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 # If `has_progress_bar` is true, then the output is a progress bar.
101 # The printed the line starts with `'\r'` and is not ended by a `'\n'`.
102 # So it is expected that:
103 # * no other output is printed between two calls
104 # * the last `show_unit_status` is followed by a new-line
106 # If `has_progress_bar` is false, then only the first and last state is shown
107 fun show_unit_status
(name
: String, tests
: SequenceRead[UnitTest])
109 var esc
= 27.code_point
.to_s
110 var line
= "\r{esc}[K* {name} ["
111 var done
= tests
.length
113 if not t
.is_done
then
116 else if t
.error
== null then
117 line
+= ".".green
.bold
123 if not has_progress_bar
then
125 print
"* {name} ({tests.length} tests)"
130 line
+= "] {done}/{tests.length}"
134 # Is a progress bar printed?
136 # true if color (because and non-verbose mode
137 # (because verbose mode messes up with the progress bar).
138 fun has_progress_bar
: Bool
140 return not opt_no_color
.value
and opt_verbose
.value
<= 0
143 # Clear the line if `has_progress_bar` (no-op else)
144 fun clear_progress_bar
146 if has_progress_bar
then printn
"\r\x1B[K"
149 # Show the full description of the test-case.
151 # The output honors `--no-color`.
153 # `more message`, if any, is added after the error message.
154 fun show_unit
(test
: UnitTest, more_message
: nullable String) do
155 print test
.to_screen
(more_message
, not opt_no_color
.value
)
159 # A unit test is an elementary test discovered, run and reported by nitunit.
161 # This class factorizes `DocUnit` and `TestCase`.
162 abstract class UnitTest
163 # The name of the unit to show in messages
164 fun full_name
: String is abstract
166 # The location of the unit test to show in messages.
167 fun location
: Location is abstract
169 # Flag that indicates if the unit test was compiled/run.
170 var is_done
: Bool = false is writable
172 # Error message occurred during test-case execution (or compilation).
174 # e.g.: `Runtime Error`
175 var error
: nullable String = null is writable
177 # Was the test case executed at least once?
179 # This will indicate the status of the test (failture or error)
180 var was_exec
= false is writable
182 # The raw output of the execution (or compilation)
184 # It merges the standard output and error output
185 var raw_output
: nullable String = null is writable
187 # The location where the error occurred, if it makes sense.
188 var error_location
: nullable Location = null is writable
190 # A colorful `[OK]` or `[KO]`.
191 fun status_tag
(color
: nullable Bool): String do
192 color
= color
or else true
195 else if error
!= null then
197 if color
then res
= res
.red
.bold
201 if color
then res
= res
.green
.bold
206 # The full (color) description of the test-case.
208 # `more message`, if any, is added after the error message.
209 fun to_screen
(more_message
: nullable String, color
: nullable Bool): String do
210 color
= color
or else true
212 var error
= self.error
213 if error
!= null then
214 if more_message
!= null then error
+= " " + more_message
215 var loc
= error_location
or else location
217 res
= "{status_tag(color)} {full_name}\n {loc.to_s.yellow}: {error}\n{loc.colored_line("1;31")}"
219 res
= "{status_tag(color)} {full_name}\n {loc}: {error}"
221 var output
= self.raw_output
222 if output
!= null then
223 res
+= "\n Output\n\t{output.chomp.replace("\n", "\n\t")}\n"
226 res
= "{status_tag(color)} {full_name}"
227 if more_message
!= null then res
+= more_message
232 # Return a `<testcase>` XML node in format compatible with Jenkins unit tests.
233 fun to_xml
: HTMLTag do
234 var tc
= new HTMLTag("testcase")
235 tc
.attr
("classname", xml_classname
)
236 tc
.attr
("name", xml_name
)
237 var error
= self.error
238 if error
!= null then
240 tc
.open
("error").append
(error
)
242 tc
.open
("failure").append
(error
)
245 var output
= self.raw_output
246 if output
!= null then
247 tc
.open
("system-err").append
(output
.trunc
(8192).filter_nonprintable
)
252 # The `classname` attribute of the XML format.
254 # NOTE: jenkins expects a '.' in the classname attr
257 fun xml_classname
: String is abstract
259 # The `name` attribute of the XML format.
262 fun xml_name
: String is abstract
266 # If needed, truncate `self` at `max_length` characters and append an informative `message`.
269 # assert "hello".trunc(10) == "hello"
270 # assert "hello".trunc(2) == "he[truncated. Full size is 5]"
271 # assert "hello".trunc(2, "...") == "he..."
273 fun trunc
(max_length
: Int, message
: nullable String): String
275 if length
<= max_length
then return self
276 if message
== null then message
= "[truncated. Full size is {length}]"
277 return substring
(0, max_length
) + message
280 # Use a special notation for whitespace characters that are not `'\n'` (LFD) or `' '` (space).
283 # assert "hello".filter_nonprintable == "hello"
284 # assert "\r\n\t".filter_nonprintable == "^13\n^9"
286 fun filter_nonprintable
: String
290 var cp
= c
.code_point
291 if cp
< 32 and c
!= '\n' then