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After some discussion it was found that assertEquals is more common in JS (vs assertEqual, assertEq) and sounds better in the negated form: assertNotEquals vs assertNE.
111 lines
2.4 KiB
TypeScript
111 lines
2.4 KiB
TypeScript
import diff from "./diff.ts";
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import { assertEquals } from "../testing/asserts.ts";
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import { test } from "./mod.ts";
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test({
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name: "empty",
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fn() {
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assertEquals(diff([], []), []);
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}
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});
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test({
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name: '"a" vs "b"',
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fn() {
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assertEquals(diff(["a"], ["b"]), [
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{ type: "removed", value: "a" },
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{ type: "added", value: "b" }
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]);
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}
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});
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test({
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name: '"a" vs "a"',
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fn() {
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assertEquals(diff(["a"], ["a"]), [{ type: "common", value: "a" }]);
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}
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});
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test({
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name: '"a" vs ""',
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fn() {
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assertEquals(diff(["a"], []), [{ type: "removed", value: "a" }]);
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}
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});
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test({
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name: '"" vs "a"',
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fn() {
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assertEquals(diff([], ["a"]), [{ type: "added", value: "a" }]);
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}
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});
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test({
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name: '"a" vs "a, b"',
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fn() {
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assertEquals(diff(["a"], ["a", "b"]), [
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{ type: "common", value: "a" },
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{ type: "added", value: "b" }
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]);
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}
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});
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test({
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name: '"strength" vs "string"',
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fn() {
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assertEquals(diff(Array.from("strength"), Array.from("string")), [
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{ type: "common", value: "s" },
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{ type: "common", value: "t" },
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{ type: "common", value: "r" },
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{ type: "removed", value: "e" },
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{ type: "added", value: "i" },
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{ type: "common", value: "n" },
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{ type: "common", value: "g" },
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{ type: "removed", value: "t" },
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{ type: "removed", value: "h" }
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]);
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}
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});
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test({
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name: '"strength" vs ""',
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fn() {
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assertEquals(diff(Array.from("strength"), Array.from("")), [
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{ type: "removed", value: "s" },
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{ type: "removed", value: "t" },
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{ type: "removed", value: "r" },
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{ type: "removed", value: "e" },
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{ type: "removed", value: "n" },
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{ type: "removed", value: "g" },
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{ type: "removed", value: "t" },
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{ type: "removed", value: "h" }
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]);
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}
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});
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test({
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name: '"" vs "strength"',
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fn() {
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assertEquals(diff(Array.from(""), Array.from("strength")), [
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{ type: "added", value: "s" },
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{ type: "added", value: "t" },
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{ type: "added", value: "r" },
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{ type: "added", value: "e" },
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{ type: "added", value: "n" },
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{ type: "added", value: "g" },
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{ type: "added", value: "t" },
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{ type: "added", value: "h" }
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]);
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}
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});
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test({
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name: '"abc", "c" vs "abc", "bcd", "c"',
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fn() {
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assertEquals(diff(["abc", "c"], ["abc", "bcd", "c"]), [
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{ type: "common", value: "abc" },
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{ type: "added", value: "bcd" },
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{ type: "common", value: "c" }
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]);
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}
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});
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