blob: 7cdfde8ab5496e11989c2e8f1e4447d785917a86 [file] [log] [blame]
source [expr {[info exists ::env(TESTS_DIR)] ? "$env(TESTS_DIR)/common.tcl" : "../common.tcl"}]
# namespace of internal functions
namespace eval ly::private {
namespace export *
}
# Run the process with arguments.
# Parameter cmd is a string with arguments.
# Parameter wrn is a flag. Set to 1 if stderr should be ignored.
# Returns a pair where the first is the return code and the second is the output.
proc ly::private::ly_exec {cmd {wrn ""}} {
try {
set results [exec -- $::env(YANGLINT) {*}$cmd]
set status 0
} trap CHILDSTATUS {results options} {
# return code is not 0
set status [lindex [dict get $options -errorcode] 2]
} trap NONE results {
if { $wrn == 1 } {
set status 0
} else {
error "return code is 0 but something was written to stderr:\n$results\n"
}
} trap CHILDKILLED {results options} {
set status [lindex [dict get $options -errorcode] 2]
error "process was killed: $status"
}
list $status $results
}
# Internal function.
# Check the output with pattern.
# Parameter pattern is a regex or an exact string to match.
# Parameter msg is the output to check.
# Parameter 'opt' is optional. If contains '-ex', then the 'pattern' parameter is
# used as a simple string for exact matching of the output.
proc ly::private::output_check {pattern msg {opt ""}} {
if { $opt eq "" } {
expr {![regexp -- $pattern $msg]}
} elseif { $opt eq "-ex" } {
expr {![string equal "$pattern" $msg]}
} else {
global error_head
error "$error_head unrecognized value of parameter 'opt'"
}
}
# Execute yanglint with arguments and expect success.
# Parameter cmd is a string of arguments.
# Parameter pattern is a regex or an exact string to match.
# Parameter 'opt' is optional. If contains '-ex', then the 'pattern' parameter is
# used as a simple string for exact matching of the output.
proc ly_cmd {cmd {pattern ""} {opt ""}} {
namespace import ly::private::*
lassign [ly_exec $cmd] rc msg
if { $rc != 0 } {
error "unexpected return code $rc:\n$msg\n"
}
if { $pattern ne "" && [output_check $pattern $msg $opt] } {
error "unexpected output:\n$msg\n"
}
return
}
# Execute yanglint with arguments and expect error.
# Parameter cmd is a string of arguments.
# Parameter pattern is a regex.
proc ly_cmd_err {cmd pattern} {
namespace import ly::private::*
lassign [ly_exec $cmd] rc msg
if { $rc == 0 } {
error "unexpected return code $rc"
}
if { [output_check $pattern $msg] } {
error "unexpected output:\n$msg\n"
}
return
}
# Execute yanglint with arguments, expect warning in stderr but success.
# Parameter cmd is a string of arguments.
# Parameter pattern is a regex.
proc ly_cmd_wrn {cmd pattern} {
namespace import ly::private::*
lassign [ly_exec $cmd 1] rc msg
if { $rc != 0 } {
error "unexpected return code $rc:\n$msg\n"
}
if { [output_check $pattern $msg] } {
error "unexpected output:\n$msg\n"
}
return
}