bats-assert | Common assertions for Bats | Assertion library
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Common assertions for Bats
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QUESTION
While trying to write a robust bash method that detects whether a variable that consists of multiple lines of text, contains a substring (that may contain spaces) I am experiencing some difficulties. Three functions were written and I wrote some tests for them using the BATS framework. The functions and the accompanying tests on which they fail, are included below.
Method I ...ANSWER
Answered 2022-Feb-13 at 14:40Use =
with a wildcard pattern.
QUESTION
I'm using bats to test some bash scripts. In one of the test, I need to mount a generated iso disk image and make assertions on its content.
When I try to unmount the disk image right after the test, I get a Device or resource busy
error unless I insert a sleep-time before the unmount operation.
The script looks like this:
...ANSWER
Answered 2022-Jan-17 at 03:07That was actually really easy, I just needed to close the file in the last grep
(note the <&-
):
assert grep 'A required string' <&- "$BATS_TEST_TMPDIR"/mnt/my_file.txt
QUESTION
As part of a Bash script that is tested using the BATS, I noticed that my tests are not terminated when I run a function that activates an ssh-account.
CodeThe following function assumes a private and public ssh key pair exists in /home//.ssh/
. If I run it manually using source src/the_bash_script.sh && activate_ssh_account
, it works and says Identity added: /home/name/.ssh/
:
ANSWER
Answered 2021-Nov-22 at 00:23I never used BATS but by reading the doc I can say that there is a specific command for sharing common code. You may need to specify the full path though:
Option1:
load
: Share common codeYou may want to share common code across multiple test files. Bats includes a convenient load command for sourcing a Bash source file relative to the location of the current test file. For example, if you have a Bats test in
test/foo.bats
, the command
load test_helper
will source the script test/test_helper.bash in your test file. This can be useful for sharing functions to set up your environment or load fixtures.
Try replacing
QUESTION
While trying to assert_failure
on a function called some_function
, I'm experiencing some difficulties passing more than 1 argument.
ANSWER
Answered 2021-Nov-18 at 20:00Pass the argument normally but skip first one that is reserved in this context:
QUESTION
While trying to test a method that checks for 5 seconds whether a GitLab server is running, I am experiencing some difficulties in detecting the error message.
Function checking GitLab server status ...ANSWER
Answered 2021-Aug-19 at 18:49The issue was that I was trying to run a function from the test function, instead of from a separate bash shell. I found out by reproducing another working example that used the run bash -c
command, which did behave as expected on the same function. So in practice the following works:
QUESTION
While writing a test that expects an exception/error to be thrown, I am experiencing some difficulties detecting the error.
The code installs various software packages and tests each installation command separately. There is one function that does some preprocessing before each function and then calls the installation function, this managing function is called: run_main_functions
, and it passes along arguments if they are entered. For completenes, the code of run_main_functions
consists of:
ANSWER
Answered 2021-Apr-05 at 17:07I don't understand why you're running the test code in the setup. How about this
QUESTION
While testing a keepass2
installation procedure using bats
testing in bash, I noticed that the output of a command in terminal differs from the output that is captured in a bats
test. In terminal the command keepass2 --version
returns:
ANSWER
Answered 2021-Mar-26 at 09:58This line is likely not stdout but stderr
QUESTION
After setting up a bats test framework that can test shell scripts in some directory, I am trying to expand the bats tests to test a shell function that is written in another shell file named passive_function.sh
.
I created a template repository to perform shell testing. It contains a file called test_other_shell.bats
in folder /test/
with content:
ANSWER
Answered 2020-Nov-08 at 01:02sum="$1 + $2" | bc -l
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