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import WebIDL
def WebIDLTest(parser, harness):
parser.parse("interface mixin Foo { };")
results = parser.finish()
harness.ok(True, "Empty interface mixin parsed without error.")
harness.check(len(results), 1, "Should be one production")
harness.ok(
isinstance(results[0], WebIDL.IDLInterfaceMixin),
"Should be an IDLInterfaceMixin",
)
mixin = results[0]
harness.check(
mixin.identifier.QName(), "::Foo", "Interface mixin has the right QName"
)
harness.check(mixin.identifier.name, "Foo", "Interface mixin has the right name")
parser = parser.reset()
parser.parse(
"""
interface mixin QNameBase {
const long foo = 3;
};
"""
)
results = parser.finish()
harness.check(len(results), 1, "Should be one productions")
harness.ok(
isinstance(results[0], WebIDL.IDLInterfaceMixin),
"Should be an IDLInterfaceMixin",
)
harness.check(len(results[0].members), 1, "Expect 1 productions")
mixin = results[0]
harness.check(
mixin.members[0].identifier.QName(),
"::QNameBase::foo",
"Member has the right QName",
)
parser = parser.reset()
parser.parse(
"""
interface mixin A {
readonly attribute boolean x;
undefined foo();
};
partial interface mixin A {
readonly attribute boolean y;
undefined foo(long arg);
};
"""
)
results = parser.finish()
harness.check(
len(results), 2, "Should have two results with partial interface mixin"
)
mixin = results[0]
harness.check(
len(mixin.members), 3, "Should have three members with partial interface mixin"
)
harness.check(
mixin.members[0].identifier.name,
"x",
"First member should be x with partial interface mixin",
)
harness.check(
mixin.members[1].identifier.name,
"foo",
"Second member should be foo with partial interface mixin",
)
harness.check(
len(mixin.members[1].signatures()),
2,
"Should have two foo signatures with partial interface mixin",
)
harness.check(
mixin.members[2].identifier.name,
"y",
"Third member should be y with partial interface mixin",
)
parser = parser.reset()
parser.parse(
"""
partial interface mixin A {
readonly attribute boolean y;
undefined foo(long arg);
};
interface mixin A {
readonly attribute boolean x;
undefined foo();
};
"""
)
results = parser.finish()
harness.check(
len(results), 2, "Should have two results with reversed partial interface mixin"
)
mixin = results[1]
harness.check(
len(mixin.members),
3,
"Should have three members with reversed partial interface mixin",
)
harness.check(
mixin.members[0].identifier.name,
"x",
"First member should be x with reversed partial interface mixin",
)
harness.check(
mixin.members[1].identifier.name,
"foo",
"Second member should be foo with reversed partial interface mixin",
)
harness.check(
len(mixin.members[1].signatures()),
2,
"Should have two foo signatures with reversed partial interface mixin",
)
harness.check(
mixin.members[2].identifier.name,
"y",
"Third member should be y with reversed partial interface mixin",
)
parser = parser.reset()
parser.parse(
"""
interface Interface {};
interface mixin Mixin {
attribute short x;
};
Interface includes Mixin;
"""
)
results = parser.finish()
iface = results[0]
harness.check(len(iface.members), 1, "Should merge members from mixins")
harness.check(
iface.members[0].identifier.name, "x", "Should merge members from mixins"
)
parser = parser.reset()
threw = False
try:
parser.parse(
"""
interface mixin A {
readonly attribute boolean x;
};
interface mixin A {
readonly attribute boolean y;
};
"""
)
results = parser.finish()
except WebIDL.WebIDLError:
threw = True
harness.ok(
threw, "Should not allow two non-partial interface mixins with the same name"
)
parser = parser.reset()
threw = False
try:
parser.parse(
"""
partial interface mixin A {
readonly attribute boolean x;
};
partial interface mixin A {
readonly attribute boolean y;
};
"""
)
results = parser.finish()
except WebIDL.WebIDLError:
threw = True
harness.ok(threw, "Must have a non-partial interface mixin for a given name")
parser = parser.reset()
threw = False
try:
parser.parse(
"""
dictionary A {
boolean x;
};
partial interface mixin A {
readonly attribute boolean y;
};
"""
)
results = parser.finish()
except WebIDL.WebIDLError:
threw = True
harness.ok(
threw,
"Should not allow a name collision between partial interface "
"mixin and other object",
)
parser = parser.reset()
threw = False
try:
parser.parse(
"""
dictionary A {
boolean x;
};
interface mixin A {
readonly attribute boolean y;
};
"""
)
results = parser.finish()
except WebIDL.WebIDLError:
threw = True
harness.ok(
threw,
"Should not allow a name collision between interface mixin " "and other object",
)
parser = parser.reset()
threw = False
try:
parser.parse(
"""
interface mixin A {
readonly attribute boolean x;
};
interface A;
"""
)
results = parser.finish()
except WebIDL.WebIDLError:
threw = True
harness.ok(
threw,
"Should not allow a name collision between external interface "
"and interface mixin",
)
parser = parser.reset()
threw = False
try:
parser.parse(
"""
[SomeRandomAnnotation]
interface mixin A {
readonly attribute boolean y;
};
"""
)
results = parser.finish()
except WebIDL.WebIDLError:
threw = True
harness.ok(
threw, "Should not allow unknown extended attributes on interface mixins"
)
parser = parser.reset()
threw = False
try:
parser.parse(
"""
interface mixin A {
getter double (DOMString propertyName);
};
"""
)
results = parser.finish()
except WebIDL.WebIDLError:
threw = True
harness.ok(threw, "Should not allow getters on interface mixins")
parser = parser.reset()
threw = False
try:
parser.parse(
"""
interface mixin A {
setter undefined (DOMString propertyName, double propertyValue);
};
"""
)
results = parser.finish()
except WebIDL.WebIDLError:
threw = True
harness.ok(threw, "Should not allow setters on interface mixins")
parser = parser.reset()
threw = False
try:
parser.parse(
"""
interface mixin A {
deleter undefined (DOMString propertyName);
};
"""
)
results = parser.finish()
except WebIDL.WebIDLError:
threw = True
harness.ok(threw, "Should not allow deleters on interface mixins")
parser = parser.reset()
threw = False
try:
parser.parse(
"""
interface mixin A {
legacycaller double compute(double x);
};
"""
)
results = parser.finish()
except WebIDL.WebIDLError:
threw = True
harness.ok(threw, "Should not allow legacycallers on interface mixins")
parser = parser.reset()
threw = False
try:
parser.parse(
"""
interface mixin A {
inherit attribute x;
};
"""
)
results = parser.finish()
except WebIDL.WebIDLError:
threw = True
harness.ok(threw, "Should not allow inherited attribute on interface mixins")
parser = parser.reset()
threw = False
try:
parser.parse(
"""
interface Interface {};
interface NotMixin {
attribute short x;
};
Interface includes NotMixin;
"""
)
results = parser.finish()
except WebIDL.WebIDLError:
threw = True
harness.ok(threw, "Should fail if the right side does not point an interface mixin")
parser = parser.reset()
threw = False
try:
parser.parse(
"""
interface mixin NotInterface {};
interface mixin Mixin {
attribute short x;
};
NotInterface includes Mixin;
"""
)
results = parser.finish()
except WebIDL.WebIDLError:
threw = True
harness.ok(threw, "Should fail if the left side does not point an interface")
parser = parser.reset()
threw = False
try:
parser.parse(
"""
interface mixin Mixin {
iterable<DOMString>;
};
"""
)
results = parser.finish()
except WebIDL.WebIDLError:
threw = True
harness.ok(threw, "Should fail if an interface mixin includes iterable")
parser = parser.reset()
threw = False
try:
parser.parse(
"""
interface mixin Mixin {
setlike<DOMString>;
};
"""
)
results = parser.finish()
except WebIDL.WebIDLError:
threw = True
harness.ok(threw, "Should fail if an interface mixin includes setlike")
parser = parser.reset()
threw = False
try:
parser.parse(
"""
interface mixin Mixin {
maplike<DOMString, DOMString>;
};
"""
)
results = parser.finish()
except WebIDL.WebIDLError:
threw = True
harness.ok(threw, "Should fail if an interface mixin includes maplike")
parser = parser.reset()
threw = False
try:
parser.parse(
"""
interface Interface {
attribute short attr;
};
interface mixin Mixin {
attribute short attr;
};
Interface includes Mixin;
"""
)
results = parser.finish()
except WebIDL.WebIDLError:
threw = True
harness.ok(
threw, "Should fail if the included mixin interface has duplicated member"
)
parser = parser.reset()
threw = False
try:
parser.parse(
"""
interface Interface {};
interface mixin Mixin1 {
attribute short attr;
};
interface mixin Mixin2 {
attribute short attr;
};
Interface includes Mixin1;
Interface includes Mixin2;
"""
)
results = parser.finish()
except WebIDL.WebIDLError:
threw = True
harness.ok(
threw, "Should fail if the included mixin interfaces have duplicated member"
)
parser = parser.reset()
parser.parse(
"""
[Global=Window, Exposed=Window] interface Window {};
[Global=Worker, Exposed=Worker] interface Worker {};
[Exposed=Window]
interface Base {};
interface mixin Mixin {
Base returnSelf();
};
Base includes Mixin;
"""
)
results = parser.finish()
base = results[2]
attr = base.members[0]
harness.check(
attr.exposureSet,
set(["Window"]),
"Should expose on globals where the base interfaces are exposed",
)
parser = parser.reset()
parser.parse(
"""
[Global=Window, Exposed=Window] interface Window {};
[Global=Worker, Exposed=Worker] interface Worker {};
[Exposed=Window]
interface Base {};
[Exposed=Window]
interface mixin Mixin {
attribute short a;
};
Base includes Mixin;
"""
)
results = parser.finish()
base = results[2]
attr = base.members[0]
harness.check(
attr.exposureSet, set(["Window"]), "Should follow [Exposed] on interface mixin"
)
parser = parser.reset()
parser.parse(
"""
[Global=Window, Exposed=Window] interface Window {};
[Global=Worker, Exposed=Worker] interface Worker {};
[Exposed=Window]
interface Base1 {};
[Exposed=Worker]
interface Base2 {};
interface mixin Mixin {
attribute short a;
};
Base1 includes Mixin;
Base2 includes Mixin;
"""
)
results = parser.finish()
base = results[2]
attr = base.members[0]
harness.check(
attr.exposureSet,
set(["Window", "Worker"]),
"Should expose on all globals where including interfaces are " "exposed",
)
base = results[3]
attr = base.members[0]
harness.check(
attr.exposureSet,
set(["Window", "Worker"]),
"Should expose on all globals where including interfaces are " "exposed",
)