520 lines
11 KiB
Go
520 lines
11 KiB
Go
package goyaml_test
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import (
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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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"reflect"
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)
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var unmarshalIntTest = 123
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var unmarshalTests = []struct {
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data string
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value interface{}
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}{
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{
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"",
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&struct{}{},
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}, {
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"{}", &struct{}{},
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}, {
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"v: hi",
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map[string]string{"v": "hi"},
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}, {
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"v: hi", map[string]interface{}{"v": "hi"},
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}, {
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"v: true",
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map[string]string{"v": "true"},
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}, {
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"v: true",
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map[string]interface{}{"v": true},
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}, {
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"v: 10",
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map[string]interface{}{"v": 10},
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}, {
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"v: 0b10",
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map[string]interface{}{"v": 2},
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}, {
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"v: 0xA",
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map[string]interface{}{"v": 10},
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}, {
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"v: 4294967296",
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map[string]int64{"v": 4294967296},
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}, {
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"v: 0.1",
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map[string]interface{}{"v": 0.1},
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}, {
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"v: .1",
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map[string]interface{}{"v": 0.1},
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}, {
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"v: .Inf",
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map[string]interface{}{"v": math.Inf(+1)},
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}, {
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"v: -.Inf",
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map[string]interface{}{"v": math.Inf(-1)},
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}, {
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"v: -10",
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map[string]interface{}{"v": -10},
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}, {
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"v: -.1",
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map[string]interface{}{"v": -0.1},
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},
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// Simple values.
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{
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"123",
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&unmarshalIntTest,
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},
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// Floats from spec
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{
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"canonical: 6.8523e+5",
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map[string]interface{}{"canonical": 6.8523e+5},
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}, {
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"expo: 685.230_15e+03",
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map[string]interface{}{"expo": 685.23015e+03},
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}, {
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"fixed: 685_230.15",
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map[string]interface{}{"fixed": 685230.15},
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}, {
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"neginf: -.inf",
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map[string]interface{}{"neginf": math.Inf(-1)},
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}, {
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"fixed: 685_230.15",
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map[string]float64{"fixed": 685230.15},
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},
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//{"sexa: 190:20:30.15", map[string]interface{}{"sexa": 0}}, // Unsupported
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//{"notanum: .NaN", map[string]interface{}{"notanum": math.NaN()}}, // Equality of NaN fails.
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// Bools from spec
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{
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"canonical: y",
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map[string]interface{}{"canonical": true},
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}, {
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"answer: NO",
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map[string]interface{}{"answer": false},
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}, {
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"logical: True",
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map[string]interface{}{"logical": true},
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}, {
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"option: on",
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map[string]interface{}{"option": true},
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}, {
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"option: on",
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map[string]bool{"option": true},
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},
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// Ints from spec
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{
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"canonical: 685230",
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map[string]interface{}{"canonical": 685230},
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}, {
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"decimal: +685_230",
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map[string]interface{}{"decimal": 685230},
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}, {
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"octal: 02472256",
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map[string]interface{}{"octal": 685230},
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}, {
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"hexa: 0x_0A_74_AE",
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map[string]interface{}{"hexa": 685230},
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}, {
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"bin: 0b1010_0111_0100_1010_1110",
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map[string]interface{}{"bin": 685230},
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}, {
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"bin: -0b101010",
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map[string]interface{}{"bin": -42},
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}, {
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"decimal: +685_230",
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map[string]int{"decimal": 685230},
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},
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//{"sexa: 190:20:30", map[string]interface{}{"sexa": 0}}, // Unsupported
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// Nulls from spec
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{
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"empty:",
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map[string]interface{}{"empty": nil},
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}, {
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"canonical: ~",
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map[string]interface{}{"canonical": nil},
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}, {
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"english: null",
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map[string]interface{}{"english": nil},
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}, {
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"~: null key",
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map[interface{}]string{nil: "null key"},
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}, {
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"empty:",
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map[string]*bool{"empty": nil},
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},
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// Flow sequence
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{
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"seq: [A,B]",
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map[string]interface{}{"seq": []interface{}{"A", "B"}},
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}, {
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"seq: [A,B,C,]",
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map[string][]string{"seq": []string{"A", "B", "C"}},
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}, {
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"seq: [A,1,C]",
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map[string][]string{"seq": []string{"A", "1", "C"}},
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}, {
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"seq: [A,1,C]",
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map[string][]int{"seq": []int{1}},
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}, {
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"seq: [A,1,C]",
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map[string]interface{}{"seq": []interface{}{"A", 1, "C"}},
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},
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// Block sequence
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{
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"seq:\n - A\n - B",
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map[string]interface{}{"seq": []interface{}{"A", "B"}},
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}, {
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"seq:\n - A\n - B\n - C",
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map[string][]string{"seq": []string{"A", "B", "C"}},
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}, {
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"seq:\n - A\n - 1\n - C",
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map[string][]string{"seq": []string{"A", "1", "C"}},
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}, {
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"seq:\n - A\n - 1\n - C",
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map[string][]int{"seq": []int{1}},
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}, {
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"seq:\n - A\n - 1\n - C",
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map[string]interface{}{"seq": []interface{}{"A", 1, "C"}},
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},
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// Literal block scalar
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{
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"scalar: | # Comment\n\n literal\n\n \ttext\n\n",
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map[string]string{"scalar": "\nliteral\n\n\ttext\n"},
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},
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// Folded block scalar
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{
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"scalar: > # Comment\n\n folded\n line\n \n next\n line\n * one\n * two\n\n last\n line\n\n",
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map[string]string{"scalar": "\nfolded line\nnext line\n * one\n * two\n\nlast line\n"},
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},
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// Map inside interface with no type hints.
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{
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"a: {b: c}",
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map[string]interface{}{"a": map[interface{}]interface{}{"b": "c"}},
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},
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// Structs and type conversions.
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{
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"hello: world",
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&struct{ Hello string }{"world"},
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}, {
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"a: {b: c}",
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&struct{ A struct{ B string } }{struct{ B string }{"c"}},
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}, {
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"a: {b: c}",
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&struct{ A *struct{ B string } }{&struct{ B string }{"c"}},
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}, {
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"a: {b: c}",
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&struct{ A map[string]string }{map[string]string{"b": "c"}},
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}, {
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"a: {b: c}",
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&struct{ A *map[string]string }{&map[string]string{"b": "c"}},
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}, {
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"a:",
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&struct{ A map[string]string }{},
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}, {
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"a: 1",
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&struct{ A int }{1},
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}, {
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"a: 1",
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&struct{ A float64 }{1},
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}, {
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"a: 1.0",
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&struct{ A int }{1},
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}, {
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"a: 1.0",
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&struct{ A uint }{1},
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}, {
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"a: [1, 2]",
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&struct{ A []int }{[]int{1, 2}},
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}, {
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"a: 1",
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&struct{ B int }{0},
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}, {
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"a: 1",
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&struct {
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B int "a"
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}{1},
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}, {
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"a: y",
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&struct{ A bool }{true},
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},
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// Some cross type conversions
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{
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"v: 42",
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map[string]uint{"v": 42},
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}, {
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"v: -42",
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map[string]uint{},
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}, {
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"v: 4294967296",
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map[string]uint64{"v": 4294967296},
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}, {
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"v: -4294967296",
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map[string]uint64{},
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},
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// Overflow cases.
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{
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"v: 4294967297",
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map[string]int32{},
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}, {
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"v: 128",
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map[string]int8{},
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},
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// Quoted values.
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{
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"'1': '\"2\"'",
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map[interface{}]interface{}{"1": "\"2\""},
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}, {
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"v:\n- A\n- 'B\n\n C'\n",
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map[string][]string{"v": []string{"A", "B\nC"}},
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},
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// Explicit tags.
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{
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"v: !!float '1.1'",
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map[string]interface{}{"v": 1.1},
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}, {
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"v: !!null ''",
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map[string]interface{}{"v": nil},
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}, {
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"%TAG !y! tag:yaml.org,2002:\n---\nv: !y!int '1'",
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map[string]interface{}{"v": 1},
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},
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// Anchors and aliases.
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{
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"a: &x 1\nb: &y 2\nc: *x\nd: *y\n",
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&struct{ A, B, C, D int }{1, 2, 1, 2},
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}, {
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"a: &a {c: 1}\nb: *a",
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&struct {
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A, B struct {
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C int
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}
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}{struct{ C int }{1}, struct{ C int }{1}},
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}, {
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"a: &a [1, 2]\nb: *a",
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&struct{ B []int }{[]int{1, 2}},
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},
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// Bug #1133337
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{
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"foo: ''",
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map[string]*string{"foo": new(string)},
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}, {
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"foo: null",
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map[string]string{},
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},
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// Ignored field
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{
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"a: 1\nb: 2\n",
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&struct {
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A int
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B int "-"
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}{1, 0},
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},
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// Bug #1191981
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{
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"" +
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"%YAML 1.1\n" +
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"--- !!str\n" +
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`"Generic line break (no glyph)\n\` + "\n" +
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` Generic line break (glyphed)\n\` + "\n" +
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` Line separator\u2028\` + "\n" +
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` Paragraph separator\u2029"` + "\n",
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"" +
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"Generic line break (no glyph)\n" +
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"Generic line break (glyphed)\n" +
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"Line separator\u2028Paragraph separator\u2029",
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},
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// Struct inlining
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{
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"a: 1\nb: 2\nc: 3\n",
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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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},
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}
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type inlineB struct {
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B int
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inlineC `yaml:",inline"`
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}
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type inlineC struct {
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C int
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}
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func (s *S) TestUnmarshal(c *C) {
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for i, item := range unmarshalTests {
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t := reflect.ValueOf(item.value).Type()
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var value interface{}
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switch t.Kind() {
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case reflect.Map:
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value = reflect.MakeMap(t).Interface()
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case reflect.String:
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t := reflect.ValueOf(item.value).Type()
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v := reflect.New(t)
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value = v.Interface()
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default:
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pt := reflect.ValueOf(item.value).Type()
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pv := reflect.New(pt.Elem())
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value = pv.Interface()
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}
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err := goyaml.Unmarshal([]byte(item.data), value)
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c.Assert(err, IsNil, Commentf("Item #%d", i))
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if t.Kind() == reflect.String {
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c.Assert(*value.(*string), Equals, item.value, Commentf("Item #%d", i))
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} else {
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c.Assert(value, DeepEquals, item.value, Commentf("Item #%d", i))
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}
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}
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}
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func (s *S) TestUnmarshalNaN(c *C) {
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value := map[string]interface{}{}
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err := goyaml.Unmarshal([]byte("notanum: .NaN"), &value)
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c.Assert(err, IsNil)
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c.Assert(math.IsNaN(value["notanum"].(float64)), Equals, true)
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}
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var unmarshalErrorTests = []struct {
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data, error string
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}{
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{"v: !!float 'error'", "YAML error: Can't decode !!str 'error' as a !!float"},
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{"v: [A,", "YAML error: line 1: did not find expected node content"},
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{"v:\n- [A,", "YAML error: line 2: did not find expected node content"},
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{"a: *b\n", "YAML error: Unknown anchor 'b' referenced"},
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{"a: &a\n b: *a\n", "YAML error: Anchor 'a' value contains itself"},
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{"value: -", "YAML error: block sequence entries are not allowed in this context"},
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}
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func (s *S) TestUnmarshalErrors(c *C) {
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for _, item := range unmarshalErrorTests {
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var value interface{}
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err := goyaml.Unmarshal([]byte(item.data), &value)
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c.Assert(err, ErrorMatches, item.error, Commentf("Partial unmarshal: %#v", value))
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}
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}
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var setterTests = []struct {
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data, tag string
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value interface{}
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}{
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{"_: {hi: there}", "!!map", map[interface{}]interface{}{"hi": "there"}},
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{"_: [1,A]", "!!seq", []interface{}{1, "A"}},
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{"_: 10", "!!int", 10},
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{"_: null", "!!null", nil},
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{"_: !!foo 'BAR!'", "!!foo", "BAR!"},
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}
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var setterResult = map[int]bool{}
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type typeWithSetter struct {
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tag string
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value interface{}
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}
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func (o *typeWithSetter) SetYAML(tag string, value interface{}) (ok bool) {
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o.tag = tag
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o.value = value
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if i, ok := value.(int); ok {
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if result, ok := setterResult[i]; ok {
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return result
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}
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}
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return true
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}
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type typeWithSetterField struct {
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Field *typeWithSetter "_"
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}
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func (s *S) TestUnmarshalWithSetter(c *C) {
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for _, item := range setterTests {
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obj := &typeWithSetterField{}
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err := goyaml.Unmarshal([]byte(item.data), obj)
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c.Assert(err, IsNil)
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c.Assert(obj.Field, NotNil,
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Commentf("Pointer not initialized (%#v)", item.value))
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c.Assert(obj.Field.tag, Equals, item.tag)
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c.Assert(obj.Field.value, DeepEquals, item.value)
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}
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}
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func (s *S) TestUnmarshalWholeDocumentWithSetter(c *C) {
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obj := &typeWithSetter{}
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err := goyaml.Unmarshal([]byte(setterTests[0].data), obj)
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c.Assert(err, IsNil)
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c.Assert(obj.tag, Equals, setterTests[0].tag)
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value, ok := obj.value.(map[interface{}]interface{})
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c.Assert(ok, Equals, true)
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c.Assert(value["_"], DeepEquals, setterTests[0].value)
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}
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func (s *S) TestUnmarshalWithFalseSetterIgnoresValue(c *C) {
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setterResult[2] = false
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setterResult[4] = false
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defer func() {
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delete(setterResult, 2)
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delete(setterResult, 4)
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}()
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m := map[string]*typeWithSetter{}
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data := "{abc: 1, def: 2, ghi: 3, jkl: 4}"
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err := goyaml.Unmarshal([]byte(data), m)
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c.Assert(err, IsNil)
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c.Assert(m["abc"], NotNil)
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c.Assert(m["def"], IsNil)
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c.Assert(m["ghi"], NotNil)
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c.Assert(m["jkl"], IsNil)
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c.Assert(m["abc"].value, Equals, 1)
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c.Assert(m["ghi"].value, Equals, 3)
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}
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//var data []byte
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//func init() {
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// var err error
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// data, err = ioutil.ReadFile("/tmp/file.yaml")
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// if err != nil {
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// panic(err)
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// }
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//}
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//
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//func (s *S) BenchmarkUnmarshal(c *C) {
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// var err error
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// for i := 0; i < c.N; i++ {
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// var v map[string]interface{}
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// err = goyaml.Unmarshal(data, &v)
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// }
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// if err != nil {
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// panic(err)
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// }
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//}
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//
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//func (s *S) BenchmarkMarshal(c *C) {
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// var v map[string]interface{}
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// goyaml.Unmarshal(data, &v)
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// c.ResetTimer()
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// for i := 0; i < c.N; i++ {
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// goyaml.Marshal(&v)
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// }
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//}
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