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write a shedload more tests

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This commit is contained in:
Michael Telatynski 2021-06-11 16:28:07 +01:00
parent a4fa2779d4
commit 3d4411390f
2 changed files with 181 additions and 56 deletions
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191
test/utils/stringOrderField-test.ts
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@ -18,7 +18,6 @@ import { sortBy } from "lodash";
import {
ALPHABET,
averageBetweenStrings,
baseToString,
midPointsBetweenStrings,
reorderLexicographically,
@ -29,10 +28,10 @@ const moveLexicographicallyTest = (
orders: Array<string | undefined>,
fromIndex: number,
toIndex: number,
expectedIndices: number[],
expectedChanges: number,
maxLength?: number,
): void => {
const ops = reorderLexicographically(orders, fromIndex, toIndex);
expect(ops.map(o => o.index).sort()).toStrictEqual(expectedIndices.sort());
const ops = reorderLexicographically(orders, fromIndex, toIndex, maxLength);
const zipped: Array<[number, string | undefined]> = orders.map((o, i) => [i, o]);
ops.forEach(({ index, order }) => {
@ -42,6 +41,7 @@ const moveLexicographicallyTest = (
const newOrders = sortBy(zipped, i => i[1]);
console.log("@@ moveLexicographicallyTest", {orders, zipped, newOrders, fromIndex, toIndex, ops});
expect(newOrders[toIndex][0]).toBe(fromIndex);
expect(ops).toHaveLength(expectedChanges);
};
describe("stringOrderField", () => {
@ -70,44 +70,20 @@ describe("stringOrderField", () => {
expect(baseToString(1234)).toBe(",~");
});
it("averageBetweenStrings", () => {
[
{ a: "a", b: "z", output: `m` },
{ a: "ba", b: "z", output: `n@` },
{ a: "z", b: "ba", output: `n@` },
{ a: "# ", b: "$8888", output: `#[[[[` },
{ a: "cat", b: "doggo", output: `d9>Cw` },
{ a: "cat", b: "doggo", output: "cumqh", alphabet: "abcdefghijklmnopqrstuvwxyz" },
{ a: "aa", b: "zz", output: "mz", alphabet: "abcdefghijklmnopqrstuvwxyz" },
{ a: "a", b: "z", output: "m", alphabet: "abcdefghijklmnopqrstuvwxyz" },
{ a: "AA", b: "zz", output: "^." },
{ a: "A", b: "z", output: "]" },
{
a: "A".repeat(50),
b: "Z".repeat(50),
output: "M}M}M}N ba`54Qpt\\\\Z+kNA#O(9}z>@2jJm]%Y^$m<8lRzz/2[Y",
},
].forEach((c) => {
// assert that the output string falls lexicographically between `a` and `b`
expect([c.a, c.b, c.output].sort()[1]).toBe(c.output);
expect(averageBetweenStrings(c.a, c.b, c.alphabet)).toBe(c.output);
});
expect(averageBetweenStrings("Q#!x+k", "V6yr>L")).toBe("S\\Mu5,");
});
it("midPointsBetweenStrings", () => {
expect(midPointsBetweenStrings("a", "e", 3)).toStrictEqual(["b", "c", "d"]);
expect(midPointsBetweenStrings("a", "e", 0)).toStrictEqual([]);
expect(midPointsBetweenStrings("a", "e", 4)).toStrictEqual([]);
const midpoints = ["a", ...midPointsBetweenStrings("a", "e", 3, 1), "e"].sort();
expect(midpoints[0]).toBe("a");
expect(midpoints[4]).toBe("e");
expect(midPointsBetweenStrings("a", "e", 0, 1)).toStrictEqual([]);
expect(midPointsBetweenStrings("a", "e", 4, 1)).toStrictEqual([]);
});
it("moveLexicographically left", () => {
moveLexicographicallyTest(["a", "c", "e", "g", "i"], 2, 1, [2]);
moveLexicographicallyTest(["a", "c", "e", "g", "i"], 2, 1, 1);
});
it("moveLexicographically right", () => {
moveLexicographicallyTest(["a", "c", "e", "g", "i"], 1, 2, [1]);
moveLexicographicallyTest(["a", "c", "e", "g", "i"], 1, 2, 1);
});
it("moveLexicographically all undefined", () => {
@ -115,7 +91,7 @@ describe("stringOrderField", () => {
[undefined, undefined, undefined, undefined, undefined, undefined],
4,
1,
[0, 4],
2,
);
});
@ -124,7 +100,7 @@ describe("stringOrderField", () => {
[undefined, undefined, undefined, undefined, undefined, undefined],
1,
4,
[0, 1, 2, 3, 4],
5,
);
});
@ -133,7 +109,7 @@ describe("stringOrderField", () => {
["a", "c", "e", undefined, undefined, undefined],
5,
2,
[5],
1,
);
});
@ -142,7 +118,144 @@ describe("stringOrderField", () => {
["a", "a", "e", undefined, undefined, undefined],
5,
1,
[1, 5],
2,
);
});
it("test A moving to the start when all is undefined", () => {
moveLexicographicallyTest(
[undefined, undefined, undefined, undefined],
2,
0,
1,
);
});
it("test B moving to the end when all is undefined", () => {
moveLexicographicallyTest(
[undefined, undefined, undefined, undefined],
1,
3,
4,
);
});
it("test C moving left when all is undefined", () => {
moveLexicographicallyTest(
[undefined, undefined, undefined, undefined, undefined, undefined],
4,
1,
2,
);
});
it("test D moving right when all is undefined", () => {
moveLexicographicallyTest(
[undefined, undefined, undefined, undefined],
1,
2,
3,
);
});
it("test E moving more right when all is undefined", () => {
moveLexicographicallyTest(
[undefined, undefined, undefined, undefined, undefined, /**/ undefined, undefined],
1,
4,
5,
);
});
it("test F moving left when right is undefined", () => {
moveLexicographicallyTest(
["20", undefined, undefined, undefined, undefined, undefined],
4,
2,
2,
);
});
it("test G moving right when right is undefined", () => {
moveLexicographicallyTest(
["50", undefined, undefined, undefined, undefined, /**/ undefined, undefined],
1,
4,
4,
);
});
it("test H moving left when right is defined", () => {
moveLexicographicallyTest(
["10", "20", "30", "40", undefined, undefined],
3,
1,
1,
);
});
it("test I moving right when right is defined", () => {
moveLexicographicallyTest(
["10", "20", "30", "40", "50", undefined],
1,
3,
1,
);
});
it("test J moving left when all is defined", () => {
moveLexicographicallyTest(
["11", "13", "15", "17", "19"],
2,
1,
1,
);
});
it("test K moving right when all is defined", () => {
moveLexicographicallyTest(
["11", "13", "15", "17", "19"],
1,
2,
1,
);
});
it("test L moving left into no left space", () => {
moveLexicographicallyTest(
["11", "12", "13", "14", "19"],
3,
1,
2,
2,
);
});
it("test M moving right into no right space", () => {
moveLexicographicallyTest(
["15", "16", "17", "18", "19"],
1,
3,
2,
2,
);
});
it("test N moving right into no left space", () => {
moveLexicographicallyTest(
["11", "12", "13", "14", "15", "16", undefined],
1,
3,
3,
);
});
it("test O moving left into no right space", () => {
moveLexicographicallyTest(
["15", "16", "17", "18", "19"],
4,
3,
2,
);
});
});