (s *S) TestUnmarshalerPointerField(c *C) {
for _, item := range unmarshalerTests {
obj := &unmarshalerPointer{}
err := yaml.Unmarshal([]byte(item.data), obj)
c.Assert(err, IsNil)
if item.value == nil {
c.Assert(obj.Field, IsNil)
} else {
c.Assert(obj.Field, NotNil, Commentf("Pointer not initialized (%#v)", item.value))
c.Assert(obj.Field.value, DeepEquals, item.value)
}
}
}
func (s *S) TestUnmarshalerValueField(c *C) {
for _, item := range unmarshalerTests {
obj := &unmarshalerValue{}
err := yaml.Unmarshal([]byte(item.data), obj)
c.Assert(err, IsNil)
c.Assert(obj.Field, NotNil, Commentf("Pointer not initialized (%#v)", item.value))
c.Assert(obj.Field.value, DeepEquals, item.value)
}
}
func (s *S) TestUnmarshalerWholeDocument(c *C) {
obj := &unmarshalerType{}
err := yaml.Unmarshal([]byte(unmarshalerTests[0].data), obj)
c.Assert(err, IsNil)
value, ok := obj.value.(map[interface{}]interface{})
c.Assert(ok, Equals, true, Commentf("value: %#v", obj.value))
c.Assert(value["_"], DeepEquals, unmarshalerTests[0].value)
}
func (s *S) TestUnmarshalerTypeError(c *C) {
unmarshalerResult[2] = &yaml.TypeError{[]string{"foo"}}
unmarshalerResult[4] = &yaml.TypeError{[]string{"bar"}}
defer func() {
delete(unmarshalerResult, 2)
delete(unmarshalerResult, 4)
}()
type T struct {
Before int
After int
M map[string]*unmarshalerType
}
var v T
data := `{before: A, m: {abc: 1, def: 2, ghi: 3, jkl: 4}, after: B}`
err := yaml.Unmarshal([]byte(data), &v)
c.Assert(err, ErrorMatches, ""+
"yaml: unmarshal errors:\n"+
" line 1: cannot unmarshal !!str `A` into int\n"+
" foo\n"+
" bar\n"+
" line 1: cannot unmarshal !!str `B` into int")
c.Assert(v.M["abc"], NotNil)
c.Assert(v.M["def"], IsNil)
c.Assert(v.M["ghi"], NotNil)
c.Assert(v.M["jkl"], IsNil)
c.Assert(v.M["abc"].value, Equals, 1)
c.Assert(v.M["ghi"].value, Equals, 3)
}
type proxyTypeError struct{}
func (v *proxyTypeError) UnmarshalYAML(unmarshal func(interface{}) error) error {
var s string
var a int32
var b int64
if err := unmarshal(&s); err != nil {
panic(err)
}
if s == "a" {
if err := unmarshal(&b); err == nil {
panic("should have failed")
}
return unmarshal(&a)
}
if err := unmarshal(&a); err == nil {
panic("should have failed")
}
return unmarshal(&b)
}
func (s *S) TestUnmarshalerTypeErrorProxying(c *C) {
type T struct {
Before int
After int
M map[string]*proxyTypeError
}
var v T
data := `{before: A, m: {abc: a, def: b}, after: B}`
err := yaml.Unmarshal([]byte(data), &v)
c.Assert(err, ErrorMatches, ""+
"yaml: unmarshal errors:\n"+
" line 1: cannot unmarshal !!str `A` into int\n"+
" line 1: cannot unmarshal !!str `a` into int32\n"+
" line 1: cannot unmarshal !!str `b` into int64\n"+
" line 1: cannot unmarshal !!str `B` into int")
}
type failingUnmarshaler struct{}
var failingErr = errors.New("failingErr")
func (ft *failingUnmarshaler) UnmarshalYAML(unmarshal func(interface{}) error) error {
return failingErr
}
func (s *S) TestUnmarshalerError(c *C) {
err := yaml.Unmarshal([]byte("a: b"), &failingUnmarshaler{})
c.Assert(err, Equals, failingErr)
}
type sliceUnmarshaler []int
func (su *sliceUnmarshaler) UnmarshalYAML(unmarshal func(interface{}) error) error {
var slice []int
err := unmarshal(&slice)
if err == nil {
*su = slice
return nil
}
var intVal int
err = unmarshal(&intVal)
if err == nil {
*su = []int{intVal}
return nil
}
return err
}
func (s *S) TestUnmarshalerRetry(c *C) {
var su sliceUnmarshaler
err := yaml.Unmarshal([]byte("[1, 2, 3]"), &su)
c.Assert(err, IsNil)
c.Assert(su, DeepEquals, sliceUnmarshaler([]int{1, 2, 3}))
err = yaml.Unmarshal([]byte("1"), &su)
c.Assert(err, IsNil)
c.Assert(su, DeepEquals, sliceUnmarshaler([]int{1}))
}
// From http://yaml.org/type/merge.html
var mergeTests = `
anchors:
list:
- &CENTER { "x": 1, "y": 2 }
- &LEFT { "x": 0, "y": 2 }
- &BIG { "r": 10 }
- &SMALL { "r": 1 }
# All the following maps are equal:
plain:
# Explicit keys
"x": 1
"y": 2
"r": 10
label: center/big
mergeOne:
# Merge one map
<< : *CENTER
"r": 10
label: center/big
mergeMultiple:
# Merge multiple maps
<< : [ *CENTER, *BIG ]
label: center/big
override:
# Override
<< : [ *BIG, *LEFT, *SMALL ]
"x": 1
label: center/big
shortTag:
# Explicit short merge tag
!!merge "<<" : [ *CENTER, *BIG ]
label: center/big
longTag:
# Explicit merge long tag
!<tag:yaml.org,2002:merge> "<<" : [ *CENTER, *BIG ]
label: center/big
inlineMap:
# Inlined map
<< : {"x": 1, "y": 2, "r": 10}
label: center/big
inlineSequenceMap:
# Inlined map in sequence
<< : [ *CENTER, {"r": 10} ]
label: center/big
`
func (s *S) TestMerge(c *C) {
var want = map[interface{}]interface{}{
"x": 1,
"y": 2,
"r": 10,
"label": "center/big",
}
var m map[interface{}]interface{}
err := yaml.Unmarshal([]byte(mergeTests), &m)
c.Assert(err, IsNil)
for name, test := range m {
if name == "anchors" {
continue
}
c.Assert(test, DeepEquals, want, Commentf("test %q failed", name))
}
}
func (s *S) TestMergeStruct(c *C) {
type Data struct {
X, Y, R int
Label string
}
want := Data{1, 2, 10, "center/big"}
var m map[string]Data
err := yaml.Unmarshal([]byte(mergeTests), &m)
c.Assert(err, IsNil)
for name, test := range m {
if name == "anchors" {
continue
}
c.Assert(test, Equals, want, Commentf("test %q failed", name))
}
}
var unmarshalNullTests = []func() interface{}{
func() interface{} { var v interface{}; v = "v"; return &v },
func() interface{} { var s = "s"; return &s },
func() interface{} { var s = "s"; sptr := &s; return &sptr },
func() interface{} { var i = 1; return &i },
func() interface{} { var i = 1; iptr := &i; return &iptr },
func() interface{} { m := map[string]int{"s": 1}; return &m },
func() interface{} { m := map[string]int{"s": 1}; return m },
}
func (s *S) TestUnmarshalNull(c *C) {
for _, test := range unmarshalNullTests {
item := test()
zero := reflect.Zero(reflect.TypeOf(item).Elem()).Interface()
err := yaml.Unmarshal([]byte("null"), item)
c.Assert(err, IsNil)
if reflect.TypeOf(item).Kind() == reflect.Map {
c.Assert(reflect.ValueOf(item).Interface(), DeepEquals, reflect.MakeMap(reflect.TypeOf(item)).Interface())
} else {
c.Assert(reflect.ValueOf(item).Elem().Interface(), DeepEquals, zero)
}
}
}
func (s *S) TestUnmarshalSliceOnPreset(c *C) {
// Issue #48.
v := struct{ A []int }{[]int{1}}
yaml.Unmarshal([]byte("a: [2]"), &v)
c.Assert(v.A, DeepEquals, []int{2})
}
func (s *S) TestUnmarshalStrict(c *C) {
v := struct{ A, B int }{}
err := yaml.UnmarshalStrict([]byte("a: 1\nb: 2"), &v)
c.Check(err, IsNil)
err = yaml.Unmarshal([]byte("a: 1\nb: 2\nc: 3"), &v)
c.Check(err, IsNil)
err = yaml.UnmarshalStrict([]byte("a: 1\nb: 2\nc: 3"), &v)
c.Check(err, ErrorMatches, "yaml: unmarshal errors:\n line 3: field c not found in struct struct { A int; B int }")
}
//var data []byte
//func init() {
// var err error
// data, err = ioutil.ReadFile("/tmp/file.yaml")
// if err != nil {
// panic(err)
// }
//}
//
//func (s *S) BenchmarkUnmarshal(c *C) {
// var err error
// for i := 0; i < c.N; i++ {
// var v map[string]interface{}
// err = yaml.Unmarshal(data, &v)
// }
// if err != nil {
// panic(err)
// }
//}
//
//func (s *S) BenchmarkMarshal(c *C) {
// var v map[string]interface{}
// yaml.Unmarshal(data, &v)
// c.ResetTimer()
// for i := 0; i < c.N; i++ {
// yaml.Marshal(&v)
// }
//}
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