mirror of
https://github.com/gristlabs/grist-core.git
synced 2024-10-27 20:44:07 +00:00
a52d56f613
Summary: - Moved /test/client and /test/common to core. - Moved two files (CircularArray and RecentItems) from app/common to core/app/common. - Moved resetOrg test to gen-server. - `testrun.sh` is now invoking common and client test from core. - Added missing packages to core's package.json (and revealed underscore as it is used in the main app). - Removed Coord.js as it is not used anywhere. Test Plan: Existing tests Reviewers: paulfitz Reviewed By: paulfitz Subscribers: paulfitz Differential Revision: https://phab.getgrist.com/D3590
393 lines
15 KiB
TypeScript
393 lines
15 KiB
TypeScript
import {getCurrency, locales} from 'app/common/Locales';
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import {NumMode, parseNumMode} from 'app/common/NumberFormat';
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import NumberParse from 'app/common/NumberParse';
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import {assert} from 'chai';
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import * as _ from 'lodash';
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describe("NumberParse", function() {
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let parser = new NumberParse("en", "USD");
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function check(str: string, expected: number | null) {
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const parsed = parser.parse(str);
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assert.equal(parsed?.result ?? null, expected);
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}
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it("can do basic parsing", function() {
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check("123", 123);
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check("-123", -123);
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check("-123.456", -123.456);
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check("-1.234e56", -1.234e56);
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check("1.234e-56", 1.234e-56);
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check("(1.234e56)", -1.234e56);
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check("($1.23)", -1.23);
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check("($ 1.23)", -1.23);
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check("$ 1.23", 1.23);
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check("$1.23", 1.23);
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check("12.34%", 0.1234);
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check("1,234,567.89", 1234567.89);
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check(".89", .89);
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check(".89000", .89);
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check("0089", 89);
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// The digit separator is ',' but spaces are always removed anyway
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check("1 234 567.89", 1234567.89);
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assert.equal(parser.parse(""), null);
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check(" ", null);
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check("()", null);
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check(" ( ) ", null);
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check(" (,) ", null);
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check(" (.) ", null);
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check(",", null);
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check(",.", null);
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check(".,", null);
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check(",,,", null);
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check("...", null);
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check(".", null);
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check("%", null);
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check("$", null);
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check("(ABC)", null);
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check("ABC", null);
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check("USD", null);
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check("NaN", null);
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check("NAN", null);
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check("nan", null);
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// Currency symbol can only appear once
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check("$$1.23", null);
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// Other currency symbols not allowed
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check("USD 1.23", null);
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check("€ 1.23", null);
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check("£ 1.23", null);
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check("$ 1.23", 1.23);
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// Parentheses represent negative numbers,
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// so the number inside can't also be negative or 0
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check("(0)", null);
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check("(-1.23)", null);
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check("(1.23)", -1.23);
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check("-1.23", -1.23);
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// Only one % allowed
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check("12.34%%", null);
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check("12.34%", 0.1234);
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});
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it("can handle different minus sign positions", function() {
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parser = new NumberParse("fy", "EUR");
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let formatter = Intl.NumberFormat("fy", {style: "currency", currency: "EUR"});
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assert.isTrue(parser.currencyEndsInMinusSign);
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// Note the '-' is at the end
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assert.equal(formatter.format(-1), "€ 1,00-");
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// The parser can handle this, it also allows the '-' in the beginning as usual
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check("€ 1,00-", -1);
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check("€ -1,00", -1);
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check("-€ 1,00", -1);
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// But it's only allowed at the end for currency amounts, to match the formatter
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check("1,00-", null);
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check("-1,00", -1);
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// By contrast, this locale doesn't put '-' at the end so the parser doesn't allow that
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parser = new NumberParse("en", "USD");
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formatter = Intl.NumberFormat("en", {style: "currency", currency: "USD"});
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assert.isFalse(parser.currencyEndsInMinusSign);
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assert.equal(formatter.format(-1), "-$1.00");
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check("-$1.00", -1);
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check("$-1.00", -1);
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check("$1.00-", null);
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check("-1.00", -1);
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check("1.00-", null);
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});
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it("can handle different separators", function() {
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let formatter = Intl.NumberFormat("en", {useGrouping: true});
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assert.equal(formatter.format(123456789.123), "123,456,789.123");
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parser = new NumberParse("en", "USD");
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assert.equal(parser.digitGroupSeparator, ",");
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assert.equal(parser.digitGroupSeparatorCurrency, ",");
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assert.equal(parser.decimalSeparator, ".");
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check("123,456,789.123", 123456789.123);
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// The typical separator is ',' but spaces are always removed anyway
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check("123 456 789.123", 123456789.123);
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// There must be at least two digits after the separator
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check("123,456", 123456);
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check("12,34,56", 123456);
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check("1,2,3,4,5,6", null);
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check("123,,456", null);
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check("1,234", 1234);
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check("123,4", null);
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// This locale uses 'opposite' separators to the above, i.e. ',' and '.' have swapped roles
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formatter = Intl.NumberFormat("de-AT", {useGrouping: true, currency: "EUR", style: "currency"});
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assert.equal(formatter.format(123456789.123), '€ 123.456.789,12');
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// But only for currency amounts! Non-currency amounts use NBSP (non-breaking space) for the digit separator
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formatter = Intl.NumberFormat("de-AT", {useGrouping: true});
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assert.equal(formatter.format(123456789.123), '123 456 789,123');
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parser = new NumberParse("de-AT", "EUR");
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assert.equal(parser.digitGroupSeparator, " ");
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assert.equal(parser.digitGroupSeparatorCurrency, ".");
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assert.equal(parser.decimalSeparator, ",");
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check("€ 123.456.789,123", 123456789.123);
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check("€ 123 456 789,123", 123456789.123);
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// The parser allows the currency separator for non-currency amounts
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check(" 123.456.789,123", 123456789.123);
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check(" 123 456 789,123", 123456789.123); // normal space
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check(" 123 456 789,123", 123456789.123); // NBSP
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formatter = Intl.NumberFormat("en-ZA", {useGrouping: true});
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assert.equal(formatter.format(123456789.123), '123 456 789,123');
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parser = new NumberParse("en-ZA", "ZAR");
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assert.equal(parser.digitGroupSeparator, " ");
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assert.equal(parser.digitGroupSeparatorCurrency, " ");
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assert.equal(parser.decimalSeparator, ",");
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// ',' is the official decimal separator of this locale,
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// but in general '.' will also work as long as it's not the digit separator.
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check("123 456 789,123", 123456789.123);
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check("123 456 789.123", 123456789.123);
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});
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it("returns basic info about formatting options for a single string", function() {
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parser = new NumberParse("en", "USD");
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assert.isNull(parser.parse(""));
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assert.isNull(parser.parse("a b"));
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const defaultOptions = {
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isCurrency: false,
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isParenthesised: false,
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hasDigitGroupSeparator: false,
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isScientific: false,
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isPercent: false,
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};
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assert.deepEqual(parser.parse("1"),
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{result: 1, cleaned: "1", options: defaultOptions});
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assert.deepEqual(parser.parse("$1"),
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{result: 1, cleaned: "1", options: {...defaultOptions, isCurrency: true}});
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assert.deepEqual(parser.parse("100%"),
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{result: 1, cleaned: "100", options: {...defaultOptions, isPercent: true}});
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assert.deepEqual(parser.parse("1,000"),
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{result: 1000, cleaned: "1000", options: {...defaultOptions, hasDigitGroupSeparator: true}});
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assert.deepEqual(parser.parse("1E2"),
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{result: 100, cleaned: "1e2", options: {...defaultOptions, isScientific: true}});
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assert.deepEqual(parser.parse("$1,000"),
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{result: 1000, cleaned: "1000", options: {...defaultOptions, isCurrency: true, hasDigitGroupSeparator: true}});
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});
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it("guesses formatting options", function() {
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parser = new NumberParse("en", "USD");
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assert.deepEqual(parser.guessOptions([]), {});
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assert.deepEqual(parser.guessOptions([""]), {});
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assert.deepEqual(parser.guessOptions([null]), {});
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assert.deepEqual(parser.guessOptions(["", null]), {});
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assert.deepEqual(parser.guessOptions(["abc"]), {});
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assert.deepEqual(parser.guessOptions(["1"]), {});
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assert.deepEqual(parser.guessOptions(["1", "", null, "abc"]), {});
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assert.deepEqual(parser.guessOptions(["$1,000"]), {numMode: "currency", decimals: 0});
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assert.deepEqual(parser.guessOptions(["1,000%"]), {numMode: "percent"});
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assert.deepEqual(parser.guessOptions(["1,000"]), {numMode: "decimal"});
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assert.deepEqual(parser.guessOptions(["1E2"]), {numMode: "scientific"});
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// Choose the most common mode when there are several candidates
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assert.deepEqual(parser.guessOptions(["$1", "$2", "3%"]), {numMode: "currency", decimals: 0});
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assert.deepEqual(parser.guessOptions(["$1", "2%", "3%"]), {numMode: "percent"});
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assert.deepEqual(parser.guessOptions(["(2)"]), {numSign: 'parens'});
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assert.deepEqual(parser.guessOptions(["(2)", "3"]), {numSign: 'parens'});
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// If we see a negative number not surrounded by parens, assume that other parens mean something else
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assert.deepEqual(parser.guessOptions(["(2)", "-3"]), {});
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assert.deepEqual(parser.guessOptions(["($2)"]), {numSign: 'parens', numMode: "currency", decimals: 0});
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// Guess 'decimal' (i.e. with thousands separators) even if most numbers don't have separators
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assert.deepEqual(parser.guessOptions(["1", "10", "100", "1,000"]), {numMode: "decimal"});
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// For USD, currencies are formatted with minimum 2 decimal places by default,
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// so if the data doesn't have that many decimals we have to explicitly specify the number of decimals, default 0.
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// The number of digits for other currencies is defaultNumDecimalsCurrency, tested a bit further down.
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assert.deepEqual(parser.guessOptions(["$1"]), {numMode: "currency", decimals: 0});
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assert.deepEqual(parser.guessOptions(["$1.2"]), {numMode: "currency", decimals: 0});
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assert.deepEqual(parser.guessOptions(["$1.23"]), {numMode: "currency"});
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assert.deepEqual(parser.guessOptions(["$1.234"]), {numMode: "currency"});
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// Otherwise decimal places are guessed based on trailing zeroes
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assert.deepEqual(parser.guessOptions(["$1.0"]), {numMode: "currency", decimals: 1});
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assert.deepEqual(parser.guessOptions(["$1.00"]), {numMode: "currency", decimals: 2});
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assert.deepEqual(parser.guessOptions(["$1.000"]), {numMode: "currency", decimals: 3});
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assert.deepEqual(parser.guessOptions(["1E2"]), {numMode: "scientific"});
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assert.deepEqual(parser.guessOptions(["1.3E2"]), {numMode: "scientific"});
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assert.deepEqual(parser.guessOptions(["1.34E2"]), {numMode: "scientific"});
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assert.deepEqual(parser.guessOptions(["1.0E2"]), {numMode: "scientific", decimals: 1});
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assert.deepEqual(parser.guessOptions(["1.30E2"]), {numMode: "scientific", decimals: 2});
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assert.equal(parser.defaultNumDecimalsCurrency, 2);
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parser = new NumberParse("en", "TND");
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assert.equal(parser.defaultNumDecimalsCurrency, 3);
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parser = new NumberParse("en", "ZMK");
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assert.equal(parser.defaultNumDecimalsCurrency, 0);
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});
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// Nice mixture of numbers of different sizes and containing all digits
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const numbers = [
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..._.range(1, 12),
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..._.range(3, 20).map(n => Math.pow(3, n)),
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..._.range(10).map(n => Math.pow(10, -n) * 1234560798),
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];
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numbers.push(...numbers.map(n => -n));
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numbers.push(...numbers.map(n => 1 / n));
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numbers.push(0); // added at the end because of the division just before
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// Formatter to compare numbers that only differ because of floating point precision errors
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const basicFormatter = Intl.NumberFormat("en", {
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maximumSignificantDigits: 15,
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useGrouping: false,
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});
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// All values supported by parseNumMode
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const numModes: Array<NumMode | undefined> = ['currency', 'decimal', 'percent', 'scientific', undefined];
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// Generate a test suite for every supported locale
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for (const locale of locales) {
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describe(`with ${locale.code} locale (${locale.name})`, function() {
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const currency = getCurrency(locale.code);
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beforeEach(() => {
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parser = new NumberParse(locale.code, currency);
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});
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it("has sensible parser attributes", function() {
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// These don't strictly need to have length 1, but it's nice to know
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assert.lengthOf(parser.percentageSymbol, 1);
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assert.lengthOf(parser.minusSign, 1);
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assert.lengthOf(parser.decimalSeparator, 1);
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// These *do* need to be a single character since the regex uses `[]`.
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assert.lengthOf(parser.digitGroupSeparator, 1);
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// This is the only symbol that's allowed to be empty
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assert.include([0, 1], parser.digitGroupSeparatorCurrency.length);
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assert.isNotEmpty(parser.exponentSeparator);
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assert.isNotEmpty(parser.currencySymbol);
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const symbols = [
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parser.percentageSymbol,
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parser.minusSign,
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parser.decimalSeparator,
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parser.digitGroupSeparator,
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parser.exponentSeparator,
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parser.currencySymbol,
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...parser.digitsMap.keys(),
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];
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// All the symbols must be distinct
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assert.equal(symbols.length, new Set(symbols).size);
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// The symbols mustn't contain characters that the parser removes (e.g. spaces)
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// or they won't be replaced correctly.
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// The digit group separators are OK because they're removed anyway, and often the separator is a space.
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// Currency is OK because it gets removed before these characters.
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for (const symbol of symbols) {
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if (![
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parser.digitGroupSeparator,
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parser.digitGroupSeparatorCurrency,
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parser.currencySymbol,
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].includes(symbol)) {
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assert.equal(symbol, symbol.replace(NumberParse.removeCharsRegex, "REMOVED"));
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}
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}
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// Decimal and digit separators have to be different.
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// We checked digitGroupSeparator already with the Set above,
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// but not digitGroupSeparatorCurrency because it can equal digitGroupSeparator.
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assert.notEqual(parser.decimalSeparator, parser.digitGroupSeparator);
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assert.notEqual(parser.decimalSeparator, parser.digitGroupSeparatorCurrency);
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for (const key of parser.digitsMap.keys()) {
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assert.lengthOf(key, 1);
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assert.lengthOf(parser.digitsMap.get(key)!, 1);
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}
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});
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it("can parse formatted numbers", function() {
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for (const numMode of numModes) {
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const formatter = Intl.NumberFormat(locale.code, {
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...parseNumMode(numMode, currency),
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maximumFractionDigits: 15,
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maximumSignificantDigits: 15,
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});
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for (const num of numbers) {
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const fnum = formatter.format(num);
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const formattedNumbers = [fnum];
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if (num > 0 && fnum[0] === "0") {
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// E.g. test that '.5' is parsed as '0.5'
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formattedNumbers.push(fnum.substring(1));
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}
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if (num < 0) {
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formattedNumbers.push(`(${formatter.format(-num)})`);
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}
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for (const formatted of formattedNumbers) {
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const parsed = parser.parse(formatted)?.result;
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// Fast check, particularly to avoid formatting the numbers
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// Makes the tests about 1.5s/30% faster.
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if (parsed === num) {
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continue;
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}
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try {
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assert.exists(parsed);
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assert.equal(
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basicFormatter.format(parsed!),
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basicFormatter.format(num),
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);
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} catch (e) {
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// Handy information for understanding failures
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// tslint:disable-next-line:no-console
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console.log({
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num, formatted, parsed, numMode, parser,
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parts: formatter.formatToParts(num),
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formattedChars: [...formatted].map(char => ({
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char,
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// To see invisible characters, e.g. RTL/LTR marks
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codePoint: char.codePointAt(0),
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codePointHex: char.codePointAt(0)!.toString(16),
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})),
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formatterOptions: formatter.resolvedOptions(),
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});
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throw e;
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}
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}
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}
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}
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});
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});
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}
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});
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