1 # This file is part of NIT ( http://www.nitlanguage.org ).
3 # Licensed under the Apache License, Version 2.0 (the "License");
4 # you may not use this file except in compliance with the License.
5 # You may obtain a copy of the License at
7 # http://www.apache.org/licenses/LICENSE-2.0
9 # Unless required by applicable law or agreed to in writing, software
10 # distributed under the License is distributed on an "AS IS" BASIS,
11 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 # See the License for the specific language governing permissions and
13 # limitations under the License.
15 # Base options for testing tools.
19 private import parser_util
23 redef class ToolContext
25 var opt_full
= new OptionBool("Process also imported modules", "--full")
27 var opt_output
= new OptionString("Output name (default is 'nitunit.xml')", "-o", "--output")
29 var opt_dir
= new OptionString("Working directory (default is '.nitunit')", "--dir")
31 var opt_noact
= new OptionBool("Does not compile and run tests", "--no-act")
33 var opt_nitc
= new OptionString("nitc compiler to use", "--nitc")
35 # Working directory for testing.
36 fun test_dir
: String do
37 var dir
= opt_dir
.value
38 if dir
== null then return "nitunit.out"
42 # Search the `nitc` compiler to use
44 # If not `nitc` is suitable, then prints an error and quit.
47 var nitc
= opt_nitc
.value
49 if not nitc
.file_exists
then
50 fatal_error
(null, "error: cannot find `{nitc}` given by --nitc.")
58 if not nitc
.file_exists
then
59 fatal_error
(null, "error: cannot find `{nitc}` given by NITC.")
66 nitc
= nit_dir
/"bin/nitc"
67 if not nitc
.file_exists
then
68 fatal_error
(null, "Error: cannot find nitc. Set envvar NIT_DIR or NITC or use the --nitc option.")
74 # Execute a system command in a more safe context than `Sys::system`.
75 fun safe_exec
(command
: String): Int
78 var real_command
= """
80 ulimit -f {{{ulimit_file}}} 2> /dev/null
81 ulimit -t {{{ulimit_usertime}}} 2> /dev/null
85 return system
(real_command
)
88 # The maximum size (in KB) of files written by a command executed trough `safe_exec`
91 var ulimit_file
= 65536 is writable
93 # The maximum amount of cpu time (in seconds) for a command executed trough `safe_exec`
95 # Default: 10 CPU minute
96 var ulimit_usertime
= 600 is writable
98 # Show a single-line status to use as a progression.
100 # Note that the line starts with `'\r'` and is not ended by a `'\n'`.
101 # So it is expected that:
102 # * no other output is printed between two calls
103 # * the last `show_unit_status` is followed by a new-line
104 fun show_unit_status
(name
: String, tests
: SequenceRead[UnitTest], more_message
: nullable String)
106 var esc
= 27.code_point
.to_s
107 var line
= "\r{esc}[K* {name} ["
108 var done
= tests
.length
110 if not t
.is_done
then
113 else if t
.error
== null then
114 line
+= ".".green
.bold
120 if opt_no_color
.value
then
122 print
"* {name} ({tests.length} tests)"
127 line
+= "] {done}/{tests.length}"
128 if more_message
!= null then
129 line
+= " " + more_message
134 # Shoe the full description of the test-case.
136 # The output honors `--no-color`.
138 # `more message`, if any, is added after the error message.
139 fun show_unit
(test
: UnitTest, more_message
: nullable String) do
140 print test
.to_screen
(more_message
, not opt_no_color
.value
)
144 # A unit test is an elementary test discovered, run and reported by nitunit.
146 # This class factorizes `DocUnit` and `TestCase`.
147 abstract class UnitTest
148 # The name of the unit to show in messages
149 fun full_name
: String is abstract
151 # The location of the unit test to show in messages.
152 fun location
: Location is abstract
154 # Flag that indicates if the unit test was compiled/run.
155 var is_done
: Bool = false is writable
157 # Error message occurred during test-case execution (or compilation).
159 # e.g.: `Runtime Error`
160 var error
: nullable String = null is writable
162 # Was the test case executed at least once?
164 # This will indicate the status of the test (failture or error)
165 var was_exec
= false is writable
167 # The raw output of the execution (or compilation)
169 # It merges the standard output and error output
170 var raw_output
: nullable String = null is writable
172 # The location where the error occurred, if it makes sense.
173 var error_location
: nullable Location = null is writable
175 # A colorful `[OK]` or `[KO]`.
176 fun status_tag
(color
: nullable Bool): String do
177 color
= color
or else true
180 else if error
!= null then
182 if color
then res
= res
.red
.bold
186 if color
then res
= res
.green
.bold
191 # The full (color) description of the test-case.
193 # `more message`, if any, is added after the error message.
194 fun to_screen
(more_message
: nullable String, color
: nullable Bool): String do
195 color
= color
or else true
197 var error
= self.error
198 if error
!= null then
199 if more_message
!= null then error
+= " " + more_message
200 var loc
= error_location
or else location
202 res
= "{status_tag(color)} {full_name}\n {loc.to_s.yellow}: {error}\n{loc.colored_line("1;31")}"
204 res
= "{status_tag(color)} {full_name}\n {loc}: {error}"
206 var output
= self.raw_output
207 if output
!= null then
208 res
+= "\n Output\n\t{output.chomp.replace("\n", "\n\t")}\n"
211 res
= "{status_tag(color)} {full_name}"
212 if more_message
!= null then res
+= more_message
217 # Return a `<testcase>` XML node in format compatible with Jenkins unit tests.
218 fun to_xml
: HTMLTag do
219 var tc
= new HTMLTag("testcase")
220 tc
.attr
("classname", xml_classname
)
221 tc
.attr
("name", xml_name
)
222 var error
= self.error
223 if error
!= null then
225 tc
.open
("error").append
(error
)
227 tc
.open
("failure").append
(error
)
230 var output
= self.raw_output
231 if output
!= null then
232 tc
.open
("system-err").append
(output
.trunc
(8192).filter_nonprintable
)
237 # The `classname` attribute of the XML format.
239 # NOTE: jenkins expects a '.' in the classname attr
242 fun xml_classname
: String is abstract
244 # The `name` attribute of the XML format.
247 fun xml_name
: String is abstract
251 # If needed, truncate `self` at `max_length` characters and append an informative `message`.
254 # assert "hello".trunc(10) == "hello"
255 # assert "hello".trunc(2) == "he[truncated. Full size is 5]"
256 # assert "hello".trunc(2, "...") == "he..."
258 fun trunc
(max_length
: Int, message
: nullable String): String
260 if length
<= max_length
then return self
261 if message
== null then message
= "[truncated. Full size is {length}]"
262 return substring
(0, max_length
) + message
265 # Use a special notation for whitespace characters that are not `'\n'` (LFD) or `' '` (space).
268 # assert "hello".filter_nonprintable == "hello"
269 # assert "\r\n\t".filter_nonprintable == "^13\n^9"
271 fun filter_nonprintable
: String
275 var cp
= c
.code_point
276 if cp
< 32 and c
!= '\n' then