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Add getOptionalEnvVar function

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Also add tests for it and `getRequiredEnvParam`
This commit is contained in:
Michael B. Gale
2025-10-24 14:58:07 +01:00
parent d75645b13f
commit ad35676669
2 changed files with 40 additions and 0 deletions
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29
src/util.test.ts
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@@ -252,6 +252,35 @@ test("allowed API versions", async (t) => {
);
});
test("getRequiredEnvParam - gets environment variables", (t) => {
process.env.SOME_UNIT_TEST_VAR = "foo";
const result = util.getRequiredEnvParam("SOME_UNIT_TEST_VAR");
t.is(result, "foo");
});
test("getRequiredEnvParam - throws if an environment variable isn't set", (t) => {
t.throws(() => util.getRequiredEnvParam("SOME_UNIT_TEST_VAR"));
});
test("getOptionalEnvVar - gets environment variables", (t) => {
process.env.SOME_UNIT_TEST_VAR = "foo";
const result = util.getOptionalEnvVar("SOME_UNIT_TEST_VAR");
t.is(result, "foo");
});
test("getOptionalEnvVar - gets undefined for empty environment variables", (t) => {
process.env.SOME_UNIT_TEST_VAR = "";
const result = util.getOptionalEnvVar("SOME_UNIT_TEST_VAR");
t.is(result, undefined);
});
test("getOptionalEnvVar - doesn't throw for undefined environment variables", (t) => {
t.notThrows(() => {
const result = util.getOptionalEnvVar("SOME_UNIT_TEST_VAR");
t.is(result, undefined);
});
});
test("doesDirectoryExist", async (t) => {
// Returns false if no file/dir of this name exists
t.false(util.doesDirectoryExist("non-existent-file.txt"));