houdini/app/javascript/components/hooks/useSteps.spec.ts

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2020-07-16 20:13:57 +00:00
/* eslint-disable jest/no-hooks */
// License: LGPL-3.0-or-later
import { renderHook, act } from '@testing-library/react-hooks';
import useSteps, { KeyedStep, KeyedStepMap } from './useSteps';
import fromPairs from 'lodash/fromPairs';
import { initial } from 'lodash';
// eslint-disable-next-line @typescript-eslint/no-empty-function
const stepActions = { addStep: () => { }, removeStep: () => { } };
describe('.next', () => {
it('nothing changes if there is no next', async () => {
expect.assertions(2);
const { result } = renderHook(() => useSteps({ steps: [{ key: 'i' }], ...stepActions }));
const original = result.current;
act(() => {
result.current.next();
});
expect(result.current.activeStep).toBe(0);
expect(Object.is(result.current, original)).toBe(true);
});
it('nothing changes if next is disabled', async () => {
expect.assertions(2);
const { result } = renderHook(() => useSteps({ steps: [{ key: 'i' }, { key: '2' }], ...stepActions }, {
disabled: { 'i': false, '2': true }
}));
const original = result.current;
act(() => {
result.current.next();
});
expect(result.current.activeStep).toBe(0);
expect(Object.is(result.current, original)).toBe(true);
});
it('go to next if next exists', async () => {
expect.assertions(2);
const { result } = renderHook(() => useSteps({ steps: [{ key: 'i' }, { key: '2' }], ...stepActions }));
const original = result.current;
act(() => {
result.current.next();
});
expect(result.current.activeStep).toBe(1);
expect(Object.is(result.current, original)).toBe(false);
});
});
describe('.back', () => {
it('nothing changes if there is no back', async () => {
expect.assertions(2);
const { result } = renderHook(() => useSteps({ steps: [{ key: 'i' }], ...stepActions }));
const original = result.current;
act(() => {
result.current.back();
});
expect(result.current.activeStep).toBe(0);
expect(Object.is(result.current, original)).toBe(true);
});
it('nothing changes if back is disabled', async () => {
expect.assertions(2);
const { result } = renderHook(() => useSteps({ steps: [{ key: 'i' }, { key: '2' }, { key: 'last' }], ...stepActions }, {
activeStep: 2,
disabled: { 'i': true, '2': true, 'last': false }
}));
const original = result.current;
act(() => {
result.current.back();
});
expect(result.current.activeStep).toBe(2);
expect(Object.is(result.current, original)).toBe(true);
});
it('if back is the first item, we ignore its disabled state', async () => {
expect.assertions(2);
const { result } = renderHook(() => useSteps({ steps: [{ key: 'i' }, { key: '2' }, { key: 'last' }], ...stepActions }, {
activeStep: 1,
disabled: { 'i': true, '2': false, 'last': false }
}));
const original = result.current;
act(() => {
result.current.back();
});
expect(result.current.activeStep).toBe(0);
expect(Object.is(result.current, original)).toBe(false);
});
it('go to back if back exists', async () => {
expect.assertions(2);
const { result } = renderHook(() => useSteps({ steps: [{ key: 'i' }, { key: '2' }], ...stepActions }, { activeStep: 1 }));
const original = result.current;
act(() => {
result.current.back();
});
expect(result.current.activeStep).toBe(0);
expect(Object.is(result.current, original)).toBe(false);
});
});
describe('.goto', () => {
it('nothing changes if goto value is below 0', async () => {
expect.assertions(2);
const { result } = renderHook(() => useSteps({ steps: [{ key: 'i' }], ...stepActions }));
const original = result.current;
act(() => {
result.current.goto(-1);
});
expect(result.current.activeStep).toBe(0);
expect(Object.is(result.current, original)).toBe(true);
});
it('nothing changes if goto value is bigger number of steps', async () => {
expect.assertions(2);
const { result } = renderHook(() => useSteps({ steps: [{ key: 'i' }], ...stepActions }));
const original = result.current;
act(() => {
result.current.goto(1);
});
expect(result.current.activeStep).toBe(0);
expect(Object.is(result.current, original)).toBe(true);
});
it('nothing changes if goto value is disabled', async () => {
expect.assertions(2);
const { result } = renderHook(() => useSteps({ steps: [{ key: 'i' }, { key: '2' }], ...stepActions }, {
disabled: { 'i': false, '2': true }
}));
const original = result.current;
act(() => {
result.current.goto(1);
});
expect(result.current.activeStep).toBe(0);
expect(Object.is(result.current, original)).toBe(true);
});
it('if goto step is 0, we always go back regardless of disabledness', async () => {
expect.assertions(2);
const { result } = renderHook(() => useSteps({ steps: [{ key: 'i' }, { key: '2' }], ...stepActions }, {
activeStep: 1,
disabled: { 'i': false, '2': true }
}));
const original = result.current;
act(() => {
result.current.goto(0);
});
expect(result.current.activeStep).toBe(0);
expect(Object.is(result.current, original)).toBe(false);
});
it('goto step if it exists', async () => {
expect.assertions(2);
const { result } = renderHook(() => useSteps({ steps: [{ key: 'i' }, { key: '2' }], ...stepActions }, { activeStep: 1 }));
const original = result.current;
act(() => {
result.current.goto(1);
});
expect(result.current.activeStep).toBe(1);
expect(Object.is(result.current, original)).toBe(false);
});
});
describe('.first', () => {
it('changes nothing if already first', async () => {
expect.assertions(2);
const { result } = renderHook(() => useSteps({ steps: [{ key: 'i' }, { key: '2' }], ...stepActions }));
const original = result.current;
act(() => {
result.current.first();
});
expect(result.current.activeStep).toBe(0);
expect(Object.is(result.current, original)).toBe(true);
});
it('if first is disabled we still go back', async () => {
expect.assertions(2);
const { result } = renderHook(() => useSteps({ steps: [{ key: 'i' }, { key: '2' }], ...stepActions }, {
activeStep: 1,
disabled: { 'i': true, '2': false }
}));
const original = result.current;
act(() => {
result.current.first();
});
expect(result.current.activeStep).toBe(0);
expect(Object.is(result.current, original)).toBe(false);
});
it('go to first', async () => {
expect.assertions(2);
const { result } = renderHook(() => useSteps({ steps: [{ key: 'i' }, { key: '2' }], ...stepActions }, { activeStep: 1 }));
const original = result.current;
act(() => {
result.current.first();
});
expect(result.current.activeStep).toBe(0);
expect(Object.is(result.current, original)).toBe(false);
});
});
describe('.last', () => {
it('changes nothing if already last', async () => {
expect.assertions(2);
const { result } = renderHook(() => useSteps({ steps: [{ key: 'i' }, { key: '2' }], ...stepActions }, { activeStep: 1 }));
const original = result.current;
act(() => {
result.current.last();
});
expect(result.current.activeStep).toBe(1);
expect(Object.is(result.current, original)).toBe(true);
});
it('changes nothing if last is disabled', async () => {
expect.assertions(2);
const { result } = renderHook(() => useSteps({ steps: [{ key: 'i' }, { key: '2' }], ...stepActions }, {
disabled: { 'i': false, '2': true }
}));
const original = result.current;
act(() => {
result.current.last();
});
expect(result.current.activeStep).toBe(0);
expect(Object.is(result.current, original)).toBe(true);
});
it('go to last', async () => {
expect.assertions(2);
const { result } = renderHook(() => useSteps({ steps: [{ key: 'i' }, { key: '2' }], ...stepActions }));
const original = result.current;
act(() => {
result.current.last();
});
expect(result.current.activeStep).toBe(1);
expect(Object.is(result.current, original)).toBe(false);
});
});
describe('.disable', () => {
describe.each([
[[{ key: 'i' }, { key: '2' }], 1, { i: false, 2: false }, 1, 0, { i: false, 2: true }],
[[{ key: 'i' }, { key: '2' }], 0, { i: false, 2: false }, 1, 0, { i: false, 2: true }],
[[{ key: 'i' }, { key: '2' }], 1, { i: true, 2: false }, 1, 0, { i: true, 2: true }],
[[{ key: 'i' }, { key: '2' }], 0, { i: false, 2: false }, 0, 0, { i: true, 2: false }]
])('.disable with keys of %j, activeStep: %d, initial disabled: %j, we disabled index %d', (
steps,
initialActiveStep,
initialDisabled,
indexToDisable,
activeStep,
disabled) => {
let current: any = null;
beforeEach(() => {
const { result } = renderHook(() => useSteps({ steps, ...stepActions },
{ activeStep: initialActiveStep, disabled: initialDisabled }));
act(() => {
result.current.disable(indexToDisable);
});
current = result.current;
});
it(`sets activeStep to ${activeStep}`, () => {
expect.hasAssertions();
expect(current.activeStep).toBe(activeStep);
});
it(`sets disabled to properly`, () => {
expect.hasAssertions();
expect(current.disabled).toStrictEqual(disabled);
});
});
});
describe('.enable', () => {
describe.each([
[[{ key: 'i' }, { key: '2' }], 1, { i: false, 2: false }, 1, 1, { i: false, 2: false }],
[[{ key: 'i' }, { key: '2' }], 0, { i: false, 2: true }, 1, 0, { i: false, 2: false }],
[[{ key: 'i' }, { key: '2' }], 1, { i: true, 2: false }, 1, 1, { i: true, 2: false }],
[[{ key: 'i' }, { key: '2' }], 0, { i: true, 2: false }, 0, 0, { i: false, 2: false }]
])('.enable with keys of %j, activeStep: %d, initial enabled: %j, we enable index %d', (
steps,
initialActiveStep,
initialDisabled,
indexToEnable,
activeStep,
disabled) => {
let current: any = null;
beforeEach(() => {
const { result } = renderHook(() => useSteps({ steps, ...stepActions },
{ activeStep: initialActiveStep, disabled: initialDisabled }));
act(() => {
result.current.enable(indexToEnable);
});
current = result.current;
});
it(`sets activeStep to ${activeStep}`, () => {
expect.hasAssertions();
expect(current.activeStep).toBe(activeStep);
});
it(`sets disabled to properly`, () => {
expect.hasAssertions();
expect(current.disabled).toStrictEqual(disabled);
});
});
});
describe('modify steps', () => {
function createTableEntry(props: {
initial: {
steps: KeyedStep[],
activeStep?: number,
disabled?: KeyedStepMap<boolean>,
completed?:
KeyedStepMap<boolean>
},
stepChange: KeyedStep[],
expectation: {
activeStep?: number,
disabled?: KeyedStepMap<boolean>,
completed?: KeyedStepMap<boolean>
}
}
): [
KeyedStep[], number | undefined, KeyedStepMap<boolean> | undefined, KeyedStepMap<boolean> | undefined, // initial
KeyedStep[], //stepChange
number | undefined, KeyedStepMap<boolean>, KeyedStepMap<boolean> //expectations
] {
const expectation = {
activeStep: props.initial.activeStep || 0,
disabled: props.initial.disabled || fromPairs(props.initial.steps.map(i => [i.key, false])),
completed: props.initial.completed || fromPairs(props.initial.steps.map(i => [i.key, false])),
...props.expectation
};
return [
props.initial.steps, props.initial.activeStep, props.initial.disabled, props.initial.completed,
props.stepChange,
expectation.activeStep, expectation.disabled, expectation.completed
];
}
describe.each([
createTableEntry({
initial: { steps: [{ key: 'i' }, { key: '2' }] },
stepChange: [{ key: 'i' }, { key: '2' }],
expectation: {
}
}),
createTableEntry({
initial: { steps: [{ key: 'i' }, { key: '2' }], activeStep: 0 },
stepChange: [ { key: '2' }],
expectation: {
disabled: {2: false},
completed: {2: false}
}
}),
createTableEntry({
initial: { steps: [{ key: 'i' }, { key: '2' }], activeStep: 1 },
stepChange: [ { key: 'i' }],
expectation: {
activeStep: 0,
disabled: {i: false},
completed: {i: false}
}
}),
createTableEntry({
initial: { steps: [{ key: 'i' }, { key: '2' }, {key: 'last'}], activeStep: 2, disabled: {i: false, 2: true, last:false}},
stepChange: [ { key: 'i' }, { key: '2' }],
expectation: {
activeStep: 0,
disabled: {i: false, 2: true},
completed: {i: false, 2: false}
}
}),
createTableEntry({
initial: { steps: [{ key: 'i' }, { key: '2' }, {key: 'last'}], activeStep: 2, disabled: {i: false, 2: true, last:false}},
stepChange: [ { key: 'i' }, {key: 'last'}, { key: '2' }],
expectation: {
activeStep: 1,
disabled: {i: false, 2: true, last:false},
completed: {i: false, 2: false, last: false}
}
}),
createTableEntry({
initial: { steps: [{ key: 'i' }, { key: '2' }, {key: 'last'}], activeStep: 2, disabled: {i: false, 2: true, last:false}},
stepChange: [ {key: 'last'},{ key: 'i' },],
expectation: {
activeStep: 0,
disabled: {i: false, last:false},
completed: {i: false, last: false}
}
})
])('with initial steps %j, active: %d, disabled: %o, completed: %o and change steps to %j', (
initialSteps, initialActiveStep, initialDisabled, initialCompleted,
stepChange,
expectationActiveStep, expectationDisabled, expectationCompleted
) => {
let finalState:ReturnType<typeof useSteps>;
beforeEach(() => {
const { result, rerender } = renderHook((steps) => useSteps({ steps, ...stepActions },
{ activeStep: initialActiveStep, disabled: initialDisabled, completed: initialCompleted }), {initialProps: initialSteps});
rerender(stepChange);
finalState = result.current;
});
it(`has the correct steps of ${JSON.stringify(stepChange)}`, () => {
expect.hasAssertions();
expect(finalState.steps).toStrictEqual(stepChange);
});
it(`has an activeStep of ${expectationActiveStep}`, () => {
expect.hasAssertions();
expect(finalState.activeStep).toBe(expectationActiveStep);
});
it(`has an disabled list of ${JSON.stringify(expectationDisabled)}`, () => {
expect.hasAssertions();
expect(finalState.disabled).toStrictEqual(expectationDisabled);
});
it(`has completed list of ${JSON.stringify(expectationCompleted)}`, () => {
expect.hasAssertions();
expect(finalState.completed).toStrictEqual(expectationCompleted);
});
});
});