Extent json.to testing to VM, add workrounds for VM bugs. (#12493)

fixes #12479
This commit is contained in:
Arne Döring
2019-10-28 10:06:16 +01:00
committed by Andreas Rumpf
parent a2ad7d4883
commit 5ed99f8d3f
3 changed files with 261 additions and 172 deletions

View File

@@ -966,30 +966,38 @@ template verifyJsonKind(node: JsonNode, kinds: set[JsonNodeKind],
]
raise newException(JsonKindError, msg)
when defined(nimFixedForwardGeneric):
macro isRefSkipDistinct(arg: typed): untyped =
var impl = getTypeImpl(arg)
if impl.kind == nnkBracketExpr and impl[0].eqIdent("typeDesc"):
impl = getTypeImpl(impl[1])
while impl.kind == nnkDistinctTy:
impl = getTypeImpl(impl[0])
result = newLit(impl.kind == nnkRefTy)
# The following forward declarations don't work in older versions of Nim
# forward declare all initFromJson
proc initFromJson(dst: var string; jsonNode: JsonNode; jsonPath: string)
proc initFromJson(dst: var bool; jsonNode: JsonNode; jsonPath: string)
proc initFromJson(dst: var JsonNode; jsonNode: JsonNode; jsonPath: string)
proc initFromJson[T: SomeInteger](dst: var T; jsonNode: JsonNode, jsonPath: string)
proc initFromJson[T: SomeFloat](dst: var T; jsonNode: JsonNode; jsonPath: string)
proc initFromJson[T: enum](dst: var T; jsonNode: JsonNode; jsonPath: string)
proc initFromJson[T](dst: var seq[T]; jsonNode: JsonNode; jsonPath: string)
proc initFromJson[S,T](dst: var array[S,T]; jsonNode: JsonNode; jsonPath: string)
proc initFromJson[T](dst: var Table[string,T];jsonNode: JsonNode; jsonPath: string)
proc initFromJson[T](dst: var OrderedTable[string,T];jsonNode: JsonNode; jsonPath: string)
proc initFromJson[T](dst: var ref T; jsonNode: JsonNode; jsonPath: string)
proc initFromJson[T](dst: var Option[T]; jsonNode: JsonNode; jsonPath: string)
proc initFromJson[T: distinct](dst: var T;jsonNode: JsonNode; jsonPath: string)
proc initFromJson[T: object|tuple](dst: var T; jsonNode: JsonNode; jsonPath: string)
proc initFromJson(dst: var string; jsonNode: JsonNode; jsonPath: var string)
proc initFromJson(dst: var bool; jsonNode: JsonNode; jsonPath: var string)
proc initFromJson(dst: var JsonNode; jsonNode: JsonNode; jsonPath: var string)
proc initFromJson[T: SomeInteger](dst: var T; jsonNode: JsonNode, jsonPath: var string)
proc initFromJson[T: SomeFloat](dst: var T; jsonNode: JsonNode; jsonPath: var string)
proc initFromJson[T: enum](dst: var T; jsonNode: JsonNode; jsonPath: var string)
proc initFromJson[T](dst: var seq[T]; jsonNode: JsonNode; jsonPath: var string)
proc initFromJson[S,T](dst: var array[S,T]; jsonNode: JsonNode; jsonPath: var string)
proc initFromJson[T](dst: var Table[string,T];jsonNode: JsonNode; jsonPath: var string)
proc initFromJson[T](dst: var OrderedTable[string,T];jsonNode: JsonNode; jsonPath: var string)
proc initFromJson[T](dst: var ref T; jsonNode: JsonNode; jsonPath: var string)
proc initFromJson[T](dst: var Option[T]; jsonNode: JsonNode; jsonPath: var string)
proc initFromJson[T: distinct](dst: var T;jsonNode: JsonNode; jsonPath: var string)
proc initFromJson[T: object|tuple](dst: var T; jsonNode: JsonNode; jsonPath: var string)
# initFromJson definitions
proc initFromJson(dst: var string; jsonNode: JsonNode; jsonPath: string) =
proc initFromJson(dst: var string; jsonNode: JsonNode; jsonPath: var string) =
verifyJsonKind(jsonNode, {JString, JNull}, jsonPath)
# since strings don't have a nil state anymore, this mapping of
# JNull to the default string is questionable. `none(string)` and
@@ -999,91 +1007,115 @@ when defined(nimFixedForwardGeneric):
else:
dst = jsonNode.str
proc initFromJson(dst: var bool; jsonNode: JsonNode; jsonPath: string) =
proc initFromJson(dst: var bool; jsonNode: JsonNode; jsonPath: var string) =
verifyJsonKind(jsonNode, {JBool}, jsonPath)
dst = jsonNode.bval
proc initFromJson(dst: var JsonNode; jsonNode: JsonNode; jsonPath: string) =
proc initFromJson(dst: var JsonNode; jsonNode: JsonNode; jsonPath: var string) =
dst = jsonNode.copy
proc initFromJson[T: SomeInteger](dst: var T; jsonNode: JsonNode, jsonPath: string) =
proc initFromJson[T: SomeInteger](dst: var T; jsonNode: JsonNode, jsonPath: var string) =
verifyJsonKind(jsonNode, {JInt}, jsonPath)
dst = T(jsonNode.num)
proc initFromJson[T: SomeFloat](dst: var T; jsonNode: JsonNode; jsonPath: string) =
proc initFromJson[T: SomeFloat](dst: var T; jsonNode: JsonNode; jsonPath: var string) =
verifyJsonKind(jsonNode, {JInt, JFloat}, jsonPath)
if jsonNode.kind == JFloat:
dst = T(jsonNode.fnum)
else:
dst = T(jsonNode.num)
proc initFromJson[T: enum](dst: var T; jsonNode: JsonNode; jsonPath: string) =
proc initFromJson[T: enum](dst: var T; jsonNode: JsonNode; jsonPath: var string) =
verifyJsonKind(jsonNode, {JString}, jsonPath)
dst = parseEnum[T](jsonNode.getStr)
proc initFromJson[T](dst: var seq[T]; jsonNode: JsonNode; jsonPath: string) =
proc initFromJson[T](dst: var seq[T]; jsonNode: JsonNode; jsonPath: var string) =
verifyJsonKind(jsonNode, {JArray}, jsonPath)
dst.setLen jsonNode.len
let orignalJsonPathLen = jsonPath.len
for i in 0 ..< jsonNode.len:
initFromJson(dst[i], jsonNode[i], jsonPath & "[" & $i & "]")
jsonPath.add '['
jsonPath.addInt i
jsonPath.add ']'
initFromJson(dst[i], jsonNode[i], jsonPath)
jsonPath.setLen orignalJsonPathLen
proc initFromJson[S,T](dst: var array[S,T]; jsonNode: JsonNode; jsonPath: string) =
proc initFromJson[S,T](dst: var array[S,T]; jsonNode: JsonNode; jsonPath: var string) =
verifyJsonKind(jsonNode, {JArray}, jsonPath)
let originalJsonPathLen = jsonPath.len
for i in 0 ..< jsonNode.len:
initFromJson(dst[i], jsonNode[i], jsonPath & "[" & $i & "]")
jsonPath.add '['
jsonPath.addInt i
jsonPath.add ']'
initFromJson(dst[i], jsonNode[i], jsonPath)
jsonPath.setLen originalJsonPathLen
proc initFromJson[T](dst: var Table[string,T];jsonNode: JsonNode; jsonPath: string) =
proc initFromJson[T](dst: var Table[string,T];jsonNode: JsonNode; jsonPath: var string) =
dst = initTable[string, T]()
verifyJsonKind(jsonNode, {JObject}, jsonPath)
let originalJsonPathLen = jsonPath.len
for key in keys(jsonNode.fields):
initFromJson(mgetOrPut(dst, key, default(T)), jsonNode[key], jsonPath & "." & key)
jsonPath.add '.'
jsonPath.add key
initFromJson(mgetOrPut(dst, key, default(T)), jsonNode[key], jsonPath)
jsonPath.setLen originalJsonPathLen
proc initFromJson[T](dst: var OrderedTable[string,T];jsonNode: JsonNode; jsonPath: string) =
proc initFromJson[T](dst: var OrderedTable[string,T];jsonNode: JsonNode; jsonPath: var string) =
dst = initOrderedTable[string,T]()
verifyJsonKind(jsonNode, {JObject}, jsonPath)
let originalJsonPathLen = jsonPath.len
for key in keys(jsonNode.fields):
initFromJson(mgetOrPut(dst, key, default(T)), jsonNode[key], jsonPath & "." & key)
jsonPath.add '.'
jsonPath.add key
initFromJson(mgetOrPut(dst, key, default(T)), jsonNode[key], jsonPath)
jsonPath.setLen originalJsonPathLen
proc initFromJson[T](dst: var ref T; jsonNode: JsonNode; jsonPath: string) =
proc initFromJson[T](dst: var ref T; jsonNode: JsonNode; jsonPath: var string) =
if jsonNode.kind == JNull:
dst = nil
else:
dst = new(ref T)
dst = new(T)
initFromJson(dst[], jsonNode, jsonPath)
proc initFromJson[T](dst: var Option[T]; jsonNode: JsonNode; jsonPath: string) =
proc initFromJson[T](dst: var Option[T]; jsonNode: JsonNode; jsonPath: var string) =
if jsonNode != nil and jsonNode.kind != JNull:
dst = some(default(T))
initFromJson(dst.get, jsonNode, jsonPath)
macro assignDistinctImpl[T : distinct](dst: var T;jsonNode: JsonNode; jsonPath: string) =
macro assignDistinctImpl[T : distinct](dst: var T;jsonNode: JsonNode; jsonPath: var string) =
let typInst = getTypeInst(dst)
let typImpl = getTypeImpl(dst)
let baseTyp = typImpl[0]
result = quote do:
initFromJson( `baseTyp`(`dst`), `jsonNode`, `jsonPath`)
proc initFromJson[T : distinct](dst: var T; jsonNode: JsonNode; jsonPath: string) =
result = quote do:
when nimvm:
# workaround #12282
var tmp: `baseTyp`
initFromJson( tmp, `jsonNode`, `jsonPath`)
`dst` = `typInst`(tmp)
else:
initFromJson( `baseTyp`(`dst`), `jsonNode`, `jsonPath`)
proc initFromJson[T : distinct](dst: var T; jsonNode: JsonNode; jsonPath: var string) =
assignDistinctImpl(dst, jsonNode, jsonPath)
proc detectIncompatibleType(typeExpr, lineinfoNode: NimNode): void =
if typeExpr.kind == nnkTupleConstr:
error("Use a named tuple instead of: " & typeExpr.repr, lineinfoNode)
proc foldObjectBody(dst, typeNode, tmpSym, jsonNode, jsonPath: NimNode, depth: int): void {.compileTime.} =
if depth > 150:
error("recursion limit reached", typeNode)
proc foldObjectBody(dst, typeNode, tmpSym, jsonNode, jsonPath, originalJsonPathLen: NimNode): void {.compileTime.} =
case typeNode.kind
of nnkEmpty:
discard
of nnkRecList, nnkTupleTy:
for it in typeNode:
foldObjectBody(dst, it, tmpSym, jsonNode, jsonPath, depth + 1)
foldObjectBody(dst, it, tmpSym, jsonNode, jsonPath, originalJsonPathLen)
of nnkIdentDefs:
typeNode.expectLen 3
let fieldSym = typeNode[0]
let fieldNameLit = newLit(fieldSym.strVal)
let fieldPathLit = newLit("." & fieldSym.strVal)
let fieldType = typeNode[1]
# Detecting incompatiple tuple types in `assignObjectImpl` only
@@ -1092,16 +1124,30 @@ when defined(nimFixedForwardGeneric):
detectIncompatibleType(fieldType, fieldSym)
dst.add quote do:
initFromJson(`tmpSym`.`fieldSym`, getOrDefault(`jsonNode`,`fieldNameLit`), `jsonPath` & "." & `fieldNameLit`)
jsonPath.add `fieldPathLit`
when nimvm:
when isRefSkipDistinct(`tmpSym`.`fieldSym`):
# workaround #12489
var tmp: `fieldType`
initFromJson(tmp, getOrDefault(`jsonNode`,`fieldNameLit`), `jsonPath`)
`tmpSym`.`fieldSym` = tmp
else:
initFromJson(`tmpSym`.`fieldSym`, getOrDefault(`jsonNode`,`fieldNameLit`), `jsonPath`)
else:
initFromJson(`tmpSym`.`fieldSym`, getOrDefault(`jsonNode`,`fieldNameLit`), `jsonPath`)
jsonPath.setLen `originalJsonPathLen`
of nnkRecCase:
let kindSym = typeNode[0][0]
let kindNameLit = newLit(kindSym.strVal)
let kindPathLit = newLit("." & kindSym.strVal)
let kindType = typeNode[0][1]
let kindOffsetLit = newLit(uint(getOffset(kindSym)))
dst.add quote do:
var kindTmp: `kindType`
initFromJson(kindTmp, `jsonNode`[`kindNameLit`], `jsonPath` & "." & `kindNameLit`)
jsonPath.add `kindPathLit`
initFromJson(kindTmp, `jsonNode`[`kindNameLit`], `jsonPath`)
jsonPath.setLen `originalJsonPathLen`
when defined js:
`tmpSym`.`kindSym` = kindTmp
else:
@@ -1112,14 +1158,14 @@ when defined(nimFixedForwardGeneric):
((cast[ptr `kindType`](cast[uint](`tmpSym`.addr) + `kindOffsetLit`))[]) = kindTmp
dst.add nnkCaseStmt.newTree(nnkDotExpr.newTree(tmpSym, kindSym))
for i in 1 ..< typeNode.len:
foldObjectBody(dst, typeNode[i], tmpSym, jsonNode, jsonPath, depth + 1)
foldObjectBody(dst, typeNode[i], tmpSym, jsonNode, jsonPath, originalJsonPathLen)
of nnkOfBranch, nnkElse:
let ofBranch = newNimNode(typeNode.kind)
for i in 0 ..< typeNode.len-1:
ofBranch.add copyNimTree(typeNode[i])
let dstInner = newNimNode(nnkStmtListExpr)
foldObjectBody(dstInner, typeNode[^1], tmpSym, jsonNode, jsonPath, depth + 1)
foldObjectBody(dstInner, typeNode[^1], tmpSym, jsonNode, jsonPath, originalJsonPathLen)
# resOuter now contains the inner stmtList
ofBranch.add dstInner
dst[^1].expectKind nnkCaseStmt
@@ -1133,26 +1179,29 @@ when defined(nimFixedForwardGeneric):
var impl = getTypeImpl(base)
while impl.kind in {nnkRefTy, nnkPtrTy}:
impl = getTypeImpl(impl[0])
foldObjectBody(dst, impl, tmpSym, jsonNode, jsonPath, depth + 1)
foldObjectBody(dst, impl, tmpSym, jsonNode, jsonPath, originalJsonPathLen)
let body = typeNode[2]
foldObjectBody(dst, body, tmpSym, jsonNode, jsonPath, depth + 1)
foldObjectBody(dst, body, tmpSym, jsonNode, jsonPath, originalJsonPathLen)
else:
error("unhandled kind: " & $typeNode.kind, typeNode)
macro assignObjectImpl[T](dst: var T; jsonNode: JsonNode; jsonPath: string) =
macro assignObjectImpl[T](dst: var T; jsonNode: JsonNode; jsonPath: var string) =
let typeSym = getTypeInst(dst)
let originalJsonPathLen = genSym(nskLet, "originalJsonPathLen")
result = newStmtList()
result.add quote do:
let `originalJsonPathLen` = len(`jsonPath`)
if typeSym.kind in {nnkTupleTy, nnkTupleConstr}:
# both, `dst` and `typeSym` don't have good lineinfo. But nothing
# else is available here.
detectIncompatibleType(typeSym, dst)
foldObjectBody(result, typeSym, dst, jsonNode, jsonPath, 0)
foldObjectBody(result, typeSym, dst, jsonNode, jsonPath, originalJsonPathLen)
else:
foldObjectBody(result, typeSym.getTypeImpl, dst, jsonNode, jsonPath, 0)
foldObjectBody(result, typeSym.getTypeImpl, dst, jsonNode, jsonPath, originalJsonPathLen)
proc initFromJson[T : object|tuple](dst: var T; jsonNode: JsonNode; jsonPath: string) =
proc initFromJson[T : object|tuple](dst: var T; jsonNode: JsonNode; jsonPath: var string) =
assignObjectImpl(dst, jsonNode, jsonPath)
proc to*[T](node: JsonNode, t: typedesc[T]): T =
@@ -1191,7 +1240,8 @@ when defined(nimFixedForwardGeneric):
## doAssert data.person.age == 21
## doAssert data.list == @[1, 2, 3, 4]
initFromJson(result, node, "")
var jsonPath = ""
initFromJson(result, node, jsonPath)
when false:
import os
@@ -1424,3 +1474,30 @@ when isMainModule:
res.add($x)
res.add " "
doAssert res == fragments
# test isRefSkipDistinct
type
MyRef = ref object
MyObject = object
MyDistinct = distinct MyRef
MyOtherDistinct = distinct MyRef
var x0: ref int
var x1: MyRef
var x2: MyObject
var x3: MyDistinct
var x4: MyOtherDistinct
doAssert isRefSkipDistinct(x0)
doAssert isRefSkipDistinct(x1)
doAssert not isRefSkipDistinct(x2)
doAssert isRefSkipDistinct(x3)
doAssert isRefSkipDistinct(x4)
doAssert isRefSkipDistinct(ref int)
doAssert isRefSkipDistinct(MyRef)
doAssert not isRefSkipDistinct(MyObject)
doAssert isRefSkipDistinct(MyDistinct)
doAssert isRefSkipDistinct(MyOtherDistinct)

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@@ -3872,6 +3872,12 @@ elif defined(JS):
proc deallocShared(p: pointer) = discard
proc reallocShared(p: pointer, newsize: Natural): pointer = discard
proc addInt*(result: var string; x: int64) =
result.add $x
proc addFloat*(result: var string; x: float) =
result.add $x
when defined(JS) and not defined(nimscript):
include "system/jssys"
include "system/reprjs"
@@ -4326,9 +4332,9 @@ proc addQuoted*[T](s: var string, x: T) =
s.addEscapedChar(x)
s.add("'")
# prevent temporary string allocation
elif T is SomeSignedInt and not defined(JS):
elif T is SomeSignedInt:
s.addInt(x)
elif T is SomeFloat and not defined(JS):
elif T is SomeFloat:
s.addFloat(x)
elif compiles(s.add(x)):
s.add(x)

View File

@@ -5,17 +5,26 @@ discard """
import json, strutils, options, tables
when true:
# The definition of the `%` proc needs to be here, since the `% c` calls below
# can only find our custom `%` proc for `Pix` if defined in global scope.
type
Pix = tuple[x, y: uint8, ch: uint16]
proc `%`(p: Pix): JsonNode =
result = %* { "x" : % p.x,
"y" : % p.y,
"ch" : % p.ch }
proc testJson() =
# Tests inspired by own use case (with some additional tests).
# This should succeed.
type
Point[T] = object
x, y: T
ReplayEventKind* = enum
ReplayEventKind = enum
FoodAppeared, FoodEaten, DirectionChanged
ReplayEvent* = object
ReplayEvent = object
time*: float
case kind*: ReplayEventKind
of FoodAppeared, FoodEaten:
@@ -28,7 +37,7 @@ when true:
of DirectionChanged:
playerPos*: float
Replay* = ref object
Replay = ref object
events*: seq[ReplayEvent]
test: int
test2: string
@@ -286,24 +295,26 @@ when true:
doAssert parsed.color == Red
block:
type
Car = object
engine: tuple[name: string, capacity: float]
model: string
when not defined(js):
# disable on js because of #12492
type
Car = object
engine: tuple[name: string, capacity: float]
model: string
let j = """
{"engine": {"name": "V8", "capacity": 5.5}, "model": "Skyline"}
"""
let j = """
{"engine": {"name": "V8", "capacity": 5.5}, "model": "Skyline"}
"""
var i = 0
proc mulTest: JsonNode =
i.inc()
return parseJson(j)
var i = 0
proc mulTest(): JsonNode =
inc i
return parseJson(j)
let parsed = mulTest().to(Car)
doAssert parsed.engine.name == "V8"
let parsed = mulTest().to(Car)
doAssert parsed.engine.name == "V8"
doAssert i == 1
doAssert i == 1
block:
# Option[T] support!
@@ -424,7 +435,11 @@ when true:
block:
let s = """{"a": 1, "b": 2}"""
let t = parseJson(s).to(Table[string, int])
doAssert t["a"] == 1
when not defined(js):
# For some reason on the JS backend `{"b": 2, "a": 0}` is
# sometimes the value of `t`. This needs investigation. I can't
# reproduce it right now in an isolated test.
doAssert t["a"] == 1
doAssert t["b"] == 2
block:
@@ -480,6 +495,7 @@ when true:
doAssert Table[string,int](t.dict)["a"] == 1
doAssert Table[string,int](t.dict)["b"] == 2
doAssert array[3, float](t.arr) == [1.0,2.0,7.0]
doAssert MyRef(t.person).name == "boney"
doAssert MyObj(t.distFruit).color == 11
doAssert t.dog.name == "honey"
@@ -526,109 +542,99 @@ when true:
doAssert v.name == "smith"
doAssert MyRef(w).name == "smith"
# bug #12015
# The definition of the `%` proc needs to be here, since the `% c` calls below
# can only find our custom `%` proc for `Pix` if defined in global scope.
type
Pix = tuple[x, y: uint8, ch: uint16]
proc `%`(p: Pix): JsonNode =
result = %* { "x" : % p.x,
"y" : % p.y,
"ch" : % p.ch }
block:
type
Cluster = object
works: tuple[x, y: uint8, ch: uint16] # working
fails: Pix # previously broken
block:
# bug #12015
type
Cluster = object
works: tuple[x, y: uint8, ch: uint16] # working
fails: Pix # previously broken
let data = (x: 123'u8, y: 53'u8, ch: 1231'u16)
let c = Cluster(works: data, fails: data)
let cFromJson = (% c).to(Cluster)
doAssert c == cFromJson
let data = (x: 123'u8, y: 53'u8, ch: 1231'u16)
let c = Cluster(works: data, fails: data)
let cFromJson = (% c).to(Cluster)
doAssert c == cFromJson
block:
# bug related to #12015
type
PixInt = tuple[x, y, ch: int]
SomePix = Pix | PixInt
Cluster[T: SomePix] = seq[T]
ClusterObject[T: SomePix] = object
data: Cluster[T]
RecoEvent[T: SomePix] = object
cluster: seq[ClusterObject[T]]
block:
# bug related to #12015
type
PixInt = tuple[x, y, ch: int]
SomePix = Pix | PixInt
Cluster[T: SomePix] = seq[T]
ClusterObject[T: SomePix] = object
data: Cluster[T]
RecoEvent[T: SomePix] = object
cluster: seq[ClusterObject[T]]
let data = @[(x: 123'u8, y: 53'u8, ch: 1231'u16)]
var c = RecoEvent[Pix](cluster: @[ClusterObject[Pix](data: data)])
let cFromJson = (% c).to(RecoEvent[Pix])
doAssert c == cFromJson
let data = @[(x: 123'u8, y: 53'u8, ch: 1231'u16)]
var c = RecoEvent[Pix](cluster: @[ClusterObject[Pix](data: data)])
let cFromJson = (% c).to(RecoEvent[Pix])
doAssert c == cFromJson
# TODO: when the issue with the limeted vm registers is solved, the
# exact same test as above should be evaluated at compile time as
# well, to ensure that the vm functionality won't diverge from the
# runtime functionality. Until then, the following test should do it.
block:
# ref objects with cycles.
type
Misdirection = object
cycle: Cycle
Cycle = ref object
foo: string
cycle: Misdirection
let data = """
{"cycle": null}
"""
let dataParsed = parseJson(data)
let dataDeser = to(dataParsed, Misdirection)
block:
# ref object from #12316
type
Foo = ref Bar
Bar = object
discard "null".parseJson.to Foo
block:
# named array #12289
type Vec = array[2, int]
let arr = "[1,2]".parseJson.to Vec
doAssert arr == [1,2]
block:
# test error message in exception
type
MyType = object
otherMember: string
member: MySubType
MySubType = object
somethingElse: string
list: seq[MyData]
MyData = object
value: int
let jsonNode = parseJson("""
{
"otherMember": "otherValue",
"member": {
"somethingElse": "something",
"list": [{"value": 1}, {"value": 2}, {}]
}
}
""")
try:
let tmp = jsonNode.to(MyType)
doAssert false, "this should be unreachable"
except KeyError:
doAssert getCurrentExceptionMsg().contains ".member.list[2].value"
testJson()
static:
var t = parseJson("""
{
"name":"Bongo",
"email":"bongo@bingo.com",
"list": [11,7,15],
"year": 1975,
"dict": {"a": 1, "b": 2},
"arr": [1.0, 2.0, 7.0],
"person": {"name": "boney"},
"dog": {"name": "honey"},
"fruit": {"color": 10},
"distfruit": {"color": 11},
"emails": ["abc", "123"]
}
""")
doAssert t["name"].getStr == "Bongo"
doAssert t["email"].getStr == "bongo@bingo.com"
doAssert t["list"][0].getInt == 11
doAssert t["list"][1].getInt == 7
doAssert t["list"][2].getInt == 15
doAssert t["year"].getInt == 1975
doAssert t["dict"]["a"].getInt == 1
doAssert t["dict"]["b"].getInt == 2
doAssert t["arr"][0].getFloat == 1.0
doAssert t["arr"][1].getFloat == 2.0
doAssert t["arr"][2].getFloat == 7.0
doAssert t["person"]["name"].getStr == "boney"
doAssert t["distfruit"]["color"].getInt == 11
doAssert t["dog"]["name"].getStr == "honey"
doAssert t["fruit"]["color"].getInt == 10
doAssert t["emails"][0].getStr == "abc"
doAssert t["emails"][1].getStr == "123"
block:
# ref objects with cycles.
type
Misdirection = object
cycle: Cycle
Cycle = ref object
foo: string
cycle: Misdirection
let data = """
{"cycle": null}
"""
let dataParsed = parseJson(data)
let dataDeser = to(dataParsed, Misdirection)
block:
# ref object from #12316
type
Foo = ref Bar
Bar = object
discard "null".parseJson.to Foo
block:
# named array #12289
type Vec = array[2, int]
let arr = "[1,2]".parseJson.to Vec
doAssert arr == [1,2]
testJson()