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fix!: don't unwrap int, double by default, add a warning when a number is autoconverted to double or int #773

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fix!: don't unwrap int, double by default, add a warning when a number is autoconverted to double or int #773

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28c2327
fix: discontinue auto-conversion of JavaScript Numbers to datastore t…
crwilcox Dec 7, 2020
8a5aba8
fix!:add a warning when a number is autoconverted to double or int
crwilcox Dec 8, 2020
068b0bf
chore: gts fix
crwilcox Dec 8, 2020
a7152f5
fix: modify warnings to be phrased better
crwilcox Dec 8, 2020
b125553
fix: process.once to avoid debouncing type issues
crwilcox Dec 8, 2020
2d31c03
fix: debounce warning of typing to occur only once
crwilcox Dec 8, 2020
5b62746
chore: gts fix
crwilcox Dec 9, 2020
39e618c
chore: don't use it.only
crwilcox Dec 9, 2020
573880d
test: add test to verify typecast warning is debounced
crwilcox Dec 9, 2020
a2ba674
fix: errant console log committed
crwilcox Dec 10, 2020
beab398
test: alter expected properties to match property
crwilcox Dec 10, 2020
aa86a2f
test: add test that captures current, not desired, behavior
crwilcox Dec 10, 2020
1d80aea
feat!: do not automatically unwrap numbers for users, though allow th…
crwilcox Dec 11, 2020
b2f4e4d
test: modify test to capture now current wrap behavior. other tests n…
crwilcox Dec 11, 2020
3c6eb03
feat: extend Number on Double class
crwilcox Dec 11, 2020
62f4f3e
test: fix system tests
crwilcox Dec 11, 2020
2085357
test: fix unit tests, revert to using number for storing value of double
crwilcox Dec 12, 2020
b28df5f
test: fix system test for number/double string/number change.
crwilcox Dec 12, 2020
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58 changes: 41 additions & 17 deletions src/entity.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -580,23 +580,6 @@ export namespace entity {
return valueProto;
}

if (typeof value === 'number') {
if (Number.isInteger(value)) {
if (!Number.isSafeInteger(value)) {
process.emitWarning(
'IntegerOutOfBoundsWarning: ' +
"the value for '" +
property +
"' property is outside of bounds of a JavaScript Number.\n" +
"Use 'Datastore.int(<integer_value_as_string>)' to preserve accuracy during the upload."
);
}
value = new entity.Int(value);
} else {
value = new entity.Double(value);
}
}

if (isDsInt(value)) {
valueProto.integerValue = value.value;
return valueProto;
Expand All @@ -607,6 +590,39 @@ export namespace entity {
return valueProto;
}

if (typeof value === 'number') {
const integerOutOfBoundsWarning =
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"IntegerOutOfBoundsWarning: the value for '" +
property +
"' property is outside of bounds of a JavaScript Number.\n" +
"Use 'Datastore.int(<integer_value_as_string>)' to preserve accuracy " +
'in your database.';

const typeCastWarning =
"TypeCastWarning: the value for '" +
property +
"' property is a JavaScript Number.\n" +
"Use 'Datastore.int(<integer_value_as_string>)' or " +
"'Datastore.double(<double_value_as_string>)' to preserve consistent " +
'Datastore types in your database.';

if (Number.isInteger(value)) {
if (!Number.isSafeInteger(value)) {
process.emitWarning(integerOutOfBoundsWarning);
} else {
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Do we need the else here ?
I don't think the branches are exclusive.

Also maybe move process.emitWarning(typeCastWarning); right after l. 594 as soon as we know that the type is a number ?

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They are exclusive. They both recommend the same outcome, but I think having two separate warnings is a bit confusing. This one warning is it could be dangerous, the other is destructive. I had what you recommended earlier but it is very very noisy :)

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Note: added 'debouncing' you will only get a single typecast warning for the entity. that way it doesn't flood the warning feed.

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It might be reasonable to augment the out of bounds warning to mention the type issue as well, since that'll still be an issue if they fix their number size issue.

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Since we're debouncing the typescast warning any ways, I'd consider just dropping the if and printing both.

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I think printing both could get noisy as Chris said. I ended up going with @feywind's suggestion here.

warn('TypeCastWarning', typeCastWarning);
}
value = new entity.Int(value);
valueProto.integerValue = value.value;
return valueProto;
} else {
warn('TypeCastWarning', typeCastWarning);
value = new entity.Double(value);
valueProto.doubleValue = value.value;
return valueProto;
}
}

if (isDsGeoPoint(value)) {
valueProto.geoPointValue = value.value;
return valueProto;
Expand Down Expand Up @@ -667,6 +683,14 @@ export namespace entity {
throw new Error('Unsupported field value, ' + value + ', was provided.');
}

const warningTypesIssued = new Set<string>();
const warn = (warningName: string, warningMessage: string) => {
if (!warningTypesIssued.has(warningName)) {
warningTypesIssued.add(warningName);
process.emitWarning(warningMessage);
}
};

/**
* Convert any entity protocol to a plain object.
*
Expand Down
69 changes: 64 additions & 5 deletions test/entity.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -744,32 +744,77 @@ describe('entity', () => {
assert.deepStrictEqual(entity.encodeValue(value), expectedValueProto);
});

it('should encode an int', () => {
it('should encode an int', done => {
const value = 8;

const expectedValueProto = {
integerValue: value,
};

const property = 'undefined';
const expectedWarning =
"TypeCastWarning: the value for '" +
property +
"' property is a JavaScript Number.\n" +
"Use 'Datastore.int(<integer_value_as_string>)' or " +
"'Datastore.double(<double_value_as_string>)' to preserve consistent " +
'Datastore types in your database.';
process.once('warning', warning => {
assert.strictEqual(warning.message, expectedWarning);
done();
});

entity.Int = function (value_: {}) {
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assert.strictEqual(value_, value);
this.value = value_;
};

assert.deepStrictEqual(entity.encodeValue(value), expectedValueProto);
});

it('should encode an int but only warn once', done => {
const value = 8;

const expectedValueProto = {
integerValue: value,
};

const property = 'undefined';
const expectedWarning =
"TypeCastWarning: the value for '" +
property +
"' property is a JavaScript Number.\n" +
"Use 'Datastore.int(<integer_value_as_string>)' or " +
"'Datastore.double(<double_value_as_string>)' to preserve consistent " +
'Datastore types in your database.';
process.once('warning', warning => {
assert.strictEqual(warning.message, expectedWarning);
done();
});

entity.Int = function (value_: {}) {
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assert.strictEqual(value_, value);
this.value = value_;
};

assert.deepStrictEqual(entity.encodeValue(value), expectedValueProto);
// if an error is reported on this, done() is called more than once and
// should cause failure.
assert.deepStrictEqual(entity.encodeValue(value), expectedValueProto);
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});

it('should emit warning on out of bounce int', done => {
it('should emit warning on out of bounds int', done => {
const largeIntValue = 9223372036854775807;
const property = 'largeInt';
const expectedWarning =
'IntegerOutOfBoundsWarning: ' +
"the value for '" +
property +
"' property is outside of bounds of a JavaScript Number.\n" +
"Use 'Datastore.int(<integer_value_as_string>)' to preserve accuracy during the upload.";
"Use 'Datastore.int(<integer_value_as_string>)' to preserve accuracy " +
'in your database.';

process.on('warning', warning => {
process.once('warning', warning => {
assert.strictEqual(warning.message, expectedWarning);
done();
});
Expand All @@ -786,13 +831,27 @@ describe('entity', () => {
assert.deepStrictEqual(entity.encodeValue(value), expectedValueProto);
});

it('should encode a double', () => {
it('should encode a double', done => {
const value = 8.3;

const expectedValueProto = {
doubleValue: value,
};

const property = 'undefined';
const expectedWarning =
"TypeCastWarning: the value for '" +
property +
"' property is a JavaScript Number.\n" +
"Use 'Datastore.int(<integer_value_as_string>)' or " +
"'Datastore.double(<double_value_as_string>)' to preserve consistent " +
'Datastore types in your database.';

process.once('warning', warning => {
assert.strictEqual(warning.message, expectedWarning);
done();
});

entity.Double = function (value_: {}) {
assert.strictEqual(value_, value);
this.value = value_;
Expand Down
12 changes: 9 additions & 3 deletions test/index.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -1316,7 +1316,13 @@ describe('Datastore', () => {
arrayValue: {
values: [
{
integerValue: '0',
entityValue: {
properties: {
value: {
integerValue: '0',
},
},
},
},
{
nullValue: 0,
Expand All @@ -1342,7 +1348,7 @@ describe('Datastore', () => {
data: {
stringField: 'string value',
nullField: null,
arrayField: [0, null],
arrayField: [datastore.int(0), null],
objectField: null,
},
excludeLargeProperties: true,
Expand Down Expand Up @@ -1445,7 +1451,7 @@ describe('Datastore', () => {
data: {
value: {
a: 'b',
c: [1, 2, 3],
c: [datastore.int(1), datastore.int(2), datastore.int(3)],
},
},
},
Expand Down