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import { getComparison } from "../src/getComparison";
import { spyConsole, mockEnv } from "@turbo/test-utils";
describe("getComparison()", () => {
mockEnv();
const mockConsole = spyConsole();
it("uses headRelative comparison when not running Vercel CI", async () => {
expect(getComparison({ workspace: "test-workspace" }))
.toMatchInlineSnapshot(`
Object {
"ref": "HEAD^",
"type": "headRelative",
}
`);
});
it("returns null when running in Vercel CI with no VERCEL_GIT_PREVIOUS_SHA", async () => {
process.env.VERCEL = "1";
process.env.VERCEL_GIT_COMMIT_REF = "my-branch";
expect(getComparison({ workspace: "test-workspace" })).toBeNull();
expect(mockConsole.log).toHaveBeenCalledWith(
"≫ ",
'No previous deployments found for "test-workspace" on branch "my-branch".'
);
});
it("uses custom fallback when running in Vercel CI with no VERCEL_GIT_PREVIOUS_SHA", async () => {
process.env.VERCEL = "1";
process.env.VERCEL_GIT_COMMIT_REF = "my-branch";
expect(getComparison({ workspace: "test-workspace", fallback: "HEAD^2" }))
.toMatchInlineSnapshot(`
Object {
"ref": "HEAD^2",
"type": "customFallback",
}
`);
expect(mockConsole.log).toHaveBeenNthCalledWith(
1,
"≫ ",
'No previous deployments found for "test-workspace" on branch "my-branch".'
);
expect(mockConsole.log).toHaveBeenNthCalledWith(
2,
"≫ ",
"Falling back to ref HEAD^2"
);
});
it("uses previousDeploy when running in Vercel CI with VERCEL_GIT_PREVIOUS_SHA", async () => {
process.env.VERCEL = "1";
process.env.VERCEL_GIT_PREVIOUS_SHA = "mygitsha";
process.env.VERCEL_GIT_COMMIT_REF = "my-branch";
expect(getComparison({ workspace: "test-workspace" }))
.toMatchInlineSnapshot(`
Object {
"ref": "mygitsha",
"type": "previousDeploy",
}
`);
});
});
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