Press n or j to go to the next uncovered block, b, p or k for the previous block.
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import macro from 'vtk.js/Sources/macros';
const MY_ENUM = {
ZERO: 0,
FIRST: 1,
SECOND: 2,
THIRD: 3,
};
const EVENTS = ['TestAbort', 'TestPriority'];
// ----------------------------------------------------------------------------
// vtkMyClass methods
// ----------------------------------------------------------------------------
function myClass(publicAPI, model) {
// Set our className
model.classHierarchy.push('vtkMyClass');
}
// ----------------------------------------------------------------------------
// Object factory
// ----------------------------------------------------------------------------
const DEFAULT_VALUES = {
myProp1: [0, 0, 0],
myProp2: null, // Do not initialize internal objects here
myProp3: true,
myProp4: 6,
myProp5: [1, 2, 3, 4],
myProp6: [0.1, 0.2, 0.3, 0.4, 0.5],
myProp7: MY_ENUM.FIRST,
myProp8: [1, 2, 3],
_onMyProp8Changed: (publicAPI, model) => {
++model._onMyProp8ChangedCallsCount;
},
_onMyProp8ChangedCallsCount: 0,
myProp9: null,
// myProp10: null,
myProp11: 11,
_onMyProp11Changed: (publicAPI, model) => {
++model._onMyProp11ChangedCallsCount;
},
_onMyProp11ChangedCallsCount: 0,
_myProp12: [12],
_myProp13: 13,
myObjectProp: { foo: 1 },
myParameterizedObjectProp: { foo: 1, bar: 2 },
_onMyObjectPropChanged: (publicAPI, model) => {
++model._onMyObjectPropChangedCallsCount;
},
_onMyObjectPropChangedCallsCount: 0,
};
// ----------------------------------------------------------------------------
function extend(publicAPI, model, initialValues = {}) {
Object.assign(model, DEFAULT_VALUES, initialValues);
// Object methods
macro.obj(publicAPI, model);
// Create get-only macros
macro.get(publicAPI, model, ['myProp2', 'myProp4']);
// Create get-set macros
macro.setGet(publicAPI, model, ['myProp3']);
// Create set macros
macro.set(publicAPI, model, ['myProp4']);
// Create set macros for array (needs to know size)
macro.setArray(publicAPI, model, ['myProp5'], 4);
// Create get macros for array
macro.getArray(publicAPI, model, ['myProp1', 'myProp5']);
macro.setGetArray(publicAPI, model, ['myProp6'], 5);
macro.setGet(publicAPI, model, [
{ name: 'myProp7', enum: MY_ENUM, type: 'enum' },
]);
// setArray macros with default value
macro.setGetArray(publicAPI, model, ['myProp8'], 3, 0);
// setArray macros with no initial value
macro.setGetArray(publicAPI, model, ['myProp9'], 3);
// setArray macros with no size
macro.setGetArray(publicAPI, model, ['myProp10']);
// Protected variables
macro.setGet(publicAPI, model, ['_myProp11']);
macro.setGetArray(publicAPI, model, ['_myProp12'], 1);
macro.moveToProtected(publicAPI, model, ['myProp11', 'myProp12', 'myProp13']);
// Object member variables
macro.setGet(publicAPI, model, [{ name: 'myObjectProp', type: 'object' }]);
macro.setGet(publicAPI, model, [
{
name: 'myParameterizedObjectProp',
type: 'object',
params: ['foo', 'bar'],
},
]);
// Object specific methods
myClass(publicAPI, model);
// event methods
EVENTS.forEach((name) => macro.event(publicAPI, model, name));
// keystore methods
macro.keystore(publicAPI, model, { key1: 'value1', key2: 'value2' });
}
const newInstance = macro.newInstance(extend, 'vtkMyClass');
test('Macro methods scalar tests', (t) => {
t.ok('macros', 'macro setget');
const myTestClass = newInstance();
t.equal(
myTestClass.getMyProp3(),
DEFAULT_VALUES.myProp3,
'Initial gets should match defaults'
);
myTestClass.setMyProp3(false);
t.equal(myTestClass.getMyProp3(), false, 'Bool get should match set');
const mtime1 = myTestClass.getMTime();
t.equal(
myTestClass.getMyProp4(),
DEFAULT_VALUES.myProp4,
'Initial gets should match defaults'
);
myTestClass.setMyProp4(42);
const mtime2 = myTestClass.getMTime();
t.equal(myTestClass.getMyProp4(), 42, 'Int get should match set');
t.ok(mtime2 > mtime1, 'mtime should increase after set');
myTestClass.setMyProp4(42);
const mtime3 = myTestClass.getMTime();
t.ok(mtime3 === mtime2, 'mtime should not increase after idempotent set');
t.end();
});
test('Macro methods array tests', (t) => {
const myTestClass = newInstance();
t.deepEqual(
myTestClass.getMyProp1(),
DEFAULT_VALUES.myProp1,
'Initial gets should match defaults'
);
// we must wrap the non-existent call inside another function to avoid test program exiting, and tape generating error.
t.throws(
() => myTestClass.setMyProp1(1, 1, 1),
/TypeError/,
'Throw if no set method declared'
);
const myArray = [10, 20, 30, 40];
t.ok(myTestClass.setMyProp5(...myArray), 'Array spread set OK');
t.deepEqual(
myTestClass.getMyProp5(),
myArray,
'Array spread set should match get'
);
const mtime1 = myTestClass.getMTime();
myArray[0] = 99.9;
t.ok(myTestClass.setMyProp5(myArray), 'OK to set a single array argument');
const mtime2 = myTestClass.getMTime();
t.deepEqual(myTestClass.getMyProp5(), myArray, 'Array set should match get');
t.ok(mtime2 > mtime1, 'mtime should increase after set');
// set a too-short array, separate args
t.throws(
() => myTestClass.setMyProp6(1, 2, 3),
/RangeError/,
'Invalid number of values should throw'
);
t.deepEqual(
myTestClass.getMyProp6(),
DEFAULT_VALUES.myProp6,
'Keep default value after illegal set'
);
const mtime3 = myTestClass.getMTime();
t.ok(mtime3 === mtime2, 'mtime should not increase after idempotent set');
t.ok(!myTestClass.setMyProp5(myArray), 'False if set same array');
t.ok(!myTestClass.setMyProp5(...myArray), 'False if set same array');
t.ok(!myTestClass.setMyProp5([...myArray]), 'False if set same array');
t.ok(
!myTestClass.setMyProp5(new Float64Array(myArray)),
'False if set same array'
);
const mtime4 = myTestClass.getMTime();
t.ok(mtime4 === mtime3, 'mtime should not increase after same set');
// set a too-long array, single array arg
t.throws(
() => myTestClass.setMyProp5([].concat(myArray, 555)),
/RangeError/,
'Invalid number of values should throw'
);
t.deepEqual(
myTestClass.getMyProp5(),
myArray,
'Keep value after illegal set'
);
// set an string
t.throws(
() => myTestClass.setMyProp5('a string, really'),
/RangeError/,
'Invalid set with string should throw'
);
t.deepEqual(
myTestClass.getMyProp5(),
myArray,
'Keep value after illegal set'
);
const typedArray = new Float64Array(5);
t.ok(myTestClass.setMyProp6(typedArray), 'OK to set a typed array argument');
typedArray[0] = 1;
t.equal(
myTestClass.getMyProp6()[0],
0,
'setArray should copy input argument'
);
// Test default values
t.ok(myTestClass.setMyProp8(), 'OK to set no argument');
t.equal(
myTestClass.setMyProp8([]),
false,
'OK to set same empty array as argument'
);
t.equal(
myTestClass.setMyProp8(new Uint8Array()),
false,
'OK to set same empty typedarray as argument'
);
t.ok(myTestClass.setMyProp8(10), 'OK to set not enough argument');
t.equal(
myTestClass.setMyProp8(new Float64Array([10])),
false,
'OK to set too short typed array argument'
);
t.ok(myTestClass.setMyProp8([2, 3]), 'OK to set too-short array argument');
t.throws(
() => myTestClass.setMyProp8(1, 2, 3, 4),
/RangeError/,
'Invalid number of values should throw'
);
t.throws(
() => myTestClass.setMyProp8([1, 2, 3, 4]),
/RangeError/,
'Too large array should throw'
);
t.throws(
() => myTestClass.setMyProp8(new Float32Array(4)),
/RangeError/,
'Too large array should throw'
);
t.throws(
() => newInstance({ myProp9: [] }),
/RangeError/,
'Empty array should throw'
);
t.equal(myTestClass.setMyProp9(null), false);
t.equal(myTestClass.setMyProp9([0, 1, 2]), true);
t.throws(
() => myTestClass.setMyProp9(),
/RangeError/,
'Empty array should throw'
);
t.throws(
() => myTestClass.setMyProp9([]),
/RangeError/,
'Empty array should throw'
);
t.ok(
myTestClass.setMyProp10([0, 1, 2]),
'Test setting array from undefined to unlimited size'
);
t.ok(
myTestClass.setMyProp10([0, 1, 2, 3]),
'Test setting larger array for unlimited size array'
);
t.ok(
myTestClass.setMyProp10([0, 1, 2]),
'Test setting smaller array for unlimited size array'
);
const a = [2, 3, 4];
myTestClass.setMyProp10(a);
t.ok(
myTestClass.getReferenceByName('myProp10') !== a,
'Test setting array make a copy'
);
a[0] = 3;
t.ok(
myTestClass.getMyProp10()[0] === 2,
'Test setting array do not hold reference'
);
t.end();
});
test('Macro protected variables tests', (t) => {
const defaultInstance = newInstance();
t.deepEqual(defaultInstance.get('_myProp11', '_myProp12', '_myProp13'), {
_myProp11: DEFAULT_VALUES.myProp11,
_myProp12: DEFAULT_VALUES._myProp12,
_myProp13: DEFAULT_VALUES._myProp13,
});
// getter must have been renamed
t.notOk(defaultInstance.get_myProp11);
t.notOk(defaultInstance.get_myProp12);
t.notOk(defaultInstance.get_myProp13);
// setter must have been renamed
t.notOk(defaultInstance.set_myProp11);
t.notOk(defaultInstance.set_myProp12);
t.notOk(defaultInstance.set_myProp13);
t.equal(defaultInstance.getMyProp11(), DEFAULT_VALUES.myProp11);
t.deepEqual(defaultInstance.getMyProp12(), DEFAULT_VALUES._myProp12);
t.notOk(defaultInstance.getMyProp13);
t.notOk(defaultInstance.getMyProp11ByReference);
t.ok(defaultInstance.getMyProp12ByReference);
t.notOk(defaultInstance.getMyProp11ByReference);
t.ok(defaultInstance.setMyProp11(111));
t.ok(defaultInstance.setMyProp12([112]));
t.notOk(defaultInstance.setMyProp13);
t.notOk(defaultInstance.setMyProp11From);
t.ok(defaultInstance.setMyProp12From);
t.notOk(defaultInstance.setMyProp13From);
t.equal(defaultInstance.getMyProp11(), 111);
t.deepEqual(defaultInstance.getMyProp12(), [112]);
const overridenInstance = newInstance({
myProp11: 111,
myProp12: [112],
myProp13: 113,
});
t.deepEqual(overridenInstance.get('_myProp11', '_myProp12', '_myProp13'), {
_myProp11: 111,
_myProp12: [112],
_myProp13: 113,
});
const overridenInstance2 = newInstance({
_myProp11: 111,
_myProp12: [112],
_myProp13: 113,
});
t.deepEqual(overridenInstance2.get('_myProp11', '_myProp12', '_myProp13'), {
_myProp11: DEFAULT_VALUES.myProp11, // TBD
_myProp12: [112],
_myProp13: 113,
});
t.end();
});
test('Macro methods enum tests', (t) => {
const myTestClass = newInstance();
t.equal(
myTestClass.getMyProp7(),
DEFAULT_VALUES.myProp7,
'Initial gets should match defaults'
);
myTestClass.setMyProp7(MY_ENUM.THIRD);
t.equal(myTestClass.getMyProp7(), MY_ENUM.THIRD, 'Enum set should match get');
t.ok(myTestClass.setMyProp7(2));
t.equal(
myTestClass.getMyProp7(),
MY_ENUM.SECOND,
'Enum set by index should get matching enum value'
);
t.notOk(
myTestClass.setMyProp7(2),
'Setting idempotent value should return false'
);
t.throws(
() => myTestClass.setMyProp7(42),
/RangeError/,
'Invalid enum index should throw'
);
t.equal(
myTestClass.getMyProp7(),
MY_ENUM.SECOND,
'Enum set out of range should be rejected'
);
t.throws(
() => myTestClass.setMyProp7('FORTH'),
/RangeError/,
'Invalid enum string should throw'
);
t.equal(
myTestClass.getMyProp7(),
MY_ENUM.SECOND,
'Enum set string out of range should be rejected'
);
t.throws(
() => myTestClass.setMyProp7([2]),
/TypeError/,
'Invalid enum set with array/object should throw'
);
t.equal(
myTestClass.getMyProp7(),
MY_ENUM.SECOND,
'Enum set string out of range should be rejected'
);
t.end();
});
test('Macro methods object tests', (t) => {
const myTestClass = newInstance();
const mtime = myTestClass.getMTime();
t.equal(
myTestClass.setMyObjectProp({ foo: 1 }),
false,
'No change on same object'
);
t.equal(myTestClass.getMTime(), mtime, 'No change when setting same object');
t.equal(
myTestClass.setMyObjectProp({ foo: 2 }),
true,
'Change on different object'
);
t.notEqual(myTestClass.getMTime(), mtime, 'Change when setting same object');
t.deepEqual(
myTestClass.getMyObjectProp(),
{ foo: 2 },
'Change on different object'
);
myTestClass.getMyObjectProp().foo = 3;
t.deepEqual(
myTestClass.getMyObjectProp(),
{ foo: 2 },
'Getter shall return a copy'
);
myTestClass.setMyParameterizedObjectProp({ foo: 12, bar: 89, baz: 13 });
t.deepEqual(
myTestClass.getMyParameterizedObjectProp(),
{ foo: 12, bar: 89, baz: 13 },
'Setter changes on a different object'
);
myTestClass.setMyParameterizedObjectProp(16, 52);
t.deepEqual(
myTestClass.getMyParameterizedObjectProp(),
{ foo: 16, bar: 52 },
'Object setter with multiple arguments'
);
myTestClass.setMyParameterizedObjectProp(1, 2, 3);
t.deepEqual(
myTestClass.getMyParameterizedObjectProp(),
{ foo: 1, bar: 2 },
'Object setter ignores extraneous arguments'
);
t.end();
});
test('Macro methods object tests', (t) => {
const myTestClass = newInstance();
const defaultValues = { ...DEFAULT_VALUES };
defaultValues._myProp11 = defaultValues.myProp11;
delete defaultValues.myProp11;
t.ok(myTestClass.get(), 'Get entire model');
t.deepEqual(
myTestClass.get(...Object.keys(defaultValues)),
defaultValues,
'Get defaults back test'
);
t.throws(
() => {
myTestClass.getMyProp1 = () => '42';
},
/TypeError/,
'Object should be frozen'
);
t.ok(myTestClass.set({ changeWhenModified: 'foo' }));
const off = myTestClass.onModified((publicAPI) => {
publicAPI.set({ changeWhenModified: 'bar' });
});
t.ok(myTestClass.setMyProp3(false));
t.deepEqual(
myTestClass.get('changeWhenModified'),
{ changeWhenModified: 'bar' },
'Object modified fires'
);
off.unsubscribe();
myTestClass.set({ changeWhenModified: 'foobaz' });
myTestClass.setMyProp3(true);
t.deepEqual(
myTestClass.get('changeWhenModified'),
{ changeWhenModified: 'foobaz' },
'Object modified does not fire after unsubscribe'
);
t.ok(
myTestClass.set({ myProp4: 99.9, myProp5: [1, 1, 1, 1] }),
'Test mult-set'
);
t.equal(myTestClass.getMyProp4(), 99.9, 'Float get should match multi-set');
t.deepEqual(
myTestClass.getMyProp5(),
[1, 1, 1, 1],
'Array multi-set should match get'
);
t.ok(myTestClass.isA('vtkMyClass'));
t.ok(myTestClass.isA('vtkObject'));
t.notOk(myTestClass.isA('vtkPoint'));
t.equal(myTestClass.getClassName(), 'vtkMyClass');
t.doesNotThrow(() => myTestClass.delete());
t.notOk(myTestClass.getMyProp4(), 'All calls should do nothing after delete');
t.end();
});
test('Macro methods _onPropChanged tests', (t) => {
const myTestClass = newInstance();
myTestClass.setMyProp8([3, 2, 1]);
t.equal(myTestClass.get()._onMyProp8ChangedCallsCount, 1);
myTestClass.setMyProp8([3, 2, 1]);
t.equal(myTestClass.get()._onMyProp8ChangedCallsCount, 1);
myTestClass.setMyProp8([2, 3, 1]);
t.equal(myTestClass.get()._onMyProp8ChangedCallsCount, 2);
myTestClass.setMyProp11(42);
t.equal(myTestClass.get()._onMyProp11ChangedCallsCount, 1);
myTestClass.setMyProp11(42);
t.equal(myTestClass.get()._onMyProp11ChangedCallsCount, 1);
myTestClass.setMyProp11(43);
t.equal(myTestClass.get()._onMyProp11ChangedCallsCount, 2);
myTestClass.setMyObjectProp({ foo: 10 });
t.equal(myTestClass.get()._onMyObjectPropChangedCallsCount, 1);
myTestClass.setMyObjectProp({ foo: 10 });
t.equal(myTestClass.get()._onMyObjectPropChangedCallsCount, 1);
myTestClass.setMyObjectProp({ bar: 10 });
t.equal(myTestClass.get()._onMyObjectPropChangedCallsCount, 2);
t.end();
});
test('Macro methods event tests', (t) => {
const myTestClass = newInstance();
//
// Test event abortion
//
const { VOID, EVENT_ABORT } = macro;
let callCount = 0;
const cbAbort1 = () => {
++callCount;
t.equal(callCount, 1, 'cbAbort1 should be called first');
};
const cbAbort2 = () => {
++callCount;
t.equal(callCount, 2, 'cbAbort2 should be called second');
// this is a demonstration of the VOID and EVENT_ABORT return symbols.
Iif (callCount !== 2) {
return VOID;
}
return EVENT_ABORT;
};
const cbAbort3 = () => {
++callCount;
t.fail('cbAbort3 should not be called');
};
myTestClass.onTestAbort(cbAbort1);
myTestClass.onTestAbort(cbAbort2);
myTestClass.onTestAbort(cbAbort3);
myTestClass.invokeTestAbort();
t.equal(callCount, 2, 'Only 2 callbacks should be invoked, not 3');
//
// Test callback priority and subscription
//
const called = Array(3).fill(0);
const cbPriorityLast = () => {
t.ok(
called[0] && called[1] && called[2],
'cbPriorityLast should be called last after 101ms'
);
// ensure callback2 was only invoked twice
t.equal(called[2], 2, 'cbPriority2 should be called exactly twice');
t.end();
};
const cbPriority0 = () => {
called[0]++;
t.ok(called[1] && called[2], 'cbPriority0 should be called third');
};
const cbPriority1 = () => {
called[1]++;
t.ok(!called[0] && called[2], 'cbPriority1 should be called second');
};
const cbPriority2 = () => {
called[2]++;
t.ok(!called[0] && !called[1], 'cbPriority2 should be called first');
};
myTestClass.onTestPriority(cbPriorityLast, -100);
myTestClass.onTestPriority(cbPriority0);
myTestClass.onTestPriority(cbPriority1, 1.0);
myTestClass.onTestPriority(cbPriority2, 2.0);
// test duplicate listeners and unsubscribe
const { unsubscribe } = myTestClass.onTestPriority(cbPriority2, 2.0);
myTestClass.onTestPriority(cbPriority2, 2.0);
// test unsubscribe for the secon cbPriority2 callback
unsubscribe();
myTestClass.invokeTestPriority();
});
test('Macro methods keystore tests', (t) => {
const testClass = newInstance();
testClass.setKey('key3', 'value3');
t.equal(testClass.getKey('key1'), 'value1', 'key1 should exist in keystore');
t.equal(testClass.getKey('key2'), 'value2', 'key2 should exist in keystore');
t.equal(testClass.getKey('key3'), 'value3', 'key3 should exist in keystore');
t.ok(testClass.deleteKey('key2'), 'Delete key2 should succeed');
testClass.clearKeystore();
t.equal(
testClass.getAllKeys().length,
0,
'There should be no keys after clearing'
);
t.end();
});
test('Macro methods normalizeWheel tests', (t) => {
const wheelEvent = { wheelDeltaX: 120 };
let normalizeWheelReturn = macro.normalizeWheel(wheelEvent);
t.equal(
normalizeWheelReturn.spinY,
-1,
'spinY should be set when only wheelDeltaX is defined'
);
t.equal(
normalizeWheelReturn.spinY,
normalizeWheelReturn.spinX,
'spinY should equal spinX when only wheelDeltaX is defined'
);
t.equal(
normalizeWheelReturn.pixelY,
-10,
'pixelY should be set when only wheelDeltaX is defined'
);
t.equal(
normalizeWheelReturn.pixelY,
normalizeWheelReturn.pixelX,
'pixelY should equal pixelX when only wheelDeltaX is defined'
);
wheelEvent.wheelDeltaY = 240;
normalizeWheelReturn = macro.normalizeWheel(wheelEvent);
t.equal(
normalizeWheelReturn.spinY,
-2,
'spinY should be set using wheelDeltaY when defined'
);
t.equal(
normalizeWheelReturn.pixelY,
-20,
'pixelY should be set using wheelDeltaY when defined'
);
t.end();
});
test('Macro debounce can be cancelled', (t) => {
const func = () => {
t.fail('Should not call cancelled debounce function');
};
const debFunc = macro.debounce(func, 5);
debFunc();
debFunc.cancel();
// end the test after the debounce phase
setTimeout(() => t.end(), 10);
});
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