unleash-server/dist/lib/features/playground/clean-context.test.js

Unleash is an enterprise ready feature flag service. It provides different strategies for handling feature flags.

import { cleanContext } from './clean-context.js';
const invalidJsonTypes = {
    object: {},
    array: [],
    true: true,
    false: false,
    number: 123,
    null: null,
};
test('strips invalid context properties from the context', async () => {
    const validValues = {
        appName: 'test',
    };
    const inputContext = {
        ...invalidJsonTypes,
        ...validValues,
    };
    const { context: cleanedContext } = cleanContext(inputContext);
    expect(cleanedContext).toStrictEqual(validValues);
});
test("doesn't add non-existing properties", async () => {
    const input = {
        appName: 'test',
    };
    const { context: output } = cleanContext(input);
    expect(output).toStrictEqual(input);
});
test('it returns the names of all the properties it removed', async () => {
    const { removedProperties } = cleanContext({
        appName: 'test',
        ...invalidJsonTypes,
    });
    const invalidProperties = Object.keys(invalidJsonTypes);
    // verify that the two lists contain all the same elements
    expect(removedProperties).toEqual(expect.arrayContaining(invalidProperties));
    expect(invalidProperties).toEqual(expect.arrayContaining(removedProperties));
});
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