/
checkers.test.js
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/
checkers.test.js
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const checkers = require("../../lib/checkers/checkers");
const { check } = require("../../lib/exports");
// Vars.
const circular = [];
circular[0] = circular;
// Tests.
describe("checkers", () => {
test("Every checker passes correctly", () => {
// Mock check() so we can check we tested everything.
const called = [];
function mockCheck(v, k) {
called.push(k);
return check(v, k);
}
// Primitives.
expect(mockCheck(null, "primitive")).toBe(undefined);
expect(mockCheck(null, "null")).toBe(undefined);
expect(mockCheck(undefined, "undefined")).toBe(undefined);
expect(mockCheck(undefined, "void")).toBe(undefined);
expect(mockCheck(undefined, "undef")).toBe(undefined);
expect(mockCheck(true, "defined")).toBe(undefined);
expect(mockCheck(true, "def")).toBe(undefined);
// Booleans.
expect(mockCheck(true, "boolean")).toBe(undefined);
expect(mockCheck(true, "bool")).toBe(undefined);
expect(mockCheck(true, "true")).toBe(undefined);
expect(mockCheck(false, "false")).toBe(undefined);
expect(mockCheck(true, "truthy")).toBe(undefined);
expect(mockCheck(false, "falsy")).toBe(undefined);
// Numbers.
expect(mockCheck(0, "zero")).toBe(undefined);
expect(mockCheck(1, "one")).toBe(undefined);
expect(mockCheck(NaN, "nan")).toBe(undefined);
expect(mockCheck(1.5, "number")).toBe(undefined);
expect(mockCheck(1.5, "num")).toBe(undefined);
expect(mockCheck(1.5, "+number")).toBe(undefined);
expect(mockCheck(0.5, "+num")).toBe(undefined);
expect(mockCheck(-1.5, "-number")).toBe(undefined);
expect(mockCheck(-1.5, "-num")).toBe(undefined);
expect(mockCheck(1, "integer")).toBe(undefined);
expect(mockCheck(1, "int")).toBe(undefined);
expect(mockCheck(1, "+integer")).toBe(undefined);
expect(mockCheck(1, "+int")).toBe(undefined);
expect(mockCheck(-1, "-integer")).toBe(undefined);
expect(mockCheck(-1, "-int")).toBe(undefined);
expect(mockCheck(-128, "int8")).toBe(undefined);
expect(mockCheck(127, "byte")).toBe(undefined);
expect(mockCheck(0, "uint8")).toBe(undefined);
expect(mockCheck(255, "octet")).toBe(undefined);
expect(mockCheck(-32768, "int16")).toBe(undefined);
expect(mockCheck(32767, "short")).toBe(undefined);
expect(mockCheck(0, "uint16")).toBe(undefined);
expect(mockCheck(65535, "ushort")).toBe(undefined);
expect(mockCheck(-2147483648, "int32")).toBe(undefined);
expect(mockCheck(2147483647, "long")).toBe(undefined);
expect(mockCheck(0, "uint32")).toBe(undefined);
expect(mockCheck(4294967295, "ulong")).toBe(undefined);
// Strings.
expect(mockCheck("a", "string")).toBe(undefined);
expect(mockCheck("a", "str")).toBe(undefined);
expect(mockCheck("abc123", "alphanumeric")).toBe(undefined);
expect(mockCheck("abc", "alphabetic")).toBe(undefined);
expect(mockCheck("123", "numeric")).toBe(undefined);
expect(mockCheck("myvar", "lower")).toBe(undefined);
expect(mockCheck("MYVAR", "upper")).toBe(undefined);
expect(mockCheck("myVar", "camel")).toBe(undefined);
expect(mockCheck("MyVar", "pascal")).toBe(undefined);
expect(mockCheck("my_var", "snake")).toBe(undefined);
expect(mockCheck("MY_VAR", "screaming")).toBe(undefined);
expect(mockCheck("my-var", "kebab")).toBe(undefined);
expect(mockCheck("my-var", "slug")).toBe(undefined);
expect(mockCheck("My-Var", "train")).toBe(undefined);
expect(mockCheck("$name", "identifier")).toBe(undefined);
expect(mockCheck("abc/def", "path")).toBe(undefined);
expect(mockCheck("..\\abc\\def", "rel")).toBe(undefined);
expect(mockCheck("../abc/def", "relative")).toBe(undefined);
expect(mockCheck("/abc/def", "abs")).toBe(undefined);
expect(mockCheck("C:\\abc\\def", "absolute")).toBe(undefined);
// Objects.
expect(mockCheck(function() {}, "function")).toBe(undefined);
expect(mockCheck(function() {}, "func")).toBe(undefined);
expect(mockCheck({}, "object")).toBe(undefined);
expect(mockCheck({ a: 1 }, "obj")).toBe(undefined);
expect(mockCheck({}, "objectlike")).toBe(undefined);
expect(mockCheck({ [Symbol.iterator]: () => {} }, "iterable")).toBe(undefined);
expect(mockCheck(circular, "circular")).toBe(undefined);
expect(mockCheck([], "array")).toBe(undefined);
expect(mockCheck([], "arr")).toBe(undefined);
expect(mockCheck({ "0": "abc", length: 1 }, "arraylike")).toBe(undefined);
expect(mockCheck({ length: 0 }, "arguments")).toBe(undefined);
expect(mockCheck({ length: 0 }, "args")).toBe(undefined);
expect(mockCheck(new Date(), "date")).toBe(undefined);
expect(mockCheck(new Date(2080, 0, 1), "future")).toBe(undefined);
expect(mockCheck(new Date(1980, 0, 1), "past")).toBe(undefined);
expect(mockCheck(new Map(), "map")).toBe(undefined);
expect(mockCheck(new WeakMap(), "weakmap")).toBe(undefined);
expect(mockCheck(new Set(), "set")).toBe(undefined);
expect(mockCheck(new WeakSet(), "weakset")).toBe(undefined);
expect(mockCheck(Promise.resolve(), "promise")).toBe(undefined);
expect(mockCheck(/[abc]+/g, "regexp")).toBe(undefined);
expect(mockCheck(/[abc]+/g, "regex")).toBe(undefined);
expect(mockCheck(new Error("abc"), "err")).toBe(undefined);
expect(mockCheck(new TypeError("abc"), "error")).toBe(undefined);
expect(mockCheck(new EvalError("abc"), "evalerror")).toBe(undefined);
expect(mockCheck(new RangeError("abc"), "rangeerror")).toBe(undefined);
expect(mockCheck(new ReferenceError("abc"), "referenceerror")).toBe(undefined);
expect(mockCheck(new SyntaxError("abc"), "syntaxerror")).toBe(undefined);
expect(mockCheck(new TypeError("abc"), "typeerror")).toBe(undefined);
expect(mockCheck(new URIError("abc"), "urierror")).toBe(undefined);
expect(mockCheck(Symbol(), "symbol")).toBe(undefined);
// Other.
expect(mockCheck([], "empty")).toBe(undefined);
expect(mockCheck(false, "any")).toBe(undefined);
expect(mockCheck("abc", "mixed")).toBe(undefined);
expect(mockCheck({ num: 123, str: "abc" }, "json")).toBe(undefined);
expect(mockCheck({ num: 123, str: "abc" }, "jsonable")).toBe(undefined);
// Check we called every checker.
// Done in this awkward way so we get an error that helps us find the one we're missing.
const checkerNames = Object.keys(checkers);
checkerNames.forEach(name => expect(called).toContain(name));
called.forEach(name => expect(checkerNames).toContain(name));
expect(called.length).toBe(checkerNames.length);
});
test("Every named type fails correctly", () => {
// Mock check() so we can check we tested everything.
const called = [];
function mockCheck(v, k) {
called.push(k);
return check(v, k);
}
// Primatives..
expect(() => mockCheck(Symbol(), "primitive")).toThrow(TypeError);
expect(() => mockCheck(0, "null")).toThrow(TypeError);
expect(() => mockCheck(null, "undefined")).toThrow(TypeError);
expect(() => mockCheck(null, "void")).toThrow(TypeError);
expect(() => mockCheck(null, "undef")).toThrow(TypeError);
expect(() => mockCheck(undefined, "defined")).toThrow(TypeError);
expect(() => mockCheck(undefined, "def")).toThrow(TypeError);
// Booleans.
expect(() => mockCheck(9, "boolean")).toThrow(TypeError);
expect(() => mockCheck(9, "bool")).toThrow(TypeError);
expect(() => mockCheck(1, "true")).toThrow(TypeError);
expect(() => mockCheck(9, "false")).toThrow(TypeError);
expect(() => mockCheck(0, "truthy")).toThrow(TypeError);
expect(() => mockCheck(1, "falsy")).toThrow(TypeError);
// Numbers.
expect(() => mockCheck(1, "zero")).toThrow(TypeError);
expect(() => mockCheck(0, "one")).toThrow(TypeError);
expect(() => mockCheck(1, "nan")).toThrow(TypeError);
expect(() => mockCheck("1", "number")).toThrow(TypeError);
expect(() => mockCheck("1", "num")).toThrow(TypeError);
expect(() => mockCheck("1", "+number")).toThrow(TypeError);
expect(() => mockCheck("1", "+num")).toThrow(TypeError);
expect(() => mockCheck("1", "-number")).toThrow(TypeError);
expect(() => mockCheck("1", "-num")).toThrow(TypeError);
expect(() => mockCheck(1.5, "integer")).toThrow(TypeError);
expect(() => mockCheck(1.5, "int")).toThrow(TypeError);
expect(() => mockCheck(-1, "+integer")).toThrow(TypeError);
expect(() => mockCheck(-1, "+int")).toThrow(TypeError);
expect(() => mockCheck(1, "-integer")).toThrow(TypeError);
expect(() => mockCheck(1, "-int")).toThrow(TypeError);
expect(() => mockCheck(-129, "int8")).toThrow(TypeError);
expect(() => mockCheck(128, "byte")).toThrow(TypeError);
expect(() => mockCheck(-1, "uint8")).toThrow(TypeError);
expect(() => mockCheck(256, "octet")).toThrow(TypeError);
expect(() => mockCheck(-32769, "int16")).toThrow(TypeError);
expect(() => mockCheck(32768, "short")).toThrow(TypeError);
expect(() => mockCheck(-1, "uint16")).toThrow(TypeError);
expect(() => mockCheck(65536, "ushort")).toThrow(TypeError);
expect(() => mockCheck(-2147483649, "int32")).toThrow(TypeError);
expect(() => mockCheck(2147483648, "long")).toThrow(TypeError);
expect(() => mockCheck(-1, "uint32")).toThrow(TypeError);
expect(() => mockCheck(4294967296, "ulong")).toThrow(TypeError);
// Strings.
expect(() => mockCheck(1, "string")).toThrow(TypeError);
expect(() => mockCheck(1, "str")).toThrow(TypeError);
expect(() => mockCheck("-", "alphanumeric")).toThrow(TypeError);
expect(() => mockCheck("1", "alphabetic")).toThrow(TypeError);
expect(() => mockCheck("A", "numeric")).toThrow(TypeError);
expect(() => mockCheck("A", "lower")).toThrow(TypeError);
expect(() => mockCheck("a", "upper")).toThrow(TypeError);
expect(() => mockCheck("my-var", "camel")).toThrow(TypeError);
expect(() => mockCheck("my-var", "pascal")).toThrow(TypeError);
expect(() => mockCheck("MY_VAR", "snake")).toThrow(TypeError);
expect(() => mockCheck("MY-VAR", "screaming")).toThrow(TypeError);
expect(() => mockCheck("MY-VAR", "kebab")).toThrow(TypeError);
expect(() => mockCheck("my-VAR", "slug")).toThrow(TypeError);
expect(() => mockCheck("my-var", "train")).toThrow(TypeError);
expect(() => mockCheck("*name", "identifier")).toThrow(TypeError);
expect(() => mockCheck(String.fromCharCode(0), "path")).toThrow(TypeError);
expect(() => mockCheck("/abc/def", "rel")).toThrow(TypeError);
expect(() => mockCheck("C:\\abc\\def", "relative")).toThrow(TypeError);
expect(() => mockCheck("../abc/def", "abs")).toThrow(TypeError);
expect(() => mockCheck("..\\abc\\def", "absolute")).toThrow(TypeError);
// Objects.
expect(() => mockCheck({}, "function")).toThrow(TypeError);
expect(() => mockCheck({}, "func")).toThrow(TypeError);
expect(() => mockCheck(1, "object")).toThrow(TypeError);
expect(() => mockCheck(1, "obj")).toThrow(TypeError);
expect(() => mockCheck("a", "objectlike")).toThrow(TypeError);
expect(() => mockCheck({}, "iterable")).toThrow(TypeError);
expect(() => mockCheck([], "circular")).toThrow(TypeError);
expect(() => mockCheck({}, "array")).toThrow(TypeError);
expect(() => mockCheck({}, "arr")).toThrow(TypeError);
expect(() => mockCheck({}, "arraylike")).toThrow(TypeError);
expect(() => mockCheck({}, "arguments")).toThrow(TypeError);
expect(() => mockCheck({}, "args")).toThrow(TypeError);
expect(() => mockCheck("2016", "date")).toThrow(TypeError);
expect(() => mockCheck(new Date(1080, 0, 1), "future")).toThrow(TypeError);
expect(() => mockCheck(new Date(2980, 0, 1), "past")).toThrow(TypeError);
expect(() => mockCheck([], "map")).toThrow(TypeError);
expect(() => mockCheck([], "weakmap")).toThrow(TypeError);
expect(() => mockCheck([], "set")).toThrow(TypeError);
expect(() => mockCheck([], "weakset")).toThrow(TypeError);
expect(() => mockCheck(true, "promise")).toThrow(TypeError);
expect(() => mockCheck("/[abc]+/g", "regexp")).toThrow(TypeError);
expect(() => mockCheck("/[abc]+/g", "regex")).toThrow(TypeError);
expect(() => mockCheck("abc", "err")).toThrow(TypeError);
expect(() => mockCheck(false, "error")).toThrow(TypeError);
expect(() => mockCheck(new RangeError("abc"), "evalerror")).toThrow(TypeError);
expect(() => mockCheck(new EvalError("abc"), "rangeerror")).toThrow(TypeError);
expect(() => mockCheck(new SyntaxError("abc"), "referenceerror")).toThrow(TypeError);
expect(() => mockCheck(new ReferenceError("abc"), "syntaxerror")).toThrow(TypeError);
expect(() => mockCheck(new URIError("abc"), "typeerror")).toThrow(TypeError);
expect(() => mockCheck(new TypeError("abc"), "urierror")).toThrow(TypeError);
expect(() => mockCheck("symbol", "symbol")).toThrow(TypeError);
// Other.
expect(() => mockCheck([1], "empty")).toThrow(TypeError);
expect(mockCheck(false, "any")).toBe(undefined);
expect(mockCheck("abc", "mixed")).toBe(undefined);
expect(() => mockCheck(undefined, "json")).toThrow(TypeError);
expect(() => mockCheck({ a: undefined }, "jsonable")).toThrow(TypeError);
// Check we called every checker.
// Done in this awkward way so we get an error that helps us find the one we're missing.
const checkerNames = Object.keys(checkers);
checkerNames.forEach(name => expect(called).toContain(name));
called.forEach(name => expect(checkerNames).toContain(name));
expect(called.length).toBe(checkerNames.length);
});
});