Filtering Deno tests by filename: A step-by-step guide

How can I selectively run Deno tests based on their filenames?

Consider the following test files:

number_1_test.ts
number_2_test.ts
string_test.ts

If I want to only run tests with filenames starting with number*,

I am unable to use either of these commands:

deno test number*

or:

deno test --filter number*

What is the correct approach in this scenario?

Here is the syntax for running Deno tests:

deno test [OPTIONS] [files]... [-- <SCRIPT_ARG>...]

--filter <filter>: Run tests with this string or pattern in the test name

typescriptdeno

Answer №1

To utilize the globbing feature of your terminal, you can achieve this task. Here's an instance using bash:

$ ls
number_1_test.ts  number_2_test.ts  string_test.ts

$ echo $(ls number*)
number_1_test.ts number_2_test.ts

$ deno test $(ls number*)
running 1 test from ./number_1_test.ts
number 1 ... ok (4ms)
running 1 test from ./number_2_test.ts
number 2 ... ok (6ms)

test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out (45ms)

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