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typesFromDefinitions.test.ts
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import { typesFromDefinitions } from "./typesFromDefinitions";
describe("typesFromDefinitions", () => {
it("should generate types from empty definitions", () => {
expect(typesFromDefinitions({ version: 1, features: [] }))
.toMatchInlineSnapshot(`
"export type FeaturesVariantMap = {};
export type FeatureName = keyof FeaturesVariantMap;
export type FeatureVariants = {
[T in FeatureName]: FeaturesVariantMap[T];
};
type FeaturesMap = {
[T in FeatureName]: {
name: T;
enabled: boolean;
variant: FeatureVariants[T][number];
impressionData: boolean;
};
};
export type Features = Array<FeaturesMap[keyof FeaturesMap]>;
"`);
});
it("should generate types from definitions", () => {
expect(
typesFromDefinitions({
version: 1,
features: [
{
name: "feature1",
description: "feature1",
enabled: true,
strategies: [],
variants: [
{
name: "variant1",
weight: 100,
payload: {
type: "string",
value: "variant1",
},
},
],
},
{
name: "feature2",
description: "feature2",
enabled: true,
strategies: [],
variants: [
{
name: "variant1",
weight: 100,
payload: {
type: "string",
value: "variant1",
},
},
{
name: "variant2",
weight: 100,
payload: {
type: "string",
value: "variant2",
},
},
],
},
],
} as any)
).toMatchInlineSnapshot(`
"export type FeaturesVariantMap = {
"feature1": [{ "name": "variant1"; "enabled": true; "payload": {"type":"string","value":"variant1"} }],
"feature2": [
{ "name": "variant1"; "enabled": true; "payload": {"type":"string","value":"variant1"} } |
{ "name": "variant2"; "enabled": true; "payload": {"type":"string","value":"variant2"} }]
};
export type FeatureName = keyof FeaturesVariantMap;
export type FeatureVariants = {
[T in FeatureName]: FeaturesVariantMap[T];
};
type FeaturesMap = {
[T in FeatureName]: {
name: T;
enabled: boolean;
variant: FeatureVariants[T][number];
impressionData: boolean;
};
};
export type Features = Array<FeaturesMap[keyof FeaturesMap]>;
"
`);
});
it("should deal with features without variants", () => {
expect(
typesFromDefinitions({
version: 1,
features: [
{
name: "feature1",
description: "feature1",
enabled: true,
strategies: [],
},
],
} as any)
).toMatchInlineSnapshot(`
"export type FeaturesVariantMap = {
"feature1": [{ "name": "disabled", "enabled": false }]
};
export type FeatureName = keyof FeaturesVariantMap;
export type FeatureVariants = {
[T in FeatureName]: FeaturesVariantMap[T];
};
type FeaturesMap = {
[T in FeatureName]: {
name: T;
enabled: boolean;
variant: FeatureVariants[T][number];
impressionData: boolean;
};
};
export type Features = Array<FeaturesMap[keyof FeaturesMap]>;
"
`);
});
});