Does not print to console, or log pretty much at all.

[jeremyjjbrown]

Behave Version: 1.2.5
Python Version: 2.7.8

Neither

print "foo"

from __future__ import print_function
print("foo")

outputs anything to the console. Even with

 behave --no-capture

Also given that logging.debug() prints nothing unless and error is thrown makes debugging absolutely impossible. I've tried

behave --logging-level=INFO

context.config.setup_logging(configfile="behave_logging.ini")

...

[handler_Console]
class=StreamHandler
args=(sys.stderr,)
level=INFO
formatter=Brief

perhaps it has to do with a missing

# -- FILE:features/environment.py
from behave.log_capture import capture

@capture
def after_scenario(context):
    ...

but the doc is inscrutable. What is to be added to the hook block? And why does behave not just print to the console like any sane application would?

[jenisys]

Actually, it does. Using --no-capture directly outputs the text. That is at least my experience.

• Where are you using the print statements (step implementation, environment) ?
• Which OS are you using ?

Note that

• logging.debug() will never output anything if the logging.level is INFO.
• capture mode captures text and log-output until a failure occurs. Then it shows the collected output. Output of passing scenarios will be silently dropped.

If you always want to output something (always), use --no-capture mode or use log-filters to allow that some logging categories are not captured (meaning they are excluded from capture-mode).

[lizhaode]

@jenisys
I use behave --no-capture but it doesn't work.
For example,
I print('abc'),but I can't see abc in console when I running behave --no-capture

[jenisys]

@lizhaode
Your are mistaken. See answer in your other ticket.

[manoadamro]

I have the same problem:
am running behave -i observations --no-capture --no-capture-stderr -D BEHAVE_DEBUG_ON_ERROR

and only some print statements are getting printed.

eg:

this used to print but stopped:

    if context.debug:
        print("ENCOUNTER UUID: %s" % encounter["uuid"])

this does not print:

        if context.debug:
            print(
                f"received pdf: {number_of_pages} pages, {number_of_bytes} bytes "
            )

this does print:

        if context.debug:
            print(
                f"received pdf: {number_of_pages} pages, {number_of_bytes} bytes "
                f"(expecting > {number_of_pages} pages, > {number_of_bytes} bytes)"
            )

all of the steps are running but only some print statements actually print :(

[jeremyjjbrown]

It's awesome being gaslighted by the maintainers because it still doesn't work or is so inscrutable that you can't figure out how to make it work.

[glenn-barker]

@jeremyjjbrown @jenisys I've had issues with behave "eating" my console output even when using the --no-capture flag. Turns out it's the default formatter that seems to overwrite my output in certain use cases / certain IDEs.

Adding the --format plain flag in addition to --no-capture fixed the issue for me, and I'm able to see my console output properly.

[gnikonorov]

@glenn-barker's answer fixed the issue for me

[sangajala]

"behave --no-capture --format plain" this worked for me

[markodelgadillo]

I have this same issue. Yes "behave --no-capture --format plain" did work for me as well, but the question remains why DOESN'T "behave --no-capture" work on its own?

It's pretty random and I delete and then type in print statements and sometimes that works. This is my code right now:

from behave import given, when, then

@given('I am in the main directory')
def create_new_user(context):
    print("print now!")
    print("print this too!")
    pass

@when("I click on login")
def click_login(context):
    print("I just clicked on the Login cta")

@then('I should also be in the main directory')
def landing_page(context):
    print("this better print!")
    print("this too!!!")
    print("and this!!!")
    pass

and this is the output:

Feature: Test Cases Group 1 # feature_1.feature:1

  Scenario: Running Test Case 1                 # feature_1.feature:3
    Given I am in the main directory            # steps/steps_1.py:3
print now!
    Given I am in the main directory            # steps/steps_1.py:3 0.000s
    Then I should also be in the main directory # steps/steps_1.py:13
this better print!
this too!!!
    Then I should also be in the main directory # steps/steps_1.py:13 0.000s

1 feature passed, 0 failed, 0 skipped
1 scenario passed, 0 failed, 0 skipped
2 steps passed, 0 failed, 0 skipped, 0 undefined
Took 0m0.000s