t3432: test for --no-ff's interaction with fast-forward

Add more stress tests for the can_fast_forward() case in rebase.c. These tests are getting rather verbose, but now we can see under --ff and --no-ff whether we skip work, or whether we're forced to run the rebase. These tests aren't supposed to endorse the status quo, just test for what we're currently doing. Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Denton Liu <liu.denton@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>

Ævar Arnfjörð Bjarmason committed Aug 27, 2019 at 01:37 UTC c9efc216830fa2fb71e7d917294e4530a33a4da1
1 file changed +54 -29
t/t3432-rebase-fast-forward.sh
+54 -29
@@ -16,22 +16,47 @@ test_expect_success setup '
16 '
17
18 test_rebase_same_head () {
19 + status_n="$1" &&
20 + shift &&
21 + what_n="$1" &&
22 + shift &&
23 + cmp_n="$1" &&
24 + shift &&
25 + status_f="$1" &&
26 + shift &&
27 + what_f="$1" &&
28 + shift &&
29 + cmp_f="$1" &&
30 + shift &&
31 + test_rebase_same_head_ $status_n $what_n $cmp_n "" "$*" &&
32 + test_rebase_same_head_ $status_f $what_f $cmp_f " --no-ff" "$*"
33 +}
34 +
35 +test_rebase_same_head_ () {
36 status="$1" &&
37 shift &&
38 what="$1" &&
39 shift &&
40 cmp="$1" &&
41 shift &&
25 - test_expect_$status "git rebase $* with $changes is $what" "
42 + flag="$1"
43 + shift &&
44 + test_expect_$status "git rebase$flag $* with $changes is $what with $cmp HEAD" "
45 oldhead=\$(git rev-parse HEAD) &&
46 test_when_finished 'git reset --hard \$oldhead' &&
28 - git rebase $* >stdout &&
47 + git rebase$flag $* >stdout &&
48 if test $what = work
49 then
50 + # Must check this case first, for 'is up to
51 + # date, rebase forced[...]rewinding head' cases
52 test_i18ngrep 'rewinding head' stdout
53 elif test $what = noop
54 then
34 - test_i18ngrep 'is up to date' stdout
55 + test_i18ngrep 'is up to date' stdout &&
56 + test_i18ngrep ! 'rebase forced' stdout
57 + elif test $what = noop-force
58 + then
59 + test_i18ngrep 'is up to date, rebase forced' stdout
60 fi &&
61 newhead=\$(git rev-parse HEAD) &&
62 if test $cmp = same
@@ -45,32 +70,32 @@ test_rebase_same_head () {
70 }
71
72 changes='no changes'
48 -test_rebase_same_head success work same
49 -test_rebase_same_head success noop same master
50 -test_rebase_same_head success noop same --onto B B
51 -test_rebase_same_head success noop same --onto B... B
52 -test_rebase_same_head success noop same --onto master... master
53 -test_rebase_same_head success noop same --no-fork-point
54 -test_rebase_same_head success work same --fork-point master
55 -test_rebase_same_head failure noop same --fork-point --onto B B
56 -test_rebase_same_head failure work same --fork-point --onto B... B
57 -test_rebase_same_head success work same --fork-point --onto master... master
73 +test_rebase_same_head success work same success work same
74 +test_rebase_same_head success noop same success noop-force same master
75 +test_rebase_same_head success noop same success noop-force diff --onto B B
76 +test_rebase_same_head success noop same success noop-force diff --onto B... B
77 +test_rebase_same_head success noop same success noop-force same --onto master... master
78 +test_rebase_same_head success noop same success noop-force same --no-fork-point
79 +test_rebase_same_head success work same success work same --fork-point master
80 +test_rebase_same_head failure noop same success work diff --fork-point --onto B B
81 +test_rebase_same_head failure work same success work diff --fork-point --onto B... B
82 +test_rebase_same_head success work same success work same --fork-point --onto master... master
83
84 test_expect_success 'add work same to side' '
85 test_commit E
86 '
87
88 changes='our changes'
64 -test_rebase_same_head success work same
65 -test_rebase_same_head success noop same master
66 -test_rebase_same_head success noop same --onto B B
67 -test_rebase_same_head success noop same --onto B... B
68 -test_rebase_same_head success noop same --onto master... master
69 -test_rebase_same_head success noop same --no-fork-point
70 -test_rebase_same_head success work same --fork-point master
71 -test_rebase_same_head failure work same --fork-point --onto B B
72 -test_rebase_same_head failure work same --fork-point --onto B... B
73 -test_rebase_same_head success work same --fork-point --onto master... master
89 +test_rebase_same_head success work same success work same
90 +test_rebase_same_head success noop same success noop-force same master
91 +test_rebase_same_head success noop same success noop-force diff --onto B B
92 +test_rebase_same_head success noop same success noop-force diff --onto B... B
93 +test_rebase_same_head success noop same success noop-force same --onto master... master
94 +test_rebase_same_head success noop same success noop-force same --no-fork-point
95 +test_rebase_same_head success work same success work same --fork-point master
96 +test_rebase_same_head failure work same success work diff --fork-point --onto B B
97 +test_rebase_same_head failure work same success work diff --fork-point --onto B... B
98 +test_rebase_same_head success work same success work same --fork-point --onto master... master
99
100 test_expect_success 'add work same to upstream' '
101 git checkout master &&
@@ -79,11 +104,11 @@ test_expect_success 'add work same to upstream' '
104 '
105
106 changes='our and their changes'
82 -test_rebase_same_head success noop same --onto B B
83 -test_rebase_same_head success noop same --onto B... B
84 -test_rebase_same_head failure work same --onto master... master
85 -test_rebase_same_head failure work same --fork-point --onto B B
86 -test_rebase_same_head failure work same --fork-point --onto B... B
87 -test_rebase_same_head failure work same --fork-point --onto master... master
107 +test_rebase_same_head success noop same success noop-force diff --onto B B
108 +test_rebase_same_head success noop same success noop-force diff --onto B... B
109 +test_rebase_same_head failure work same success work diff --onto master... master
110 +test_rebase_same_head failure work same success work diff --fork-point --onto B B
111 +test_rebase_same_head failure work same success work diff --fork-point --onto B... B
112 +test_rebase_same_head failure work same success work diff --fork-point --onto master... master
113
114 test_done