[kpuzzle] Add test for transformation comparisons.

src/cubing/kpuzzle/transformations.spec.ts

@@ -0,0 +1,75 @@
+import { KPuzzleDefinition } from ".";
+import { parseAlg } from "../alg";
+import { puzzles } from "../puzzles";
+import { Transformation } from "./definition_types";
+import { KPuzzle } from "./kpuzzle";
+import {
+  EquivalentOrbitTransformations,
+  EquivalentTransformations,
+} from "./transformations";
+
+function isEquivalentTranformationIgnoringOrientationForCENTERS(
+  def: KPuzzleDefinition,
+  t1: Transformation,
+  t2: Transformation,
+): boolean {
+  for (const orbitName in def.orbits) {
+    if (
+      !EquivalentOrbitTransformations(def, orbitName, t1, t2, {
+        ignoreOrientation: orbitName === "CENTERS",
+      })
+    ) {
+      return false;
+    }
+  }
+  return true;
+}
+
+describe("tranformations", () => {
+  it("correctly compares orbits", async () => {
+    const def = await puzzles["3x3x3"].def();
+    const kpuzzle1 = new KPuzzle(def);
+    kpuzzle1.applyAlg(parseAlg(""));
+    const kpuzzle2 = new KPuzzle(def);
+    kpuzzle2.applyAlg(parseAlg("(R' U' R U')5"));
+
+    expect(
+      EquivalentOrbitTransformations(
+        def,
+        "CENTERS",
+        kpuzzle1.state,
+        kpuzzle2.state,
+      ),
+    ).toBe(false);
+
+    expect(
+      EquivalentOrbitTransformations(
+        def,
+        "CENTERS",
+        kpuzzle1.state,
+        kpuzzle2.state,
+        { ignoreOrientation: true },
+      ),
+    ).toBe(true);
+  });
+
+  it("correctly compares transformations", async () => {
+    const def = await puzzles["3x3x3"].def();
+    const kpuzzle1 = new KPuzzle(def);
+    kpuzzle1.applyAlg(parseAlg(""));
+    const kpuzzle2 = new KPuzzle(def);
+    kpuzzle2.applyAlg(parseAlg("(R' U' R U')5"));
+
+    expect(EquivalentTransformations(def, kpuzzle1.state, kpuzzle2.state)).toBe(
+      false,
+    );
+
+    expect(
+      isEquivalentTranformationIgnoringOrientationForCENTERS(
+        def,
+        kpuzzle1.state,
+        kpuzzle2.state,
+      ),
+    ).toBe(true);
+  });
+});