1 #!/bin/sh
2 #
3 # Copyright (c) 2023 Mark Jamsek <mark@jamsek.dev>
4 #
5 # Permission to use, copy, modify, and distribute this software for any
6 # purpose with or without fee is hereby granted, provided that the above
7 # copyright notice and this permission notice appear in all copies.
8 #
9 # THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 # OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16 
17 . ./common.sh
18 
19 test_diff_contiguous_commits()
20 {
21 	test_init diff_contiguous_commits
22 
23 	local commit_id1=`git_show_head $testroot/repo`
24 	local alpha_id_old=`get_blob_id $testroot/repo "" alpha`
25 
26 	echo "modified alpha" > $testroot/repo/alpha
27 	git_commit $testroot/repo -m "changed alpha"
28 	local author_time=`git_show_author_time $testroot/repo`
29 	local date=`date -u -r $author_time +"%a %b %e %X %Y UTC"`
30 	local head_id=`git_show_head $testroot/repo`
31 	local head_id_truncated=`trim_obj_id 13 $head_id`
32 	local alpha_id=`get_blob_id $testroot/repo "" alpha`
33 
34 	cat <<EOF >$TOG_TEST_SCRIPT
35 SCREENDUMP
36 EOF
37 
38 	cat <<EOF >$testroot/view.expected
39 [1/20] diff $commit_id1 $head_id_truncated
40 commit $head_id (master)
41 from: Flan Hacker <flan_hacker@openbsd.org>
42 date: $date
43 
44 changed alpha
45 
46 M  alpha  |  1+  1-
47 
48 1 file changed, 1 insertion(+), 1 deletion(-)
49 
50 commit - $commit_id1
51 commit + $head_id
52 blob - $alpha_id_old
53 blob + $alpha_id
54 --- alpha
55 +++ alpha
56 @@ -1 +1 @@
57 -alpha
58 +modified alpha
59 
60 
61 
62 (END)
63 EOF
64 
65 	cd $testroot/repo && tog diff $commit_id1 $head_id
66 	cmp -s $testroot/view.expected $testroot/view
67 	ret=$?
68 	if [ $ret -ne 0 ]; then
69 		diff -u $testroot/view.expected $testroot/view
70 		test_done "$testroot" "$ret"
71 		return 1
72 	fi
73 
74 	test_done "$testroot" "$ret"
75 }
76 
77 test_diff_arbitrary_commits()
78 {
79 	test_init diff_arbitrary_commits 80 18
80 
81 	local commit_id1=`git_show_head $testroot/repo`
82 	local alpha_id_old=`get_blob_id $testroot/repo "" alpha`
83 
84 	echo "modified alpha" > $testroot/repo/alpha
85 	git_commit $testroot/repo -m "changed alpha"
86 	local commit_id2=`git_show_head $testroot/repo`
87 
88 	echo "modified alpha again" > $testroot/repo/alpha
89 	echo "new file" > $testroot/repo/new
90 	(cd $testroot/repo && git add new)
91 	git_commit $testroot/repo -m "new file"
92 	local head_id=`git_show_head $testroot/repo`
93 	local head_id_truncated=`trim_obj_id 13 $head_id`
94 	local alpha_id=`get_blob_id $testroot/repo "" alpha`
95 	local new_id=`get_blob_id $testroot/repo "" new`
96 
97 	cat <<EOF >$TOG_TEST_SCRIPT
98 SCREENDUMP
99 EOF
100 
101 	cat <<EOF >$testroot/view.expected
102 [1/16] diff $commit_id1 $head_id_truncated
103 commit - $commit_id1
104 commit + $head_id
105 blob - $alpha_id_old
106 blob + $alpha_id
107 --- alpha
108 +++ alpha
109 @@ -1 +1 @@
110 -alpha
111 +modified alpha again
112 blob - /dev/null
113 blob + $new_id (mode 644)
114 --- /dev/null
115 +++ new
116 @@ -0,0 +1 @@
117 +new file
118 
119 (END)
120 EOF
121 
122 	cd $testroot/repo && tog diff $commit_id1 $head_id
123 	cmp -s $testroot/view.expected $testroot/view
124 	ret=$?
125 	if [ $ret -ne 0 ]; then
126 		diff -u $testroot/view.expected $testroot/view
127 		test_done "$testroot" "$ret"
128 		return 1
129 	fi
130 
131 	test_done "$testroot" "$ret"
132 }
133 
134 test_diff_J_keymap_on_last_loaded_commit()
135 {
136 	test_init diff_J_keymap_on_last_loaded_commit 94 24
137 
138 	local i=0
139 
140 	cd $testroot/repo
141 
142 	while [ "$i" -lt 32 ]; do
143 		echo $i > alpha
144 		git commit -aqm $i
145 		if [ $i -eq 6 ]; then
146 			local id6=$(git_show_head .)
147 			local blobid6=$(get_blob_id . "" alpha)
148 		elif [ $i -eq 7 ]; then
149 			local id7=$(git_show_head .)
150 			local blobid7=$(get_blob_id . "" alpha)
151 			local author_time=$(git_show_author_time .)
152 		fi
153 		i=$(( i + 1 ))
154 	done
155 
156 	local date=`date -u -r $author_time +"%a %b %e %X %Y UTC"`
157 
158 	cat <<EOF >$TOG_TEST_SCRIPT
159 KEY_ENTER	open diff view of selected commit
160 S		toggle horizontal split
161 TAB		tab back to log view
162 23j		move to last loaded commit
163 KEY_ENTER	select last loaded commit
164 F		toggle fullscreen
165 J		move down to next commit in the log
166 SCREENDUMP
167 EOF
168 
169 	cat <<EOF >$testroot/view.expected
170 [1/20] diff $id6 $id7
171 commit $id7
172 from: Flan Hacker <flan_hacker@openbsd.org>
173 date: $date
174 
175 7
176 
177 M  alpha  |  1+  1-
178 
179 1 file changed, 1 insertion(+), 1 deletion(-)
180 
181 commit - $id6
182 commit + $id7
183 blob - $blobid6
184 blob + $blobid7
185 --- alpha
186 +++ alpha
187 @@ -1 +1 @@
188 -6
189 +7
190 
191 
192 
193 (END)
194 EOF
195 
196 	tog log
197 	cmp -s $testroot/view.expected $testroot/view
198 	ret=$?
199 	if [ $ret -ne 0 ]; then
200 		diff -u $testroot/view.expected $testroot/view
201 		test_done "$testroot" "$ret"
202 		return 1
203 	fi
204 
205 	test_done "$testroot" "$ret"
206 }
207 
208 test_diff_commit_keywords()
209 {
210 	test_init diff_commit_keywords 120 24
211 	local repo="$testroot/repo"
212 	local wt="$testroot/wt"
213 	local id=$(git_show_head "$repo")
214 	local author_time=$(git_show_author_time "$repo")
215 	local ids="$id"
216 	local alpha_ids="$(get_blob_id "$repo" "" alpha)"
217 
218 	set -- "$author_time"
219 
220 	got checkout "$repo" "$wt" > /dev/null
221 	ret=$?
222 	if [ $ret -ne 0 ]; then
223 		echo "got checkout failed unexpectedly"
224 		test_done "$testroot" "$ret"
225 		return 1
226 	fi
227 
228 	# move into the work tree (test is run in a subshell)
229 	cd "$wt"
230 
231 	for i in $(seq 8); do
232 		echo "alpha $i" > alpha
233 
234 		got ci -m "commit $i" > /dev/null
235 		ret=$?
236 		if [ $ret -ne 0 ]; then
237 			echo "commit failed unexpectedly" >&2
238 			test_done "$testroot" "$ret"
239 			return 1
240 		fi
241 
242 		id=$(git_show_head "$repo")
243 		ids="$ids $id"
244 		alpha_ids="$alpha_ids $(get_blob_id "$repo" "" alpha)"
245 		set -- "$@" $(git_show_author_time "$repo")
246 	done
247 
248 	cat <<-EOF >$TOG_TEST_SCRIPT
249 	SCREENDUMP
250 	EOF
251 
252 	# diff consecutive commits with keywords
253 	local lhs_id=$(pop_idx 1 $ids)
254 	local rhs_id=$(pop_idx 2 $ids)
255 	local date=$(date -u -r $(pop_idx 2 $@) +"%a %b %e %X %Y UTC")
256 
257 	cat <<-EOF >$testroot/view.expected
258 	[1/20] diff $lhs_id $rhs_id
259 	commit $rhs_id
260 	from: Flan Hacker <flan_hacker@openbsd.org>
261 	date: $date
262 
263 	commit 1
264 
265 	M  alpha  |  1+  1-
266 
267 	1 file changed, 1 insertion(+), 1 deletion(-)
268 
269 	commit - $lhs_id
270 	commit + $rhs_id
271 	blob - $(pop_idx 1 $alpha_ids)
272 	blob + $(pop_idx 2 $alpha_ids)
273 	--- alpha
274 	+++ alpha
275 	@@ -1 +1 @@
276 	-alpha
277 	+alpha 1
278 
279 
280 
281 	(END)
282 	EOF
283 
284 	tog diff :base:-99 :head:-7
285 	cmp -s "$testroot/view.expected" "$testroot/view"
286 	ret=$?
287 	if [ $ret -ne 0 ]; then
288 		diff -u "$testroot/view.expected" "$testroot/view"
289 		test_done "$testroot" "$ret"
290 		return 1
291 	fi
292 
293 	# diff arbitrary commits with keywords
294 	lhs_id=$(pop_idx 5 $ids)
295 	rhs_id=$(pop_idx 8 $ids)
296 
297 	cat <<-EOF >$testroot/view.expected
298 	[1/10] diff $lhs_id $rhs_id
299 	commit - $lhs_id
300 	commit + $rhs_id
301 	blob - $(pop_idx 5 $alpha_ids)
302 	blob + $(pop_idx 8 $alpha_ids)
303 	--- alpha
304 	+++ alpha
305 	@@ -1 +1 @@
306 	-alpha 4
307 	+alpha 7
308 
309 
310 
311 
312 
313 
314 
315 
316 
317 
318 
319 
320 
321 	(END)
322 	EOF
323 
324 	tog diff master:-4 :head:-
325 	cmp -s "$testroot/view.expected" "$testroot/view"
326 	ret=$?
327 	if [ $ret -ne 0 ]; then
328 		diff -u "$testroot/view.expected" "$testroot/view"
329 		test_done "$testroot" "$ret"
330 		return 1
331 	fi
332 
333 	# diff consecutive commits using keywords with -r repository
334 	lhs_id=$(pop_idx 8 $ids)
335 	rhs_id=$(pop_idx 9 $ids)
336 	date=$(date -u -r $(pop_idx 9 $@) +"%a %b %e %X %Y UTC")
337 
338 	cat <<-EOF >$testroot/view.expected
339 	[1/20] diff $lhs_id refs/heads/master
340 	commit $rhs_id (master)
341 	from: Flan Hacker <flan_hacker@openbsd.org>
342 	date: $date
343 
344 	commit 8
345 
346 	M  alpha  |  1+  1-
347 
348 	1 file changed, 1 insertion(+), 1 deletion(-)
349 
350 	commit - $lhs_id
351 	commit + $rhs_id
352 	blob - $(pop_idx 8 $alpha_ids)
353 	blob + $(pop_idx 9 $alpha_ids)
354 	--- alpha
355 	+++ alpha
356 	@@ -1 +1 @@
357 	-alpha 7
358 	+alpha 8
359 
360 
361 
362 	(END)
363 	EOF
364 
365 	tog diff -r "$repo" :head:- master
366 	cmp -s "$testroot/view.expected" "$testroot/view"
367 	ret=$?
368 	if [ $ret -ne 0 ]; then
369 		diff -u "$testroot/view.expected" "$testroot/view"
370 		test_done "$testroot" "$ret"
371 		return 1
372 	fi
373 
374 	test_done "$testroot" "$ret"
375 }
376 
377 test_parseargs "$@"
378 run_test test_diff_contiguous_commits
379 run_test test_diff_arbitrary_commits
380 run_test test_diff_J_keymap_on_last_loaded_commit
381 run_test test_diff_commit_keywords