How to use the gatsby-source-filesystem.createRemoteFileNode.mockImplementationOnce function in gatsby-source-filesystem
To help you get started, we’ve selected a few gatsby-source-filesystem examples, based on popular ways it is used in public projects.
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angeloashmore / gatsby-source-prismic / src / __tests__ / node / normalizers.js View on Github 
test('localFile field is empty if file node could not be created and shouldDownloadImage is true', async () => {
createRemoteFileNode.mockImplementationOnce(async () => {
throw new Error()
})
const result = await normalizeImageField(undefined, value, undefined, {
...contextWithDownloadedImages,
gatsbyContext: {
...contextWithDownloadedImages.gatsbyContext,
reporter: {
...contextWithDownloadedImages.gatsbyContext.reporter,
error: () => {},
},
},
})
expect(result.localFile).toBeUndefined()
})gatsby-source-filesystem
Gatsby source plugin for building websites from local data. Markdown, JSON, images, YAML, CSV, and dozens of other data types supported.
