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|
use lib 't/lib';
use GQLTest;
BEGIN {
use_ok( 'GraphQL::Schema' ) || print "Bail out!\n";
use_ok( 'GraphQL::Type::Object' ) || print "Bail out!\n";
use_ok( 'GraphQL::Type::Interface' ) || print "Bail out!\n";
use_ok( 'GraphQL::Type::Union' ) || print "Bail out!\n";
use_ok( 'GraphQL::Type::Scalar', qw($String $Boolean) ) || print "Bail out!\n";
use_ok( 'GraphQL::Execution', qw(execute) ) || print "Bail out!\n";
}
{
package Dog;
use Moo;
has [qw(name woofs)] => (is => 'ro');
}
{
package Cat;
use Moo;
has [qw(name meows)] => (is => 'ro');
}
{
package Human;
use Moo;
has name => (is => 'ro');
}
my @PETOBJS = (Dog->new(name => 'Odie', woofs => 1), Cat->new(name => 'Garfield', meows => 0));
my $DOC = '{
pets {
name
... on Dog {
woofs
}
... on Cat {
meows
}
}
}';
my @EXPECTED = (
{ name => 'Odie', woofs => JSON->true },
{ name => 'Garfield', meows => JSON->false },
);
sub make_schema {
my ($pets_type, $resolve, $other_args) = @_;
GraphQL::Schema->new(
query => GraphQL::Type::Object->new(
name => 'Query',
fields => {
pets => {
type => $pets_type,
resolve => $resolve,
},
},
),
@{ $other_args || [] },
);
}
# makes field-resolver that takes resolver args and calls Moo accessor, returns field_def
sub make_field {
my ($field_name, $type) = @_;
($field_name => { resolve => sub {
my ($root_value, $args, $context, $info) = @_;
my @passon = %$args ? ($args) : ();
$root_value->$field_name(@passon);
}, type => $type });
}
subtest 'isTypeOf used to resolve runtime type for Interface', sub {
my $PetType = GraphQL::Type::Interface->new(
name => 'Pet',
fields => { name => { type => $String } },
);
my $DogType = GraphQL::Type::Object->new(
name => 'Dog',
interfaces => [ $PetType ],
is_type_of => sub { $_[0]->isa('Dog') },
fields => { make_field(name => $String), make_field(woofs => $Boolean) },
);
my $CatType = GraphQL::Type::Object->new(
name => 'Cat',
interfaces => [ $PetType ],
is_type_of => sub { $_[0]->isa('Cat') },
fields => { make_field(name => $String), make_field(meows => $Boolean) },
);
my $schema = make_schema(
$PetType->list,
sub { [ @PETOBJS ] },
[ types => [ $CatType, $DogType ] ],
);
run_test(
[$schema, $DOC],
{ data => {
pets => [ @EXPECTED ],
} },
);
done_testing;
};
subtest 'isTypeOf used to resolve runtime type for Union', sub {
my $DogType = GraphQL::Type::Object->new(
name => 'Dog',
is_type_of => sub { $_[0]->isa('Dog') },
fields => { make_field(name => $String), make_field(woofs => $Boolean) },
);
my $CatType = GraphQL::Type::Object->new(
name => 'Cat',
is_type_of => sub { $_[0]->isa('Cat') },
fields => { make_field(name => $String), make_field(meows => $Boolean) },
);
my $PetType = GraphQL::Type::Union->new(
name => 'Pet',
types => [ $DogType, $CatType ],
);
my $schema = make_schema(
$PetType->list,
sub { [ @PETOBJS ] },
);
run_test(
[$schema, $DOC],
{ data => {
pets => [ @EXPECTED ],
} },
);
done_testing;
};
subtest 'resolveType on Interface yields useful error', sub {
my ($CatType, $DogType, $HumanType);
my $PetType = GraphQL::Type::Interface->new(
name => 'Pet',
fields => { name => { type => $String } },
resolve_type => sub {
$_[0]->isa('Dog') ? $DogType :
$_[0]->isa('Cat') ? $CatType :
$_[0]->isa('Human') ? $HumanType :
undef
},
);
$HumanType = GraphQL::Type::Object->new(
name => 'Human',
fields => { make_field(name => $String) },
);
$DogType = GraphQL::Type::Object->new(
name => 'Dog',
interfaces => [ $PetType ],
fields => { make_field(name => $String), make_field(woofs => $Boolean) },
);
$CatType = GraphQL::Type::Object->new(
name => 'Cat',
interfaces => [ $PetType ],
fields => { make_field(name => $String), make_field(meows => $Boolean) },
);
my $schema = make_schema(
$PetType->list,
sub { [ @PETOBJS, Human->new(name => 'Jon') ] },
[ types => [ $CatType, $DogType ] ],
);
run_test(
[$schema, $DOC],
{ data => {
pets => [ @EXPECTED, undef ],
}, errors => [
{ message => "Runtime Object type 'Human' is not a possible type for 'Pet'.",
locations => [ { line => 11, column => 1 } ],
path => [ 'pets', 2 ],
}, ] },
);
done_testing;
};
subtest 'resolveType on Union yields useful error', sub {
my ($CatType, $DogType, $HumanType);
$HumanType = GraphQL::Type::Object->new(
name => 'Human',
fields => { make_field(name => $String) },
);
$DogType = GraphQL::Type::Object->new(
name => 'Dog',
fields => { make_field(name => $String), make_field(woofs => $Boolean) },
);
$CatType = GraphQL::Type::Object->new(
name => 'Cat',
fields => { make_field(name => $String), make_field(meows => $Boolean) },
);
my $PetType = GraphQL::Type::Union->new(
name => 'Pet',
resolve_type => sub {
$_[0]->isa('Dog') ? $DogType :
$_[0]->isa('Cat') ? $CatType :
$_[0]->isa('Human') ? $HumanType :
undef
},
types => [ $DogType, $CatType ],
);
my $schema = make_schema(
$PetType->list,
sub { [ @PETOBJS, Human->new(name => 'Jon') ] },
);
run_test(
[$schema, $DOC],
{ data => {
pets => [ @EXPECTED, undef ],
}, errors => [
{ message => "Runtime Object type 'Human' is not a possible type for 'Pet'.",
locations => [ { line => 11, column => 1 } ],
path => [ 'pets', 2 ],
} ] },
);
done_testing;
};
subtest 'resolveType allows resolving with type name', sub {
my ($CatType, $DogType, $HumanType);
my $PetType = GraphQL::Type::Interface->new(
name => 'Pet',
fields => { name => { type => $String } },
resolve_type => sub {
$_[0]->isa('Dog') ? 'Dog' :
$_[0]->isa('Cat') ? 'Cat' :
undef
},
);
$DogType = GraphQL::Type::Object->new(
name => 'Dog',
interfaces => [ $PetType ],
fields => { make_field(name => $String), make_field(woofs => $Boolean) },
);
$CatType = GraphQL::Type::Object->new(
name => 'Cat',
interfaces => [ $PetType ],
fields => { make_field(name => $String), make_field(meows => $Boolean) },
);
my $schema = make_schema(
$PetType->list,
sub { [ @PETOBJS ] },
[ types => [ $CatType, $DogType ] ],
);
run_test(
[$schema, $DOC],
{ data => {
pets => [ @EXPECTED ],
} },
);
done_testing;
};
done_testing;
|
