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bun test will not load environment variables from .env.local #19542

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DonIsaac opened this issue May 8, 2025 · 1 comment · May be fixed by #19562
Open

bun test will not load environment variables from .env.local #19542

DonIsaac opened this issue May 8, 2025 · 1 comment · May be fixed by #19562
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bug Something isn't working bun:test Something related to the `bun test` runner

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@DonIsaac
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DonIsaac commented May 8, 2025

What version of Bun is running?

1.2.13-canary.23+500199fe8

What platform is your computer?

Darwin 24.4.0 arm64 arm

What steps can reproduce the bug?

Create these files

// foo.test.ts
it("works", () => {
    expect(process.env.FOO).toBe("foo")
});
 # .env.local
FOO=foo

Then run bun test

What is the expected behavior?

Test passes

What do you see instead?

bun test v1.2.13-canary.23 (500199fe)

index.test.ts:
1 | it("works", () => {
2 |     expect(process.env.FOO).toBe("foo")
                                ^
error: expect(received).toBe(expected)

Expected: "foo"
Received: undefined

Additional information

.env files are loaded correctly
@DonIsaac DonIsaac added bug Something isn't working needs triage labels May 8, 2025
@RiskyMH RiskyMH added bun:test Something related to the `bun test` runner and removed needs triage labels May 9, 2025
zimirza added a commit to zimirza/bun that referenced this issue May 9, 2025
@zimirza
use .env.local for tests (oven-sh#19542)
e992ff6
@zimirza zimirza linked a pull request May 9, 2025 that will close this issue
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use .env.local for tests (#19542) zimirza/bun
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@DonIsaac @RiskyMH and others