{"id":21949314,"url":"https://github.com/tjoskar/marble-test","last_synced_at":"2025-07-19T14:34:36.965Z","repository":{"id":143889081,"uuid":"83143725","full_name":"tjoskar/marble-test","owner":"tjoskar","description":"Helps you write marble tests","archived":false,"fork":false,"pushed_at":"2019-06-04T10:53:26.000Z","size":155,"stargazers_count":4,"open_issues_count":0,"forks_count":0,"subscribers_count":2,"default_branch":"master","last_synced_at":"2025-07-07T15:17:39.981Z","etag":null,"topics":["marble","rxjs","testing"],"latest_commit_sha":null,"homepage":null,"language":"TypeScript","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":"mit","status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/tjoskar.png","metadata":{"files":{"readme":"readme.md","changelog":null,"contributing":null,"funding":null,"license":"license","code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null,"governance":null,"roadmap":null,"authors":null,"dei":null,"publiccode":null,"codemeta":null}},"created_at":"2017-02-25T16:07:01.000Z","updated_at":"2020-09-13T01:06:01.000Z","dependencies_parsed_at":"2023-04-08T06:01:41.092Z","dependency_job_id":null,"html_url":"https://github.com/tjoskar/marble-test","commit_stats":null,"previous_names":[],"tags_count":6,"template":false,"template_full_name":null,"purl":"pkg:github/tjoskar/marble-test","repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/tjoskar%2Fmarble-test","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/tjoskar%2Fmarble-test/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/tjoskar%2Fmarble-test/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/tjoskar%2Fmarble-test/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/tjoskar","download_url":"https://codeload.github.com/tjoskar/marble-test/tar.gz/refs/heads/master","sbom_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/tjoskar%2Fmarble-test/sbom","host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":265947508,"owners_count":23853382,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2022-07-04T15:15:14.044Z","host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":["marble","rxjs","testing"],"created_at":"2024-11-29T05:28:25.859Z","updated_at":"2025-07-19T14:34:36.907Z","avatar_url":"https://github.com/tjoskar.png","language":"TypeScript","funding_links":[],"categories":[],"sub_categories":[],"readme":"\u003e Helps you write marble tests\n\n## Install\n\n```\n$ npm install --save-dev marble-test\n```\n\n## Example usage\n\n```js\nimport { createRxTestScheduler } from 'marble-test'\n\nconst mapToNumber$ = string$ =\u003e string$.pipe(map(s =\u003e Number(s)))\n\ntest('map to number', () =\u003e {\n  // Arrange\n  const scheduler = createRxTestScheduler()\n  const values = { a: '1', b: '2', 1: 1, 2: 2 }\n  const input = 'a--b|'\n  const output = '1--2|'\n  const strings$ = scheduler.createColdObservable(input, values)\n\n  // Act\n  const obs = mapToNumber$(strings$)\n\n  // Assert\n  scheduler.expectObservable(obs).toBe(output, values)\n  scheduler.flush()\n})\n```\n\n### With jest\n\n```js\nimport { marble } from 'marble-test/jest'\n\nconst mapToNumber$ = string$ =\u003e string$.pipe(map(s =\u003e Number(s)))\n\nmarble('map to number', m =\u003e {\n  // Arrange\n  const values = { a: '1', b: '2', 1: 1, 2: 2 }\n  const input = 'a--b|'\n  const output = '1--2|'\n  const strings$ = m.cold(input, values)\n\n  // Act\n  const obs = mapToNumber$(strings$)\n\n  // Assert\n  m.expectObservable(obs).toBe(output, values)\n})\n```\n\nSee the [test file](src/__tests__/test.ts) for more examples\n\nGives detailed outputs on assert failure.\ne.g., You will get the following output when changing `output` above to `a--2|`\n\n![](/images/error.png)\n\n## API\n\n### createRxTestScheduler()\n\nReturns a `TestScheduler` (https://github.com/ReactiveX/rxjs/blob/master/src/testing/TestScheduler.ts)\n\nSee https://github.com/ReactiveX/rxjs/blob/master/doc/writing-marble-tests.md for more info\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Ftjoskar%2Fmarble-test","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Ftjoskar%2Fmarble-test","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Ftjoskar%2Fmarble-test/lists"}