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merge main, update fail test descriptions
This commit is contained in:
Luke Boswell
parent
e5dd4295c9
commit
addc4debef
11 changed files with 1822 additions and 1855 deletions
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@ -405,13 +405,11 @@ decodeBool = Decode.custom \bytes, @Json {} ->
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_ -> { result: Err TooShort, rest: bytes }
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expect
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actual : DecodeResult Bool
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actual = "true\n" |> Str.toUtf8 |> Decode.fromBytesPartial fromUtf8
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expected = Ok Bool.true
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actual.result == expected
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expect
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actual : DecodeResult Bool
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actual = "false ]\n" |> Str.toUtf8 |> Decode.fromBytesPartial fromUtf8
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expected = Ok Bool.false
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actual.result == expected
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@ -459,12 +457,6 @@ parseExactChar = \bytes, char ->
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Err _ -> { result: Err TooShort, rest: bytes }
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# openBrace : List U8 -> DecodeResult {}
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# openBrace = \bytes -> parseExactChar bytes '{'
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# closingBrace : List U8 -> DecodeResult {}
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# closingBrace = \bytes -> parseExactChar bytes '}'
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openBracket : List U8 -> DecodeResult {}
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openBracket = \bytes -> parseExactChar bytes '['
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@ -474,9 +466,6 @@ closingBracket = \bytes -> parseExactChar bytes ']'
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anything : List U8 -> DecodeResult {}
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anything = \bytes -> { result: Err TooShort, rest: bytes }
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# colon : List U8 -> DecodeResult {}
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# colon = \bytes -> parseExactChar bytes ':'
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comma : List U8 -> DecodeResult {}
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comma = \bytes -> parseExactChar bytes ','
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@ -588,10 +577,8 @@ expect
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expected = { result: Ok 2u64, rest: [']'] }
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actual == expected
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# TODO why is this trying to decode as a Record?
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# If you use Decode.fromBytesPartial it fails
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expect
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actual = "30,\n" |> Str.toUtf8 |> Decode.decodeWith decodeI64 fromUtf8
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actual = "30,\n" |> Str.toUtf8 |> Decode.fromBytesPartial fromUtf8
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expected = { result: Ok 30i64, rest: [',', '\n'] }
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actual == expected
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@ -1077,161 +1064,141 @@ expect
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# JSON OBJECTS -----------------------------------------------------------------
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# decodeRecord = \initialState, stepField, finalizer -> Decode.custom \bytes, @Json {} ->
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# # NB: the stepper function must be passed explicitly until #2894 is resolved.
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# decodeFields = \stepper, state, kvBytes ->
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# { val: key, rest } <- (Decode.decodeWith kvBytes decodeString (@Json {})) |> tryDecode
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# { rest: afterColonBytes } <- colon rest |> tryDecode
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# { val: newState, rest: beforeCommaOrBreak } <- tryDecode
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# (
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# when stepper state key is
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# Skip ->
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# { rest: beforeCommaOrBreak } <- afterColonBytes |> anything |> tryDecode
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# { result: Ok state, rest: beforeCommaOrBreak }
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# Keep decoder ->
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# Decode.decodeWith afterColonBytes decoder (@Json {})
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# )
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# { result: commaResult, rest: nextBytes } = comma beforeCommaOrBreak
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# when commaResult is
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# Ok {} -> decodeFields stepField newState nextBytes
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# Err _ -> { result: Ok newState, rest: nextBytes }
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# { rest: afterBraceBytes } <- bytes |> openBrace |> tryDecode
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# { val: endStateResult, rest: beforeClosingBraceBytes } <- decodeFields stepField initialState afterBraceBytes |> tryDecode
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# { rest: afterRecordBytes } <- beforeClosingBraceBytes |> closingBrace |> tryDecode
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# when finalizer endStateResult is
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# Ok val -> { result: Ok val, rest: afterRecordBytes }
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# Err e -> { result: Err e, rest: afterRecordBytes }
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decodeRecord = \initialState, stepField, finalizer -> Decode.custom \bytes, @Json {} ->
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# Recursively build up record from object field:value pairs
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decodeFields = \recordState, bytesBeforeField ->
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# Recursively build up record from object field:value pairs
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decodeFields = \recordState, bytesBeforeField ->
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# Decode the json string field name
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{result: fieldNameResult, rest: bytesAfterField} =
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Decode.decodeWith bytesBeforeField decodeString fromUtf8
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# Decode the json string field name
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{ result: fieldNameResult, rest: bytesAfterField } =
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Decode.decodeWith bytesBeforeField decodeString fromUtf8
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# Count the bytes until the field value
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countBytesBeforeValue = when List.walkUntil bytesAfterField (BeforeColon 0) objectHelp is
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ObjectValueStart n -> n
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_ -> 0
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# Count the bytes until the field value
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countBytesBeforeValue =
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when List.walkUntil bytesAfterField (BeforeColon 0) objectHelp is
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AfterColon n -> n
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_ -> 0
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valueBytes = List.drop bytesAfterField countBytesBeforeValue
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valueBytes = List.drop bytesAfterField countBytesBeforeValue
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when fieldNameResult is
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Err TooShort ->
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# Invalid object, unable to decode field name or find colon ':'
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# after field and before the value
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{result: Err TooShort, rest: bytes}
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Ok fieldName ->
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# Decode the json value
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{val: updatedRecord, rest: bytesAfterValue } <-
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(
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# Retrieve value decoder for the current field
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when stepField recordState fieldName is
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Skip ->
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# TODO This doesn't seem right, shouldn't we eat
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# the remaining value bytes if we are skipping this
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# field?
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#
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# Should rest be bytesAfterNextValue or similar?
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{result: Ok recordState, rest: valueBytes}
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when fieldNameResult is
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Err TooShort ->
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# Invalid object, unable to decode field name or find colon ':'
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# after field and before the value
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{ result: Err TooShort, rest: bytes }
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Keep valueDecoder ->
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# Decode the value using the decoder from the recordState
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Decode.decodeWith valueBytes valueDecoder fromUtf8
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)
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|> tryDecode
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Ok fieldName ->
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# Decode the json value
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{ val: updatedRecord, rest: bytesAfterValue } <-
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(
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# Retrieve value decoder for the current field
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when stepField recordState fieldName is
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Skip ->
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# TODO This doesn't seem right, shouldn't we eat
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# the remaining value bytes if we are skipping this
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# field?
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#
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# Should rest be bytesAfterNextValue or similar?
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{ result: Ok recordState, rest: valueBytes }
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# Check if another field or '}' for end of object
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when List.walkUntil bytesAfterValue (AfterObjectValue 0) objectHelp is
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ObjectFieldNameStart n ->
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rest = List.drop bytesAfterValue n
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Keep valueDecoder ->
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# Decode the value using the decoder from the recordState
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Decode.decodeWith valueBytes valueDecoder fromUtf8
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)
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|> tryDecode
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# Decode the next field and value
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decodeFields updatedRecord rest
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# Check if another field or '}' for end of object
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when List.walkUntil bytesAfterValue (AfterObjectValue 0) objectHelp is
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ObjectFieldNameStart n ->
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rest = List.drop bytesAfterValue n
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AfterClosingBrace n ->
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rest = List.drop bytesAfterValue n
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# Decode the next field and value
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decodeFields updatedRecord rest
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# Build final record from decoded fields and values
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when finalizer updatedRecord is
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Ok val -> { result: Ok val, rest }
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Err e -> { result: Err e, rest }
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AfterClosingBrace n ->
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rest = List.drop bytesAfterValue n
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_ ->
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# Invalid object
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{result : Err TooShort, rest: bytesAfterValue}
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countBytesBeforeFirstField =
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when List.walkUntil bytes (BeforeOpeningBrace 0) objectHelp is
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ObjectFieldNameStart n -> n
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_ -> 0
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# Build final record from decoded fields and values
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when finalizer updatedRecord is
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Ok val -> { result: Ok val, rest }
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Err e -> { result: Err e, rest }
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if countBytesBeforeFirstField == 0 then
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# Invalid object, expected opening brace '{' followed by a field
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{result: Err TooShort, rest: bytes}
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else
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bytesBeforeFirstField = (List.drop bytes countBytesBeforeFirstField)
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_ ->
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# Invalid object
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{ result: Err TooShort, rest: bytesAfterValue }
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# Begin decoding field:value pairs
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decodeFields initialState bytesBeforeFirstField
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countBytesBeforeFirstField =
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when List.walkUntil bytes (BeforeOpeningBrace 0) objectHelp is
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ObjectFieldNameStart n -> n
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_ -> 0
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if countBytesBeforeFirstField == 0 then
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# Invalid object, expected opening brace '{' followed by a field
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{ result: Err TooShort, rest: bytes }
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else
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bytesBeforeFirstField = List.drop bytes countBytesBeforeFirstField
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# Begin decoding field:value pairs
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decodeFields initialState bytesBeforeFirstField
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objectHelp : ObjectState, U8 -> [Break ObjectState, Continue ObjectState]
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objectHelp = \state, byte ->
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when (state, byte) is
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(BeforeOpeningBrace n, b) if isWhitespace b -> Continue (BeforeOpeningBrace (n+1))
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(BeforeOpeningBrace n, b) if b == '{' -> Continue (AfterOpeningBrace (n+1))
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(AfterOpeningBrace n, b) if isWhitespace b -> Continue (AfterOpeningBrace (n+1))
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when (state, byte) is
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(BeforeOpeningBrace n, b) if isWhitespace b -> Continue (BeforeOpeningBrace (n + 1))
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(BeforeOpeningBrace n, b) if b == '{' -> Continue (AfterOpeningBrace (n + 1))
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(AfterOpeningBrace n, b) if isWhitespace b -> Continue (AfterOpeningBrace (n + 1))
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(AfterOpeningBrace n, b) if b == '"' -> Break (ObjectFieldNameStart n) # field names must be a json string
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(BeforeColon n, b) if isWhitespace b -> Continue (BeforeColon (n+1))
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(BeforeColon n, b) if b == ':' -> Continue (AfterColon (n+1))
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(AfterColon n, b) if isWhitespace b -> Continue (AfterColon (n+1))
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(AfterColon n, _) -> Break (ObjectValueStart n) # object value could start with **almost** anything
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(AfterObjectValue n, b) if isWhitespace b -> Continue (AfterObjectValue (n+1))
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(AfterObjectValue n, b) if b == ',' -> Continue (AfterComma (n+1))
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(AfterObjectValue n, b) if b == '}' -> Continue (AfterClosingBrace (n+1))
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(AfterComma n, b) if isWhitespace b -> Continue (AfterComma (n+1))
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(BeforeColon n, b) if isWhitespace b -> Continue (BeforeColon (n + 1))
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(BeforeColon n, b) if b == ':' -> Continue (AfterColon (n + 1))
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(AfterColon n, b) if isWhitespace b -> Continue (AfterColon (n + 1))
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(AfterColon n, _) -> Break (AfterColon n) # object value could start with lots of things
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(AfterObjectValue n, b) if isWhitespace b -> Continue (AfterObjectValue (n + 1))
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(AfterObjectValue n, b) if b == ',' -> Continue (AfterComma (n + 1))
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(AfterObjectValue n, b) if b == '}' -> Continue (AfterClosingBrace (n + 1))
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(AfterComma n, b) if isWhitespace b -> Continue (AfterComma (n + 1))
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(AfterComma n, b) if b == '"' -> Break (ObjectFieldNameStart n)
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(AfterClosingBrace n, b) if isWhitespace b -> Continue (AfterClosingBrace (n+1))
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(AfterClosingBrace n, b) if isWhitespace b -> Continue (AfterClosingBrace (n + 1))
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_ -> Break InvalidObject
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ObjectState : [
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BeforeOpeningBrace Nat,
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AfterOpeningBrace Nat,
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ObjectFieldNameStart Nat,
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BeforeColon Nat,
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AfterColon Nat,
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ObjectValueStart Nat,
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BeforeColon Nat,
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AfterColon Nat,
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AfterObjectValue Nat,
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AfterComma Nat,
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AfterClosingBrace Nat,
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AfterClosingBrace Nat,
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InvalidObject,
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]
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# Test decode of simple Json Object into Roc Record
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expect
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input = Str.toUtf8 "{\"fruit\":2\n} "
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actual = Decode.fromBytesPartial input fromUtf8
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expected = Ok { fruit: 2 }
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actual.result == expected
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# Test decode of simple Json Object into Roc Record
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# TODO assertion failed: value == 0 || value == 1
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# Test decode of simple Json Object into Roc Record ignoring whitespace
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# TODO this test makes `decodeI64` test fail
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# expect
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# input = Str.toUtf8 "{\"fruit\":\"two\"}"
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# input = Str.toUtf8 " {\n\"fruit\"\t:2\n } "
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# actual = Decode.fromBytesPartial input fromUtf8
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# expected = Ok { fruit: "two" }
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# expected = Ok { fruit: 2 }
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# actual.result == expected
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# Test decode of simple Json Object
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# TODO this test makes `decodeString` tests fail
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# expect
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# input = Str.toUtf8 "{\"fruit\": \"apple\" }"
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# actual = Decode.fromBytesPartial input fromUtf8
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# expected = Ok { fruit: "apple" }
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# actual.result == expected
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# Test decode of simple Json Object
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# TODO this test makes `decodeBool` tests fail
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# expect
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# input = Str.toUtf8 "{\"fruit\": true }"
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# actual : DecodeResult { fruit : Bool }
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# actual = Decode.fromBytesPartial input fromUtf8
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# expected = Ok { fruit: Bool.true }
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# actual.result == expected
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