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|
import t from 'tap';
import {isString} from '#validators';
import {
compositeFrom,
continuationSymbol,
input,
templateCompositeFrom,
} from '#composite';
t.test(`templateCompositeFrom: basic behavior`, t => {
t.plan(1);
const myCoolUtility = templateCompositeFrom({
annotation: `myCoolUtility`,
inputs: {
foo: input(),
},
outputs: ['#bar'],
steps: () => [
{
dependencies: [input('foo')],
compute: (continuation, {
[input('foo')]: foo,
}) => continuation({
['#bar']: (typeof foo).toUpperCase()
}),
},
],
});
const instantiatedTemplate = myCoolUtility({
foo: 'color',
});
t.match(instantiatedTemplate.toDescription(), {
annotation: `myCoolUtility`,
inputMapping: {
foo: input.dependency('color'),
},
inputDescriptions: {
foo: input(),
},
outputs: {
'#bar': '#bar',
},
steps: Function,
});
});
t.test(`templateCompositeFrom: validate static input values`, t => {
t.plan(3);
const stub = {
annotation: 'stubComposite',
outputs: ['#result'],
steps: () => [{compute: continuation => continuation({'#result': 'OK'})}],
};
const quickThrows = (t, composite, inputOptions, ...errorMessages) =>
t.throws(
() => composite(inputOptions),
{
message: `Errors in input options passed to stubComposite`,
errors: errorMessages.map(message => ({message})),
});
t.test(`templateCompositeFrom: validate input token shapes`, t => {
t.plan(15);
const template1 = templateCompositeFrom({
...stub, inputs: {
foo: input(),
},
});
t.doesNotThrow(
() => template1({foo: 'dependency'}));
t.doesNotThrow(
() => template1({foo: input.dependency('dependency')}));
t.doesNotThrow(
() => template1({foo: input.value('static value')}));
t.doesNotThrow(
() => template1({foo: input('outerInput')}));
t.doesNotThrow(
() => template1({foo: input.updateValue()}));
t.doesNotThrow(
() => template1({foo: input.myself()}));
quickThrows(t, template1,
{foo: input.staticValue()},
`foo: Expected dependency name or value-providing input() call, got input.staticValue`);
quickThrows(t, template1,
{foo: input.staticDependency()},
`foo: Expected dependency name or value-providing input() call, got input.staticDependency`);
const template2 = templateCompositeFrom({
...stub, inputs: {
bar: input.staticDependency(),
},
});
t.doesNotThrow(
() => template2({bar: 'dependency'}));
t.doesNotThrow(
() => template2({bar: input.dependency('dependency')}));
quickThrows(t, template2,
{bar: input.value(123)},
`bar: Expected dependency name, got input.value`);
quickThrows(t, template2,
{bar: input('outOfPlace')},
`bar: Expected dependency name, got input`);
const template3 = templateCompositeFrom({
...stub, inputs: {
baz: input.staticValue(),
},
});
t.doesNotThrow(
() => template3({baz: input.value(1025)}));
quickThrows(t, template3,
{baz: 'dependency'},
`baz: Expected input.value() call, got dependency name`);
quickThrows(t, template3,
{baz: input('outOfPlace')},
`baz: Expected input.value() call, got input() call`);
});
t.test(`templateCompositeFrom: validate missing / misplaced inputs`, t => {
t.plan(1);
const template = templateCompositeFrom({
...stub, inputs: {
foo: input(),
bar: input(),
},
});
t.throws(
() => template({
baz: 'aeiou',
raz: input.value(123),
}),
{message: `Errors in input options passed to stubComposite`, errors: [
{message: `Unexpected input names: baz, raz`},
{message: `Required these inputs: foo, bar`},
]});
});
t.test(`templateCompositeFrom: validate acceptsNull / defaultValue: null`, t => {
t.plan(3);
const template1 = templateCompositeFrom({
...stub, inputs: {
foo: input(),
},
});
t.throws(
() => template1({}),
{message: `Errors in input options passed to stubComposite`, errors: [
{message: `Required these inputs: foo`},
]},
`throws if input missing and not marked specially`);
const template2 = templateCompositeFrom({
...stub, inputs: {
bar: input({acceptsNull: true}),
},
});
t.throws(
() => template2({}),
{message: `Errors in input options passed to stubComposite`, errors: [
{message: `Required these inputs: bar`},
]},
`throws if input missing even if marked {acceptsNull}`);
const template3 = templateCompositeFrom({
...stub, inputs: {
baz: input({defaultValue: null}),
},
});
t.doesNotThrow(
() => template3({}),
`does not throw if input missing if marked {defaultValue: null}`);
});
});
|
