spec/command_.test.sh

OILS / spec / command_.test.sh View on Github | oils.pub

246 lines, 122 significant

1	## compare_shells: dash bash mksh zsh
2
3	# Miscellaneous tests for the command language.
4
5	#### Command block
6	PATH=/bin
7
8	{ which ls; }
9	## stdout: /bin/ls
10
11	#### Permission denied
12	touch $TMP/text-file
13	$TMP/text-file
14	## status: 126
15
16	#### Not a dir
17	$TMP/not-a-dir/text-file
18	## status: 127
19
20	#### Name too long
21	./0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789
22	## status: 127
23	## OK dash status: 2
24	## OK bash status: 126
25
26	#### External programs don't have _OVM in environment
27	# bug fix for leakage
28	env \| grep _OVM
29	echo status=$?
30	## stdout: status=1
31
32	#### File with no shebang is executed
33	# most shells execute /bin/sh; bash may execute itself
34	echo 'echo hi' > $TMP/no-shebang
35	chmod +x $TMP/no-shebang
36	$SH -c '$TMP/no-shebang'
37	## stdout: hi
38	## status: 0
39
40	#### File with relative path and no shebang is executed
41	cd $TMP
42	echo 'echo hi' > no-shebang
43	chmod +x no-shebang
44	"$SH" -c './no-shebang'
45	## stdout: hi
46	## status: 0
47
48	#### File in relative subdirectory and no shebang is executed
49	cd $TMP
50	mkdir -p test-no-shebang
51	echo 'echo hi' > test-no-shebang/script
52	chmod +x test-no-shebang/script
53	"$SH" -c 'test-no-shebang/script'
54	## stdout: hi
55	## status: 0
56
57	#### $PATH lookup
58	cd $TMP
59	mkdir -p one two
60	echo 'echo one' > one/mycmd
61	echo 'echo two' > two/mycmd
62	chmod +x one/mycmd two/mycmd
63
64	PATH='one:two'
65	mycmd
66	## STDOUT:
67	one
68	## END
69
70	#### filling $PATH cache, then insert the same command earlier in cache
71	cd $TMP
72	PATH="one:two:$PATH"
73	mkdir -p one two
74	rm -f one/* two/*
75	echo 'echo two' > two/mycmd
76	chmod +x two/mycmd
77	mycmd
78
79	# Insert earlier in the path
80	echo 'echo one' > one/mycmd
81	chmod +x one/mycmd
82	mycmd # still runs the cached 'two'
83
84	# clear the cache
85	hash -r
86	mycmd # now it runs the new 'one'
87
88	## STDOUT:
89	two
90	two
91	one
92	## END
93
94	# zsh doesn't do caching!
95	## OK zsh STDOUT:
96	two
97	one
98	one
99	## END
100
101	#### filling $PATH cache, then deleting command
102	cd $TMP
103	PATH="one:two:$PATH"
104	mkdir -p one two
105	rm -f one/mycmd two/mycmd
106
107	echo 'echo two' > two/mycmd
108	chmod +x two/mycmd
109	mycmd
110	echo status=$?
111
112	# Insert earlier in the path
113	echo 'echo one' > one/mycmd
114	chmod +x one/mycmd
115	rm two/mycmd
116	mycmd # still runs the cached 'two'
117	echo status=$?
118
119	## STDOUT:
120	two
121	status=0
122	status=127
123	## END
124
125	# mksh and zsh correctly searches for the executable again!
126	## OK zsh/mksh STDOUT:
127	two
128	status=0
129	one
130	status=0
131	## END
132
133	#### Non-executable on $PATH
134
135	# shells differ in whether they actually execve('one/cmd') and get EPERM
136
137	mkdir -p one two
138	PATH="one:two:$PATH"
139
140	rm -f one/mycmd two/mycmd
141	echo 'echo one' > one/mycmd
142	echo 'echo two' > two/mycmd
143
144	# only make the second one executable
145	chmod +x two/mycmd
146	mycmd
147	echo status=$?
148
149	## STDOUT:
150	two
151	status=0
152	## END
153
154	#### hash without args prints the cache
155	whoami >/dev/null
156	hash
157	echo status=$?
158	## STDOUT:
159	/usr/bin/whoami
160	status=0
161	## END
162
163	# bash uses a weird table. Although we could use TSV2.
164	## OK bash stdout-json: "hits\tcommand\n 1\t/usr/bin/whoami\nstatus=0\n"
165
166	## OK mksh/zsh STDOUT:
167	whoami=/usr/bin/whoami
168	status=0
169	## END
170
171	#### hash with args
172	hash whoami
173	echo status=$?
174	hash \| grep -o /whoami # prints it twice
175	hash _nonexistent_
176	echo status=$?
177	## STDOUT:
178	status=0
179	/whoami
180	status=1
181	## END
182
183	# mksh doesn't fail
184	## BUG mksh STDOUT:
185	status=0
186	/whoami
187	status=0
188	## END
189
190	#### hash -r doesn't allow additional args
191	hash -r whoami >/dev/null # avoid weird output with mksh
192	echo status=$?
193	## stdout: status=1
194	## OK osh stdout: status=2
195	## BUG dash/bash stdout: status=0
196
197	#### Executing command with same name as directory in PATH (#2429)
198
199	# Make the following directory structure. File type and permission bits are
200	# given on the left.
201	# [drwxr-xr-x] _tmp
202	# +-- [drwxr-xr-x] bin
203	# \| \-- [-rwxr-xr-x] hello
204	# +-- [drwxr-xr-x] notbin
205	# \| \-- [-rw-r--r--] hello
206	# \-- [drwxr-xr-x] dir
207	# \-- [drwxr-xr-x] hello
208	mkdir -p _tmp/bin
209	mkdir -p _tmp/bin2
210	mkdir -p _tmp/notbin
211	mkdir -p _tmp/dir/hello
212	printf '#!/usr/bin/env sh\necho hi\n' >_tmp/notbin/hello
213	printf '#!/usr/bin/env sh\necho hi\n' >_tmp/bin/hello
214	chmod +x _tmp/bin/hello
215
216	DIR=$PWD/_tmp/dir
217	BIN=$PWD/_tmp/bin
218	NOTBIN=$PWD/_tmp/notbin
219
220	# The command resolution will search the path for matching files (not
221	# directories) WITH the execute bit set.
222
223	# Should find executable hello right away and run it
224	PATH="$BIN:$PATH" hello
225	echo status=$?
226
227	hash -r # Needed to clear the PATH cache
228
229	# Will see hello dir, skip it and then find&run the hello exe
230	PATH="$DIR:$BIN:$PATH" hello
231	echo status=$?
232
233	hash -r # Needed to clear the PATH cache
234
235	# Will see hello (non-executable) file, skip it and then find&run the hello exe
236	PATH="$NOTBIN:$BIN:$PATH" hello
237	echo status=$?
238
239	## STDOUT:
240	hi
241	status=0
242	hi
243	status=0
244	hi
245	status=0
246	## END