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|
#!raku
use v6;
use Test;
use JSON::Unmarshal;
sub test-typed($json, Mu \obj-class, Mu $expected, Str :$message is copy, Bool :$is-null) {
my $type-name = $expected.^name;
my $ret;
$message //= "$type-name attribute from " ~ ($json ~~ Str ?? "JSON string" !! "a " ~ $json.^name);
subtest $message => {
plan 4;
$ret = unmarshal($json, obj-class);
lives-ok { $ret = unmarshal($json, obj-class) }, "unmarshal with $type-name typed attribute";
isa-ok $ret, obj-class.WHAT, "it's the right object type";
if $is-null {
nok $ret.attr.defined, "and unefined";
isa-ok $ret.attr, $expected.WHAT, "and the correct type";
}
else {
ok $ret.attr.defined, "and defined";
is $ret.attr, $expected, "and the correct value";
}
done-testing;
}
}
class RatClass {
has $.attr;
}
class NumClass {
has Num $.attr;
}
class IntClass {
has Int $.attr;
}
class BoolClass {
has Bool $.attr;
}
class StrClass {
has Str $.attr;
}
class IntDClass {
has Int:D $.attr is required;
}
class IntCoerced {
has Int() $.attr;
}
class IntDCoerced {
has Int:D() $.attr is required;
}
class VersionDCoerced {
has Version:D() $.attr is required;
}
class DateTimeDClass {
has DateTime:D $.attr is required;
}
my @tests =
[
'{ "attr" : 4.2 }',
RatClass,
4.2,
],
[
'{ "attr" : 4.2 }',
NumClass,
4.2,
],
[
'{ "attr" : 42 }',
IntClass,
42,
],
[
'{ "attr" : 42 }',
IntDClass,
42,
:message("Int:D attribute"),
],
[
'{ "attr" : 42 }',
IntCoerced,
42,
:message("Int() attribute"),
],
[
'{ "attr" : 42 }',
IntDCoerced,
42,
:message("Int:D() attribute"),
],
[
'{ "attr" : "0.12.42" }',
VersionDCoerced,
v0.12.42,
:message("Version:D() attribute")
],
[
'{ "attr" : true }',
BoolClass,
True,
],
[
'{ "attr" : false }',
BoolClass,
False,
:message("Bool attribute with False")
],
[
'{ "attr" : "foo" }',
StrClass,
"foo",
],
[
'{ "attr" : null }',
StrClass,
Str,
message => "Str attribute with 'null' in JSON",
:is-null,
],
[
'{ "attr": { "daycount": 59770, "month": 7, "timezone": -14400, "formatter": null, "hour": 20, "minute": 32, "year": 2022, "day": 10, "second": 12.345e0 } }',
DateTimeDClass,
DateTime.new(2022,7,10,20,32,12.345e0,:timezone(-14400)),
:message("DateTime as a definite"),
],
[
{ attr => 4.2 },
RatClass,
4.2,
],
[
{ attr => 4.2 },
NumClass,
4.2,
],
[
{ attr => 42 },
IntClass,
42,
],
[
{ attr => True },
BoolClass,
True,
],
[
{ attr => False },
BoolClass,
False,
:message("Bool attribute with False in JSON hash")
],
[
{ attr => "foo" },
StrClass,
"foo",
],
[
{ attr => Nil },
StrClass,
Str,
message => "Str attribute with Nil in JSON hash",
:is-null,
],
;
plan 2+@tests;
for @tests -> @test {
my @pos = @test.grep( * !~~ Pair );
my %named = |@test.grep( * ~~ Pair );
test-typed |@pos, |%named;
}
throws-like
{ unmarshal('{"attr": null}', IntDClass ) },
X::TypeCheck::Assignment,
"null into a definite dies";
class NastyCoercive {
has Int(Rat) $.attr;
}
throws-like
{ unmarshal('{"attr": "13"}', NastyCoercive) },
X::CannotUnmarshal,
:message(q«Cannot unmarshal "13" into type 'Int' for attribute $!attr of 'NastyCoercive'»),
"unmarshalling into a wrong type throws";
done-testing;
# vim: expandtab shiftwidth=4 ft=raku
|
