NimYAML/test/serializing.nim

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import "../yaml/serialization"
import unittest
serializable:
type
Person = object
firstname, surname: string
age: int
suite "Serialization":
setup:
var tagLib = serializationTagLibrary
test "Serialization: Load string sequence":
let input = newStringStream(" - a\n - b")
var
result: seq[string]
parser = newYamlParser(tagLib)
events = parser.parse(input)
assert events().kind == yamlStartDocument
construct(events, result)
assert events().kind == yamlEndDocument
assert result.len == 2
assert result[0] == "a"
assert result[1] == "b"
test "Serialization: Serialize string sequence":
var input = @["a", "b"]
var output = newStringStream()
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dump(input, output, psBlockOnly, tsNone)
assert output.data == "%YAML 1.2\n--- \n- a\n- b"
test "Serialization: Load Table[int, string]":
let input = newStringStream("23: dreiundzwanzig\n42: zweiundvierzig")
var
result: Table[int, string]
parser = newYamlParser(tagLib)
events = parser.parse(input)
assert events().kind == yamlStartDocument
construct(events, result)
assert events().kind == yamlEndDocument
assert result.len == 2
assert result[23] == "dreiundzwanzig"
assert result[42] == "zweiundvierzig"
test "Serialization: Serialize Table[int, string]":
var input = initTable[int, string]()
input[23] = "dreiundzwanzig"
input[42] = "zweiundvierzig"
var output = newStringStream()
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dump(input, output, psBlockOnly, tsNone)
assert output.data == "%YAML 1.2\n--- \n23: dreiundzwanzig\n42: zweiundvierzig"
test "Serialization: Load Sequences in Sequence":
let input = newStringStream(" - [1, 2, 3]\n - [4, 5]\n - [6]")
var
result: seq[seq[int]]
parser = newYamlParser(tagLib)
events = parser.parse(input)
assert events().kind == yamlStartDocument
construct(events, result)
assert events().kind == yamlEndDocument
assert result.len == 3
assert result[0] == @[1, 2, 3]
assert result[1] == @[4, 5]
assert result[2] == @[6]
test "Serialization: Serialize Sequences in Sequence":
let input = @[@[1, 2, 3], @[4, 5], @[6]]
var output = newStringStream()
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dump(input, output, psDefault, tsNone)
assert output.data == "%YAML 1.2\n--- \n- [1, 2, 3]\n- [4, 5]\n- [6]"
test "Serialization: Load custom object":
let input = newStringStream("firstname: Peter\nsurname: Pan\nage: 12")
var
result: Person
parser = newYamlParser(tagLib)
events = parser.parse(input)
assert events().kind == yamlStartDocument
construct(events, result)
assert events().kind == yamlEndDocument
assert result.firstname == "Peter"
assert result.surname == "Pan"
assert result.age == 12
test "Serialization: Serialize custom object":
let input = Person(firstname: "Peter", surname: "Pan", age: 12)
var output = newStringStream()
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dump(input, output, psBlockOnly, tsNone)
assert output.data == "%YAML 1.2\n--- \nfirstname: Peter\nsurname: Pan\nage: 12"
test "Serialization: Load sequence with explicit tags":
let input = newStringStream(
"--- !nim:seq(tag:yaml.org,2002:str)\n- !!str one\n- !!str two")
var
result: seq[string]
parser = newYamlParser(tagLib)
events = parser.parse(input)
assert events().kind == yamlStartDocument
construct(events, result)
assert events().kind == yamlEndDocument
assert result[0] == "one"
assert result[1] == "two"
test "Serialization: Serialize sequence with explicit tags":
let input = @["one", "two"]
var output = newStringStream()
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dump(input, output, psBlockOnly, tsAll)
assert output.data == "%YAML 1.2\n--- !nim:seq(tag:yaml.org,2002:str) \n- !!str one\n- !!str two"
test "Serialization: Load custom object with explicit root tag":
let input = newStringStream(
"--- !nim:Person\nfirstname: Peter\nsurname: Pan\nage: 12")
var
result: Person
parser = newYamlParser(tagLib)
events = parser.parse(input)
assert events().kind == yamlStartDocument
construct(events, result)
assert events().kind == yamlEndDocument
assert result.firstname == "Peter"
assert result.surname == "Pan"
assert result.age == 12
test "Serialization: Serialize custom object with explicit root tag":
let input = Person(firstname: "Peter", surname: "Pan", age: 12)
var output = newStringStream()
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dump(input, output, psBlockOnly, tsRootOnly)
assert output.data == "%YAML 1.2\n--- !nim:Person \nfirstname: Peter\nsurname: Pan\nage: 12"