Profectus/tests/game/modifiers.test.ts
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Move printFormula to Formula.stringify and add tests for it
2024-03-29 00:24:31 -05:00

422 lines
16 KiB
TypeScript

import { CoercableComponent, JSXFunction } from "features/feature";
import Formula from "game/formulas/formulas";
import {
createAdditiveModifier,
createExponentialModifier,
createModifierSection,
createMultiplicativeModifier,
createSequentialModifier,
Modifier
} from "game/modifiers";
import Decimal, { DecimalSource } from "util/bignum";
import { WithRequired } from "util/common";
import { Computable } from "util/computed";
import { beforeAll, describe, expect, test } from "vitest";
import { Ref, ref, unref } from "vue";
import "../utils";
export type ModifierConstructorOptions = {
[S in "addend" | "multiplier" | "exponent"]: Computable<DecimalSource>;
} & {
description?: Computable<CoercableComponent>;
enabled?: Computable<boolean>;
smallerIsBetter?: boolean;
};
function testModifiers<
T extends "addend" | "multiplier" | "exponent",
S extends ModifierConstructorOptions
>(
modifierConstructor: (optionsFunc: () => S) => WithRequired<Modifier, "invert" | "getFormula">,
property: T,
operation: (lhs: DecimalSource, rhs: DecimalSource) => DecimalSource
) {
// Util because adding [property] messes up typing
function createModifier(
value: Computable<DecimalSource>,
options: Partial<ModifierConstructorOptions> = {}
): WithRequired<Modifier, "invert" | "getFormula"> {
options[property] = value;
return modifierConstructor(() => options as S);
}
describe("operations", () => {
let modifier: WithRequired<Modifier, "invert" | "getFormula">;
beforeAll(() => {
modifier = createModifier(ref(5));
});
test("Applies correctly", () =>
expect(modifier.apply(10)).compare_tolerance(operation(10, 5)));
test("Inverts correctly", () =>
expect(modifier.invert(operation(10, 5))).compare_tolerance(10));
test("getFormula returns the right formula", () => {
const value = ref(10);
expect(modifier.getFormula(Formula.variable(value)).stringify()).toBe(
`${operation.name}(x, 5.00)`
);
});
});
describe("applies description correctly", () => {
test("without description", () => expect(createModifier(0).description).toBeUndefined());
test("with description", () => {
const desc = createModifier(0, { description: "test" }).description;
expect(desc).not.toBeUndefined();
expect((desc as JSXFunction)()).toMatchSnapshot();
});
});
describe("applies enabled correctly", () => {
test("without enabled", () => expect(createModifier(0).enabled).toBeUndefined());
test("with enabled", () => {
const enabled = ref(false);
const modifier = createModifier(5, { enabled });
expect(modifier.enabled).toBe(enabled);
});
});
describe("applies smallerIsBetter correctly", () => {
describe("without smallerIsBetter false", () => {
test("negative value", () =>
expect(
(
createModifier(-5, { description: "test", smallerIsBetter: false })
.description as JSXFunction
)()
).toMatchSnapshot());
test("zero value", () =>
expect(
(
createModifier(0, { description: "test", smallerIsBetter: false })
.description as JSXFunction
)()
).toMatchSnapshot());
test("positive value", () =>
expect(
(
createModifier(5, { description: "test", smallerIsBetter: false })
.description as JSXFunction
)()
).toMatchSnapshot());
});
describe("with smallerIsBetter true", () => {
test("negative value", () =>
expect(
(
createModifier(-5, { description: "test", smallerIsBetter: true })
.description as JSXFunction
)()
).toMatchSnapshot());
test("zero value", () =>
expect(
(
createModifier(0, { description: "test", smallerIsBetter: true })
.description as JSXFunction
)()
).toMatchSnapshot());
test("positive value", () =>
expect(
(
createModifier(5, { description: "test", smallerIsBetter: true })
.description as JSXFunction
)()
).toMatchSnapshot());
});
});
}
describe("Additive Modifiers", () => testModifiers(createAdditiveModifier, "addend", Decimal.add));
describe("Multiplicative Modifiers", () =>
testModifiers(createMultiplicativeModifier, "multiplier", Decimal.mul));
describe("Exponential Modifiers", () =>
testModifiers(createExponentialModifier, "exponent", Decimal.pow));
describe("Sequential Modifiers", () => {
function createModifier<T extends Partial<ModifierConstructorOptions>>(
value: Computable<DecimalSource>,
options?: T
) {
return createSequentialModifier(() => [
createAdditiveModifier(() => ({ ...(options ?? {}), addend: value })),
createMultiplicativeModifier(() => ({ ...(options ?? {}), multiplier: value })),
createExponentialModifier(() => ({ ...(options ?? {}), exponent: value }))
]);
}
describe("operations", () => {
let modifier: WithRequired<Modifier, "invert" | "getFormula">;
beforeAll(() => {
modifier = createModifier(5);
});
test("Applies correctly", () =>
expect(modifier.apply(10)).compare_tolerance(Decimal.add(10, 5).times(5).pow(5)));
test("Inverts correctly", () =>
expect(modifier.invert(Decimal.add(10, 5).times(5).pow(5))).compare_tolerance(10));
test("getFormula returns the right formula", () => {
const value = ref(10);
expect(modifier.getFormula(Formula.variable(value)).stringify()).toBe(
`pow(mul(add(x, 5.00), 5.00), 5.00)`
);
});
});
describe("applies description correctly", () => {
test("without description", () => expect(createModifier(0).description).toBeUndefined());
test("with description", () => {
const desc = createModifier(0, { description: "test" }).description;
expect(desc).not.toBeUndefined();
expect((desc as JSXFunction)()).toMatchSnapshot();
});
test("with both", () => {
const desc = createSequentialModifier(() => [
createAdditiveModifier(() => ({ addend: 0 })),
createMultiplicativeModifier(() => ({ multiplier: 0, description: "test" }))
]).description;
expect(desc).not.toBeUndefined();
expect((desc as JSXFunction)()).toMatchSnapshot();
});
});
describe("applies enabled correctly", () => {
test("without enabled", () => expect(createModifier(0).enabled).toBeUndefined());
test("with enabled", () => {
const enabled = ref(false);
const modifier = createModifier(5, { enabled });
expect(modifier.enabled).not.toBeUndefined();
expect(unref(modifier.enabled)).toBe(false);
enabled.value = true;
expect(unref(modifier.enabled)).toBe(true);
});
test("with both", () => {
const enabled = ref(false);
const modifier = createSequentialModifier(() => [
createAdditiveModifier(() => ({ addend: 0 })),
createMultiplicativeModifier(() => ({ multiplier: 0, enabled }))
]);
expect(modifier.enabled).not.toBeUndefined();
// So long as one is true or undefined, enable should be true
expect(unref(modifier.enabled)).toBe(true);
});
test("respects enabled", () => {
const value = ref(10);
const enabled = ref(false);
const modifier = createSequentialModifier(() => [
createMultiplicativeModifier(() => ({ multiplier: 5, enabled }))
]);
const formula = modifier.getFormula(Formula.variable(value));
expect(formula.evaluate()).compare_tolerance(value.value);
enabled.value = true;
expect(formula.evaluate()).not.compare_tolerance(value.value);
});
});
describe("applies smallerIsBetter correctly", () => {
describe("without smallerIsBetter false", () => {
test("negative value", () =>
expect(
(
createModifier(-5, { description: "test", smallerIsBetter: false })
.description as JSXFunction
)()
).toMatchSnapshot());
test("zero value", () =>
expect(
(
createModifier(0, { description: "test", smallerIsBetter: false })
.description as JSXFunction
)()
).toMatchSnapshot());
test("positive value", () =>
expect(
(
createModifier(5, { description: "test", smallerIsBetter: false })
.description as JSXFunction
)()
).toMatchSnapshot());
});
describe("with smallerIsBetter true", () => {
test("negative value", () =>
expect(
(
createModifier(-5, { description: "test", smallerIsBetter: true })
.description as JSXFunction
)()
).toMatchSnapshot());
test("zero value", () =>
expect(
(
createModifier(0, { description: "test", smallerIsBetter: true })
.description as JSXFunction
)()
).toMatchSnapshot());
test("positive value", () =>
expect(
(
createModifier(5, { description: "test", smallerIsBetter: true })
.description as JSXFunction
)()
).toMatchSnapshot());
});
describe("with both", () => {
let value: Ref<DecimalSource>;
let modifier: Modifier;
beforeAll(() => {
value = ref(0);
modifier = createSequentialModifier(() => [
createAdditiveModifier(() => ({
addend: value,
description: "test",
smallerIsBetter: true
})),
createAdditiveModifier(() => ({
addend: value,
description: "test",
smallerIsBetter: false
}))
]);
});
test("negative value", () => {
value.value = -5;
expect((modifier.description as JSXFunction)()).toMatchSnapshot();
});
test("zero value", () => {
value.value = 0;
expect((modifier.description as JSXFunction)()).toMatchSnapshot();
});
test("positive value", () => {
value.value = 5;
expect((modifier.description as JSXFunction)()).toMatchSnapshot();
});
});
});
});
describe("Create modifier sections", () => {
test("No optional values", () =>
expect(
createModifierSection({
title: "Test",
modifier: createAdditiveModifier(() => ({ addend: 5, description: "Test Desc" }))
})
).toMatchSnapshot());
test("With subtitle", () =>
expect(
createModifierSection({
title: "Test",
subtitle: "Subtitle",
modifier: createAdditiveModifier(() => ({ addend: 5, description: "Test Desc" }))
})
).toMatchSnapshot());
test("With base", () =>
expect(
createModifierSection({
title: "Test",
modifier: createAdditiveModifier(() => ({ addend: 5, description: "Test Desc" })),
base: 10
})
).toMatchSnapshot());
test("With unit", () =>
expect(
createModifierSection({
title: "Test",
modifier: createAdditiveModifier(() => ({ addend: 5, description: "Test Desc" })),
unit: "/s"
})
).toMatchSnapshot());
test("With base", () =>
expect(
createModifierSection({
title: "Test",
modifier: createAdditiveModifier(() => ({ addend: 5, description: "Test Desc" })),
baseText: "Based on"
})
).toMatchSnapshot());
test("With baseText", () =>
expect(
createModifierSection({
title: "Test",
modifier: createAdditiveModifier(() => ({ addend: 5, description: "Test Desc" })),
baseText: "Based on"
})
).toMatchSnapshot());
describe("With smallerIsBetter", () => {
test("smallerIsBetter = false", () => {
expect(
createModifierSection({
title: "Test",
modifier: createAdditiveModifier(() => ({
addend: -5,
description: "Test Desc"
})),
smallerIsBetter: false
})
).toMatchSnapshot();
expect(
createModifierSection({
title: "Test",
modifier: createAdditiveModifier(() => ({
addend: 0,
description: "Test Desc"
})),
smallerIsBetter: false
})
).toMatchSnapshot();
expect(
createModifierSection({
title: "Test",
modifier: createAdditiveModifier(() => ({
addend: 5,
description: "Test Desc"
})),
smallerIsBetter: false
})
).toMatchSnapshot();
});
test("smallerIsBetter = true", () => {
expect(
createModifierSection({
title: "Test",
modifier: createAdditiveModifier(() => ({
addend: -5,
description: "Test Desc"
})),
smallerIsBetter: true
})
).toMatchSnapshot();
expect(
createModifierSection({
title: "Test",
modifier: createAdditiveModifier(() => ({
addend: 0,
description: "Test Desc"
})),
smallerIsBetter: true
})
).toMatchSnapshot();
expect(
createModifierSection({
title: "Test",
modifier: createAdditiveModifier(() => ({
addend: 5,
description: "Test Desc"
})),
smallerIsBetter: true
})
).toMatchSnapshot();
});
});
test("With everything", () =>
expect(
createModifierSection({
title: "Test",
subtitle: "Subtitle",
modifier: createAdditiveModifier(() => ({ addend: 5, description: "Test Desc" })),
base: 10,
unit: "/s",
baseText: "Based on",
smallerIsBetter: true
})
).toMatchSnapshot());
});