mirror of
https://github.com/dolthub/dolt.git
synced 2026-05-13 03:10:03 -05:00
Chris Masone
bec1b344be
This change removes the json decoding code from the types package and ports it onto the enc package's encoding API. Fixes issue #159
120 lines
3.7 KiB
Go
120 lines
3.7 KiB
Go
package enc
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import (
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"strings"
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"testing"
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"github.com/attic-labs/noms/chunks"
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"github.com/attic-labs/noms/ref"
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"github.com/stretchr/testify/assert"
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)
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func TestJSONDecode(t *testing.T) {
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assert := assert.New(t)
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cs := chunks.NopStore{}
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put := func(s string) ref.Ref {
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s += "\n"
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w := cs.Put()
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_, err := w.Write([]byte(s))
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assert.NoError(err)
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r, err := w.Ref()
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assert.NotNil(r)
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assert.NoError(err)
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return r
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}
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emptyListRef := put(`j {"list":[]}`)
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emptyMapRef := put(`j {"map":[]}`)
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testDecode := func(s string, expected interface{}) {
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actual, err := jsonDecode(strings.NewReader(s))
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assert.NoError(err)
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assert.EqualValues(expected, actual, "Expected decoded value: %s to equal: %+v, but was: %+v", s, expected, actual)
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}
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// integers
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testDecode(`j {"int16":42}
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`, int16(42))
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testDecode(`j {"int32":0}
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`, int32(0))
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testDecode(`j {"int64":-4611686018427387904}
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`, int64(-1<<62))
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testDecode(`j {"uint16":42}
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`, uint16(42))
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testDecode(`j {"uint32":0}
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`, uint32(0))
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testDecode(`j {"uint64":9223372036854775808}
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`, uint64(1<<63))
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// floats
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testDecode(`j {"float32":88.8}
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`, float32(88.8))
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testDecode(`j {"float64":3.14}
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`, float64(3.14))
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// Strings
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testDecode(`j ""
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`, "")
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testDecode(`j "Hello, World!"
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`, "Hello, World!")
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// Lists
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testDecode(`j {"list":[]}
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`, []interface{}{})
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testDecode(`j {"list":["foo",true,{"uint16":42},{"ref":"sha1-58bdf8e374b39f9b1e8a64784cf5c09601f4b7ea"},{"ref":"sha1-dca2a4be23d4455487bb588c6a0ab1b9ee07757e"}]}
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`, []interface{}{"foo", true, uint16(42), emptyListRef, emptyMapRef})
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// Maps
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testDecode(`j {"map":[]}
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`, Map{})
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testDecode(`j {"map":["string","hotdog","list",{"ref":"sha1-58bdf8e374b39f9b1e8a64784cf5c09601f4b7ea"},"int32",{"int32":42},"bool",false,"map",{"ref":"sha1-dca2a4be23d4455487bb588c6a0ab1b9ee07757e"}]}
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`, MapFromItems("string", "hotdog", "list", emptyListRef, "int32", int32(42), "bool", false, "map", emptyMapRef))
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// Sets
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testDecode(`j {"set":[]}
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`, Set{})
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testDecode(`j {"set":[false,{"int32":42},"hotdog",{"ref":"sha1-58bdf8e374b39f9b1e8a64784cf5c09601f4b7ea"},{"ref":"sha1-dca2a4be23d4455487bb588c6a0ab1b9ee07757e"}]}
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`, SetFromItems(false, int32(42), "hotdog", emptyListRef, emptyMapRef))
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// Blob (compound)
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// echo -n 'b Hello' | sha1sum
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blr := ref.MustParse("sha1-c35018551e725bd2ab45166b69d15fda00b161c1")
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cb := CompoundBlob{uint64(2), []uint64{0}, []ref.Ref{blr}}
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testDecode(`j {"cb":[{"ref":"sha1-c35018551e725bd2ab45166b69d15fda00b161c1"},2]}
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`, cb)
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// echo -n 'b ' | sha1sum
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blr2 := ref.MustParse("sha1-641283a12b475ed58ba510517c1224a912e934a6")
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// echo -n 'b World!' | sha1sum
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blr3 := ref.MustParse("sha1-8169c017ce2779f3f66bfe27ee2313d71f7698b9")
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cb2 := CompoundBlob{uint64(12), []uint64{0, 5, 6}, []ref.Ref{blr, blr2, blr3}}
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testDecode(`j {"cb":[{"ref":"sha1-c35018551e725bd2ab45166b69d15fda00b161c1"},5,{"ref":"sha1-641283a12b475ed58ba510517c1224a912e934a6"},6,{"ref":"sha1-8169c017ce2779f3f66bfe27ee2313d71f7698b9"},12]}
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`, cb2)
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}
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func TestCompoundBlobJSONDecodeInvalidFormat(t *testing.T) {
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assert := assert.New(t)
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_, err := jsonDecode(strings.NewReader("j {\"cb\":[]}\n"))
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assert.Error(err)
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_, err = jsonDecode(strings.NewReader("j {\"cb\":[2]}\n"))
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assert.Error(err)
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_, err = jsonDecode(strings.NewReader("j {\"cb\":[true]}\n"))
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assert.Error(err)
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_, err = jsonDecode(strings.NewReader("j {\"cb\":[\"hi\"]}\n"))
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assert.Error(err)
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_, err = jsonDecode(strings.NewReader(`j {"cb":[{"ref":"sha1-c35018551e725bd2ab45166b69d15fda00b161c1"},2.5]}
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`))
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assert.Error(err)
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_, err = jsonDecode(strings.NewReader(`j {"cb":[{"ref":"sha1-c35018551e725bd2ab45166b69d15fda00b161c1"}]}
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`))
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assert.Error(err)
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_, err = jsonDecode(strings.NewReader(`j {"cb":[{"ref":"invalid ref"},2]}
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`))
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assert.Error(err)
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}
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