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bh=ALtEZBWvyinZG0dfPm6FOHx/NNWiaTe4U5wY2dfDQSA=; b=BJyOELPl8wQw3woGryZYPXmty2fL2BhVNwoESw71xnyldZCH5MImPkxsKsAl2WTuzmZnLq XSWeUPES+IaoITv2LvtlznRVh0Q+sWeNnx950bIdYuW/1EOp3fxciGEstnv/u1wKYrxPNE /Qn2D3cdmPZEUURfsHMyJ9YaEAZraF4= X-MC-Unique: 9Bf9q7W6MM-xX_AWvTCyHQ-1 From: Markus Armbruster To: qemu-devel@nongnu.org Cc: richard.henderson@linaro.org, =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= Subject: [PULL 17/17] qapi: allow unions to contain further unions Date: Wed, 26 Apr 2023 07:57:44 +0200 Message-Id: <20230426055744.1041930-18-armbru@redhat.com> In-Reply-To: <20230426055744.1041930-1-armbru@redhat.com> References: <20230426055744.1041930-1-armbru@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.1 on 10.11.54.7 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; 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Berrang=C3=A9 This extends the QAPI schema validation to permit unions inside unions, provided the checks for clashing fields pass. Reviewed-by: Markus Armbruster Signed-off-by: Daniel P. Berrang=C3=A9 Message-Id: <20230420102619.348173-4-berrange@redhat.com> Signed-off-by: Markus Armbruster --- tests/unit/test-qobject-input-visitor.c | 47 +++++++++++++++ tests/unit/test-qobject-output-visitor.c | 58 +++++++++++++++++++ scripts/qapi/schema.py | 6 +- tests/qapi-schema/meson.build | 2 + tests/qapi-schema/qapi-schema-test.json | 32 ++++++++++ tests/qapi-schema/qapi-schema-test.out | 29 ++++++++++ .../union-invalid-union-subfield.err | 2 + .../union-invalid-union-subfield.json | 30 ++++++++++ .../union-invalid-union-subfield.out | 0 .../union-invalid-union-subtype.err | 2 + .../union-invalid-union-subtype.json | 29 ++++++++++ .../union-invalid-union-subtype.out | 0 12 files changed, 234 insertions(+), 3 deletions(-) create mode 100644 tests/qapi-schema/union-invalid-union-subfield.err create mode 100644 tests/qapi-schema/union-invalid-union-subfield.json create mode 100644 tests/qapi-schema/union-invalid-union-subfield.out create mode 100644 tests/qapi-schema/union-invalid-union-subtype.err create mode 100644 tests/qapi-schema/union-invalid-union-subtype.json create mode 100644 tests/qapi-schema/union-invalid-union-subtype.out diff --git a/tests/unit/test-qobject-input-visitor.c b/tests/unit/test-qobj= ect-input-visitor.c index 77fbf985be..9b3e2dbe14 100644 --- a/tests/unit/test-qobject-input-visitor.c +++ b/tests/unit/test-qobject-input-visitor.c @@ -706,6 +706,51 @@ static void test_visitor_in_union_flat(TestInputVisito= rData *data, g_assert(&base->enum1 =3D=3D &tmp->enum1); } =20 +static void test_visitor_in_union_in_union(TestInputVisitorData *data, + const void *unused) +{ + Visitor *v; + g_autoptr(TestUnionInUnion) tmp =3D NULL; + + v =3D visitor_input_test_init(data, + "{ 'type': 'value-a', " + " 'type-a': 'value-a1', " + " 'integer': 2, " + " 'name': 'fish' }"); + + visit_type_TestUnionInUnion(v, NULL, &tmp, &error_abort); + g_assert_cmpint(tmp->type, =3D=3D, TEST_UNION_ENUM_VALUE_A); + g_assert_cmpint(tmp->u.value_a.type_a, =3D=3D, TEST_UNION_ENUMA_VALUE_= A1); + g_assert_cmpint(tmp->u.value_a.u.value_a1.integer, =3D=3D, 2); + g_assert_cmpint(strcmp(tmp->u.value_a.u.value_a1.name, "fish"), =3D=3D= , 0); + + qapi_free_TestUnionInUnion(tmp); + + v =3D visitor_input_test_init(data, + "{ 'type': 'value-a', " + " 'type-a': 'value-a2', " + " 'integer': 1729, " + " 'size': 87539319 }"); + + visit_type_TestUnionInUnion(v, NULL, &tmp, &error_abort); + g_assert_cmpint(tmp->type, =3D=3D, TEST_UNION_ENUM_VALUE_A); + g_assert_cmpint(tmp->u.value_a.type_a, =3D=3D, TEST_UNION_ENUMA_VALUE_= A2); + g_assert_cmpint(tmp->u.value_a.u.value_a2.integer, =3D=3D, 1729); + g_assert_cmpint(tmp->u.value_a.u.value_a2.size, =3D=3D, 87539319); + + qapi_free_TestUnionInUnion(tmp); + + v =3D visitor_input_test_init(data, + "{ 'type': 'value-b', " + " 'integer': 1729, " + " 'onoff': true }"); + + visit_type_TestUnionInUnion(v, NULL, &tmp, &error_abort); + g_assert_cmpint(tmp->type, =3D=3D, TEST_UNION_ENUM_VALUE_B); + g_assert_cmpint(tmp->u.value_b.integer, =3D=3D, 1729); + g_assert_cmpint(tmp->u.value_b.onoff, =3D=3D, true); +} + static void test_visitor_in_alternate(TestInputVisitorData *data, const void *unused) { @@ -1216,6 +1261,8 @@ int main(int argc, char **argv) NULL, test_visitor_in_null); input_visitor_test_add("/visitor/input/union-flat", NULL, test_visitor_in_union_flat); + input_visitor_test_add("/visitor/input/union-in-union", + NULL, test_visitor_in_union_in_union); input_visitor_test_add("/visitor/input/alternate", NULL, test_visitor_in_alternate); input_visitor_test_add("/visitor/input/errors", diff --git a/tests/unit/test-qobject-output-visitor.c b/tests/unit/test-qob= ject-output-visitor.c index 7f054289fe..1535b3ad17 100644 --- a/tests/unit/test-qobject-output-visitor.c +++ b/tests/unit/test-qobject-output-visitor.c @@ -352,6 +352,62 @@ static void test_visitor_out_union_flat(TestOutputVisi= torData *data, qapi_free_UserDefFlatUnion(tmp); } =20 +static void test_visitor_out_union_in_union(TestOutputVisitorData *data, + const void *unused) +{ + QDict *qdict; + + TestUnionInUnion *tmp =3D g_new0(TestUnionInUnion, 1); + tmp->type =3D TEST_UNION_ENUM_VALUE_A; + tmp->u.value_a.type_a =3D TEST_UNION_ENUMA_VALUE_A1; + tmp->u.value_a.u.value_a1.integer =3D 42; + tmp->u.value_a.u.value_a1.name =3D g_strdup("fish"); + + visit_type_TestUnionInUnion(data->ov, NULL, &tmp, &error_abort); + qdict =3D qobject_to(QDict, visitor_get(data)); + g_assert(qdict); + g_assert_cmpstr(qdict_get_str(qdict, "type"), =3D=3D, "value-a"); + g_assert_cmpstr(qdict_get_str(qdict, "type-a"), =3D=3D, "value-a1"); + g_assert_cmpint(qdict_get_int(qdict, "integer"), =3D=3D, 42); + g_assert_cmpstr(qdict_get_str(qdict, "name"), =3D=3D, "fish"); + + qapi_free_TestUnionInUnion(tmp); + + + visitor_reset(data); + tmp =3D g_new0(TestUnionInUnion, 1); + tmp->type =3D TEST_UNION_ENUM_VALUE_A; + tmp->u.value_a.type_a =3D TEST_UNION_ENUMA_VALUE_A2; + tmp->u.value_a.u.value_a2.integer =3D 1729; + tmp->u.value_a.u.value_a2.size =3D 87539319; + + visit_type_TestUnionInUnion(data->ov, NULL, &tmp, &error_abort); + qdict =3D qobject_to(QDict, visitor_get(data)); + g_assert(qdict); + g_assert_cmpstr(qdict_get_str(qdict, "type"), =3D=3D, "value-a"); + g_assert_cmpstr(qdict_get_str(qdict, "type-a"), =3D=3D, "value-a2"); + g_assert_cmpint(qdict_get_int(qdict, "integer"), =3D=3D, 1729); + g_assert_cmpint(qdict_get_int(qdict, "size"), =3D=3D, 87539319); + + qapi_free_TestUnionInUnion(tmp); + + + visitor_reset(data); + tmp =3D g_new0(TestUnionInUnion, 1); + tmp->type =3D TEST_UNION_ENUM_VALUE_B; + tmp->u.value_b.integer =3D 1729; + tmp->u.value_b.onoff =3D true; + + visit_type_TestUnionInUnion(data->ov, NULL, &tmp, &error_abort); + qdict =3D qobject_to(QDict, visitor_get(data)); + g_assert(qdict); + g_assert_cmpstr(qdict_get_str(qdict, "type"), =3D=3D, "value-b"); + g_assert_cmpint(qdict_get_int(qdict, "integer"), =3D=3D, 1729); + g_assert_cmpint(qdict_get_bool(qdict, "onoff"), =3D=3D, true); + + qapi_free_TestUnionInUnion(tmp); +} + static void test_visitor_out_alternate(TestOutputVisitorData *data, const void *unused) { @@ -586,6 +642,8 @@ int main(int argc, char **argv) &out_visitor_data, test_visitor_out_list_qapi_= free); output_visitor_test_add("/visitor/output/union-flat", &out_visitor_data, test_visitor_out_union_flat= ); + output_visitor_test_add("/visitor/output/union-in-union", + &out_visitor_data, test_visitor_out_union_in_u= nion); output_visitor_test_add("/visitor/output/alternate", &out_visitor_data, test_visitor_out_alternate); output_visitor_test_add("/visitor/output/null", diff --git a/scripts/qapi/schema.py b/scripts/qapi/schema.py index 27e336577f..231ebf61ba 100644 --- a/scripts/qapi/schema.py +++ b/scripts/qapi/schema.py @@ -465,9 +465,10 @@ def check(self, schema): # on behalf of info, which is not necessarily self.info def check_clash(self, info, seen): assert self._checked - assert not self.variants # not implemented for m in self.members: m.check_clash(info, seen) + if self.variants: + self.variants.check_clash(info, seen) =20 def connect_doc(self, doc=3DNone): super().connect_doc(doc) @@ -656,8 +657,7 @@ def check(self, schema, seen): self.info, "branch '%s' is not a value of %s" % (v.name, self.tag_member.type.describe())) - if (not isinstance(v.type, QAPISchemaObjectType) - or v.type.variants): + if not isinstance(v.type, QAPISchemaObjectType): raise QAPISemError( self.info, "%s cannot use %s" diff --git a/tests/qapi-schema/meson.build b/tests/qapi-schema/meson.build index a06515ca17..af085f745d 100644 --- a/tests/qapi-schema/meson.build +++ b/tests/qapi-schema/meson.build @@ -197,6 +197,8 @@ schemas =3D [ 'union-invalid-data.json', 'union-invalid-discriminator.json', 'union-invalid-if-discriminator.json', + 'union-invalid-union-subfield.json', + 'union-invalid-union-subtype.json', 'union-no-base.json', 'union-optional-discriminator.json', 'union-string-discriminator.json', diff --git a/tests/qapi-schema/qapi-schema-test.json b/tests/qapi-schema/qa= pi-schema-test.json index 8bbf94834a..8ca977c49d 100644 --- a/tests/qapi-schema/qapi-schema-test.json +++ b/tests/qapi-schema/qapi-schema-test.json @@ -114,6 +114,38 @@ { 'struct': 'UserDefC', 'data': { 'string1': 'str', 'string2': 'str' } } =20 +# this tests that unions can contain other unions in their branches +{ 'enum': 'TestUnionEnum', + 'data': [ 'value-a', 'value-b' ] } + +{ 'enum': 'TestUnionEnumA', + 'data': [ 'value-a1', 'value-a2' ] } + +{ 'struct': 'TestUnionTypeA1', + 'data': { 'integer': 'int', + 'name': 'str'} } + +{ 'struct': 'TestUnionTypeA2', + 'data': { 'integer': 'int', + 'size': 'int' } } + +{ 'union': 'TestUnionTypeA', + 'base': { 'type-a': 'TestUnionEnumA' }, + 'discriminator': 'type-a', + 'data': { 'value-a1': 'TestUnionTypeA1', + 'value-a2': 'TestUnionTypeA2' } } + +{ 'struct': 'TestUnionTypeB', + 'data': { 'integer': 'int', + 'onoff': 'bool' } } + +{ 'union': 'TestUnionInUnion', + 'base': { 'type': 'TestUnionEnum' }, + 'discriminator': 'type', + 'data': { 'value-a': 'TestUnionTypeA', + 'value-b': 'TestUnionTypeB' } } + + # for testing use of 'number' within alternates { 'alternate': 'AltEnumBool', 'data': { 'e': 'EnumOne', 'b': 'bool' } } { 'alternate': 'AltEnumNum', 'data': { 'e': 'EnumOne', 'n': 'number' } } diff --git a/tests/qapi-schema/qapi-schema-test.out b/tests/qapi-schema/qap= i-schema-test.out index cc34b422e6..e2f0981348 100644 --- a/tests/qapi-schema/qapi-schema-test.out +++ b/tests/qapi-schema/qapi-schema-test.out @@ -105,6 +105,35 @@ alternate UserDefAlternate object UserDefC member string1: str optional=3DFalse member string2: str optional=3DFalse +enum TestUnionEnum + member value-a + member value-b +enum TestUnionEnumA + member value-a1 + member value-a2 +object TestUnionTypeA1 + member integer: int optional=3DFalse + member name: str optional=3DFalse +object TestUnionTypeA2 + member integer: int optional=3DFalse + member size: int optional=3DFalse +object q_obj_TestUnionTypeA-base + member type-a: TestUnionEnumA optional=3DFalse +object TestUnionTypeA + base q_obj_TestUnionTypeA-base + tag type-a + case value-a1: TestUnionTypeA1 + case value-a2: TestUnionTypeA2 +object TestUnionTypeB + member integer: int optional=3DFalse + member onoff: bool optional=3DFalse +object q_obj_TestUnionInUnion-base + member type: TestUnionEnum optional=3DFalse +object TestUnionInUnion + base q_obj_TestUnionInUnion-base + tag type + case value-a: TestUnionTypeA + case value-b: TestUnionTypeB alternate AltEnumBool tag type case e: EnumOne diff --git a/tests/qapi-schema/union-invalid-union-subfield.err b/tests/qap= i-schema/union-invalid-union-subfield.err new file mode 100644 index 0000000000..91aa87bcd8 --- /dev/null +++ b/tests/qapi-schema/union-invalid-union-subfield.err @@ -0,0 +1,2 @@ +union-invalid-union-subfield.json: In union 'TestUnion': +union-invalid-union-subfield.json:25: member 'teeth' of type 'TestTypeFish= ' collides with base member 'teeth' diff --git a/tests/qapi-schema/union-invalid-union-subfield.json b/tests/qa= pi-schema/union-invalid-union-subfield.json new file mode 100644 index 0000000000..e1639d3a96 --- /dev/null +++ b/tests/qapi-schema/union-invalid-union-subfield.json @@ -0,0 +1,30 @@ +# Clash between common member and union variant's variant member +# Base's member 'teeth' clashes with TestTypeFish's + +{ 'enum': 'TestEnum', + 'data': [ 'animals', 'plants' ] } + +{ 'enum': 'TestAnimals', + 'data': [ 'fish', 'birds'] } + +{ 'struct': 'TestTypeFish', + 'data': { 'scales': 'int', 'teeth': 'int' } } + +{ 'struct': 'TestTypeBirds', + 'data': { 'feathers': 'int' } } + +{ 'union': 'TestTypeAnimals', + 'base': { 'atype': 'TestAnimals' }, + 'discriminator': 'atype', + 'data': { 'fish': 'TestTypeFish', + 'birds': 'TestTypeBirds' } } + +{ 'struct': 'TestTypePlants', + 'data': { 'integer': 'int' } } + +{ 'union': 'TestUnion', + 'base': { 'type': 'TestEnum', + 'teeth': 'int' }, + 'discriminator': 'type', + 'data': { 'animals': 'TestTypeAnimals', + 'plants': 'TestTypePlants' } } diff --git a/tests/qapi-schema/union-invalid-union-subfield.out b/tests/qap= i-schema/union-invalid-union-subfield.out new file mode 100644 index 0000000000..e69de29bb2 diff --git a/tests/qapi-schema/union-invalid-union-subtype.err b/tests/qapi= -schema/union-invalid-union-subtype.err new file mode 100644 index 0000000000..3538dc2e70 --- /dev/null +++ b/tests/qapi-schema/union-invalid-union-subtype.err @@ -0,0 +1,2 @@ +union-invalid-union-subtype.json: In union 'TestUnion': +union-invalid-union-subtype.json:25: base member 'type' of type 'TestTypeA= ' collides with base member 'type' diff --git a/tests/qapi-schema/union-invalid-union-subtype.json b/tests/qap= i-schema/union-invalid-union-subtype.json new file mode 100644 index 0000000000..ce1de51d8d --- /dev/null +++ b/tests/qapi-schema/union-invalid-union-subtype.json @@ -0,0 +1,29 @@ +# Clash between common member and union variant's common member +# Base's member 'type' clashes with TestTypeA's + +{ 'enum': 'TestEnum', + 'data': [ 'value-a', 'value-b' ] } + +{ 'enum': 'TestEnumA', + 'data': [ 'value-a1', 'value-a2' ] } + +{ 'struct': 'TestTypeA1', + 'data': { 'integer': 'int' } } + +{ 'struct': 'TestTypeA2', + 'data': { 'integer': 'int' } } + +{ 'union': 'TestTypeA', + 'base': { 'type': 'TestEnumA' }, + 'discriminator': 'type', + 'data': { 'value-a1': 'TestTypeA1', + 'value-a2': 'TestTypeA2' } } + +{ 'struct': 'TestTypeB', + 'data': { 'integer': 'int' } } + +{ 'union': 'TestUnion', + 'base': { 'type': 'TestEnum' }, + 'discriminator': 'type', + 'data': { 'value-a': 'TestTypeA', + 'value-b': 'TestTypeB' } } diff --git a/tests/qapi-schema/union-invalid-union-subtype.out b/tests/qapi= -schema/union-invalid-union-subtype.out new file mode 100644 index 0000000000..e69de29bb2 --=20 2.39.2