authors_test.go

 
/*
Copyright © 2019, 2020, 2021 Red Hat, Inc.

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/



package
 
commands_test

Documentation in literate-programming-style is available at: https://redhatinsights.github.io/insights-operator-cli/packages/commands/authors_test.html

 


import
 
(

	
"github.com/RedHatInsights/insights-operator-cli/commands"

	
"github.com/tisnik/go-capture"

	
"strings"

	
"testing"


)

TestCommandAuthors function checks if the command 'authors' really displays list of authors to the standard output.

 
func
 
TestCommandAuthors
(
t
 
*
testing
.
T
)
 
{

turn off any colorization on standard output

 
	
configureColorizer
(
)

use go-capture package to capture all writes to standard output

 
	
captured
,
 
err
 
:=
 
capture
.
StandardOutput
(
func
(
)
 
{

		
commands
.
PrintAuthors
(
)

	
}
)

check if capture operation was finished correctly

 
	
if
 
err
 
!=
 
nil
 
{

		
t
.
Fatal
(
"Unable to capture standard output"
,
 
err
)

	
}

check if standard output is empty, ie. if capture failed or nothing was displayed

 
	
if
 
captured
 
==
 
""
 
{

		
t
.
Fatal
(
"Standard output is empty"
)

	
}

check if header was written into standard output

 
	
if
 
!
strings
.
HasPrefix
(
captured
,
 
"Authors"
)
 
{

		
t
.
Fatal
(
"Unexpected output:\n"
,
 
captured
)

	
}

check if list of authors was written into standard output

 
	
numlines
 
:=
 
strings
.
Count
(
captured
,
 
"\n"
)

	
if
 
numlines
 
<=
 
1
 
{

		
t
.
Fatal
(
"Authors are not listed in the output:\n"
,
 
captured
)

	
}


}