380 lines
6.7 KiB
Go
380 lines
6.7 KiB
Go
package goyaml_test
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import (
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"fmt"
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. "launchpad.net/gocheck"
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"github.com/coreos/coreos-cloudinit/third_party/launchpad.net/goyaml"
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"math"
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"strconv"
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"strings"
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)
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var marshalIntTest = 123
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var marshalTests = []struct {
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value interface{}
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data string
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}{
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{
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&struct{}{},
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"{}\n",
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}, {
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map[string]string{"v": "hi"},
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"v: hi\n",
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}, {
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map[string]interface{}{"v": "hi"},
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"v: hi\n",
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}, {
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map[string]string{"v": "true"},
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"v: \"true\"\n",
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}, {
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map[string]string{"v": "false"},
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"v: \"false\"\n",
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}, {
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map[string]interface{}{"v": true},
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"v: true\n",
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}, {
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map[string]interface{}{"v": false},
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"v: false\n",
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}, {
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map[string]interface{}{"v": 10},
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"v: 10\n",
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}, {
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map[string]interface{}{"v": -10},
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"v: -10\n",
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}, {
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map[string]uint{"v": 42},
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"v: 42\n",
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}, {
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map[string]interface{}{"v": int64(4294967296)},
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"v: 4294967296\n",
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}, {
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map[string]int64{"v": int64(4294967296)},
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"v: 4294967296\n",
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}, {
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map[string]uint64{"v": 4294967296},
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"v: 4294967296\n",
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}, {
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map[string]interface{}{"v": "10"},
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"v: \"10\"\n",
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}, {
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map[string]interface{}{"v": 0.1},
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"v: 0.1\n",
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}, {
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map[string]interface{}{"v": float64(0.1)},
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"v: 0.1\n",
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}, {
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map[string]interface{}{"v": -0.1},
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"v: -0.1\n",
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}, {
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map[string]interface{}{"v": math.Inf(+1)},
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"v: .inf\n",
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}, {
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map[string]interface{}{"v": math.Inf(-1)},
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"v: -.inf\n",
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}, {
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map[string]interface{}{"v": math.NaN()},
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"v: .nan\n",
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}, {
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map[string]interface{}{"v": nil},
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"v: null\n",
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}, {
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map[string]interface{}{"v": ""},
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"v: \"\"\n",
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}, {
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map[string][]string{"v": []string{"A", "B"}},
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"v:\n- A\n- B\n",
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}, {
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map[string][]string{"v": []string{"A", "B\nC"}},
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"v:\n- A\n- 'B\n\n C'\n",
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}, {
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map[string][]interface{}{"v": []interface{}{"A", 1, map[string][]int{"B": []int{2, 3}}}},
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"v:\n- A\n- 1\n- B:\n - 2\n - 3\n",
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}, {
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map[string]interface{}{"a": map[interface{}]interface{}{"b": "c"}},
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"a:\n b: c\n",
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}, {
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map[string]interface{}{"a": "-"},
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"a: '-'\n",
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},
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// Simple values.
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{
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&marshalIntTest,
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"123\n",
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},
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// Structures
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{
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&struct{ Hello string }{"world"},
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"hello: world\n",
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}, {
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&struct {
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A struct {
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B string
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}
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}{struct{ B string }{"c"}},
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"a:\n b: c\n",
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}, {
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&struct {
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A *struct {
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B string
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}
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}{&struct{ B string }{"c"}},
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"a:\n b: c\n",
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}, {
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&struct {
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A *struct {
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B string
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}
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}{},
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"a: null\n",
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}, {
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&struct{ A int }{1},
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"a: 1\n",
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}, {
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&struct{ A []int }{[]int{1, 2}},
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"a:\n- 1\n- 2\n",
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}, {
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&struct {
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B int "a"
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}{1},
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"a: 1\n",
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}, {
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&struct{ A bool }{true},
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"a: true\n",
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},
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// Conditional flag
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{
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&struct {
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A int "a,omitempty"
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B int "b,omitempty"
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}{1, 0},
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"a: 1\n",
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}, {
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&struct {
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A int "a,omitempty"
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B int "b,omitempty"
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}{0, 0},
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"{}\n",
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}, {
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&struct {
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A *struct{ X int } "a,omitempty"
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B int "b,omitempty"
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}{nil, 0},
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"{}\n",
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},
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// Flow flag
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{
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&struct {
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A []int "a,flow"
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}{[]int{1, 2}},
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"a: [1, 2]\n",
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}, {
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&struct {
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A map[string]string "a,flow"
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}{map[string]string{"b": "c", "d": "e"}},
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"a: {b: c, d: e}\n",
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}, {
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&struct {
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A struct {
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B, D string
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} "a,flow"
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}{struct{ B, D string }{"c", "e"}},
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"a: {b: c, d: e}\n",
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},
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// Unexported field
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{
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&struct {
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u int
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A int
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}{0, 1},
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"a: 1\n",
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},
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// Ignored field
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{
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&struct {
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A int
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B int "-"
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}{1, 2},
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"a: 1\n",
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},
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// Struct inlining
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{
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&struct {
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A int
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C inlineB `yaml:",inline"`
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}{1, inlineB{2, inlineC{3}}},
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"a: 1\nb: 2\nc: 3\n",
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},
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}
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func (s *S) TestMarshal(c *C) {
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for _, item := range marshalTests {
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data, err := goyaml.Marshal(item.value)
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c.Assert(err, IsNil)
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c.Assert(string(data), Equals, item.data)
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}
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}
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var marshalErrorTests = []struct {
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value interface{}
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error string
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}{
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{
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&struct {
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B int
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inlineB ",inline"
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}{1, inlineB{2, inlineC{3}}},
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`Duplicated key 'b' in struct struct \{ B int; .*`,
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},
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}
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func (s *S) TestMarshalErrors(c *C) {
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for _, item := range marshalErrorTests {
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_, err := goyaml.Marshal(item.value)
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c.Assert(err, ErrorMatches, item.error)
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}
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}
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var marshalTaggedIfaceTest interface{} = &struct{ A string }{"B"}
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var getterTests = []struct {
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data, tag string
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value interface{}
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}{
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{"_:\n hi: there\n", "", map[interface{}]interface{}{"hi": "there"}},
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{"_:\n- 1\n- A\n", "", []interface{}{1, "A"}},
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{"_: 10\n", "", 10},
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{"_: null\n", "", nil},
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{"_: !foo BAR!\n", "!foo", "BAR!"},
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{"_: !foo 1\n", "!foo", "1"},
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{"_: !foo '\"1\"'\n", "!foo", "\"1\""},
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{"_: !foo 1.1\n", "!foo", 1.1},
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{"_: !foo 1\n", "!foo", 1},
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{"_: !foo 1\n", "!foo", uint(1)},
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{"_: !foo true\n", "!foo", true},
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{"_: !foo\n- A\n- B\n", "!foo", []string{"A", "B"}},
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{"_: !foo\n A: B\n", "!foo", map[string]string{"A": "B"}},
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{"_: !foo\n a: B\n", "!foo", &marshalTaggedIfaceTest},
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}
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func (s *S) TestMarshalTypeCache(c *C) {
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var data []byte
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var err error
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func() {
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type T struct{ A int }
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data, err = goyaml.Marshal(&T{})
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c.Assert(err, IsNil)
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}()
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func() {
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type T struct{ B int }
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data, err = goyaml.Marshal(&T{})
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c.Assert(err, IsNil)
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}()
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c.Assert(string(data), Equals, "b: 0\n")
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}
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type typeWithGetter struct {
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tag string
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value interface{}
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}
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func (o typeWithGetter) GetYAML() (tag string, value interface{}) {
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return o.tag, o.value
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}
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type typeWithGetterField struct {
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Field typeWithGetter "_"
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}
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func (s *S) TestMashalWithGetter(c *C) {
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for _, item := range getterTests {
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obj := &typeWithGetterField{}
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obj.Field.tag = item.tag
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obj.Field.value = item.value
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data, err := goyaml.Marshal(obj)
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c.Assert(err, IsNil)
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c.Assert(string(data), Equals, string(item.data))
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}
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}
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func (s *S) TestUnmarshalWholeDocumentWithGetter(c *C) {
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obj := &typeWithGetter{}
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obj.tag = ""
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obj.value = map[string]string{"hello": "world!"}
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data, err := goyaml.Marshal(obj)
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c.Assert(err, IsNil)
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c.Assert(string(data), Equals, "hello: world!\n")
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}
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func (s *S) TestSortedOutput(c *C) {
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order := []interface{}{
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false,
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true,
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1,
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uint(1),
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1.0,
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1.1,
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1.2,
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2,
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uint(2),
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2.0,
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2.1,
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"",
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".1",
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".2",
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".a",
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"1",
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"2",
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"a!10",
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"a/2",
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"a/10",
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"a~10",
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"ab/1",
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"b/1",
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"b/01",
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"b/2",
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"b/02",
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"b/3",
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"b/03",
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"b1",
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"b01",
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"b3",
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"c2.10",
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"c10.2",
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"d1",
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"d12",
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"d12a",
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}
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m := make(map[interface{}]int)
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for _, k := range order {
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m[k] = 1
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}
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data, err := goyaml.Marshal(m)
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c.Assert(err, IsNil)
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out := "\n" + string(data)
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last := 0
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for i, k := range order {
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repr := fmt.Sprint(k)
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if s, ok := k.(string); ok {
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if _, err = strconv.ParseFloat(repr, 32); s == "" || err == nil {
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repr = `"` + repr + `"`
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}
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}
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index := strings.Index(out, "\n"+repr+":")
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if index == -1 {
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c.Fatalf("%#v is not in the output: %#v", k, out)
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}
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if index < last {
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c.Fatalf("%#v was generated before %#v: %q", k, order[i-1], out)
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}
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last = index
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}
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}
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