Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

feat(spy): implement mock.withImplementation API #2835

Merged
merged 8 commits into from
Feb 24, 2023
Merged

feat(spy): implement mock.withImplementation API #2835

Show file tree
Hide file tree
Changes from 1 commit
Commits
Show all changes
8 commits
Select commit Hold shift + click to select a range
d5646ff
feat(spy) implement mock.withImplementation API
obadakhalili Feb 8, 2023
da12da6
feat(spy): better type the method to account for async callbacks, add…
obadakhalili Feb 10, 2023
1d2df6c
fix: update withImplementation types, add test
sheremet-va Feb 11, 2023
b2db061
Merge branch 'main' into feat/temp-mock-implementation
sheremet-va Feb 11, 2023
da2e0f8
change clean function name to reset in method
obadakhalili Feb 12, 2023
1359ace
feat(docs): add withImplementation docs
obadakhalili Feb 12, 2023
0c5efba
chore: resolve conflicts
obadakhalili Feb 13, 2023
4c1c7d1
chore: resolve conflicts in pnpm lock file
obadakhalili Feb 24, 2023
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Jump to
Jump to file
Failed to load files.
Diff view
Diff view
19 changes: 19 additions & 0 deletions packages/spy/src/index.ts
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -46,6 +46,7 @@ export interface SpyInstance<TArgs extends any[] = any[], TReturns = any> {
getMockImplementation(): ((...args: TArgs) => TReturns) | undefined
mockImplementation(fn: ((...args: TArgs) => TReturns) | (() => Promise<TReturns>)): this
mockImplementationOnce(fn: ((...args: TArgs) => TReturns) | (() => Promise<TReturns>)): this
withImplementation(fn: ((...args: TArgs) => TReturns), cb: () => void): this
sheremet-va marked this conversation as resolved.
Show resolved Hide resolved
mockReturnThis(): this
mockReturnValue(obj: TReturns): this
mockReturnValueOnce(obj: TReturns): this
Expand Down Expand Up @@ -248,6 +249,24 @@ function enhanceSpy<TArgs extends any[], TReturns>(
return stub
}

stub.withImplementation = (fn, cb) => {
const originalImplementation = implementation!
stub.mockImplementation(fn)

if (cb.constructor.name === 'AsyncFunction') {
sheremet-va marked this conversation as resolved.
Show resolved Hide resolved
const asyncCb = cb as () => Promise<void>

asyncCb().then(() => {
stub.mockImplementation(originalImplementation)
})
}
else {
sheremet-va marked this conversation as resolved.
Show resolved Hide resolved
stub.mockImplementation(originalImplementation)
}

return stub
}

stub.mockReturnThis = () =>
stub.mockImplementation(function (this: TReturns) {
return this
Expand Down