1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
|
/*
NOTE: this is the implementation for both merge/trees/analysis.c and merge/workdir/analysis.c
You probably want to make changes to both files.
*/
#include "clar_libgit2.h"
#include "git2/repository.h"
#include "git2/merge.h"
#include "git2/annotated_commit.h"
#include "git2/sys/index.h"
#include "merge.h"
#include "merge_helpers.h"
#include "refs.h"
#include "posix.h"
#define TEST_REPO_PATH "merge-resolve"
#define UPTODATE_BRANCH "master"
#define PREVIOUS_BRANCH "previous"
#define FASTFORWARD_BRANCH "ff_branch"
#define FASTFORWARD_ID "fd89f8cffb663ac89095a0f9764902e93ceaca6a"
#define NOFASTFORWARD_BRANCH "branch"
#define NOFASTFORWARD_ID "7cb63eed597130ba4abb87b3e544b85021905520"
static git_repository *sandbox;
static git_repository *repo;
void test_merge_analysis__initialize_with_bare_repository(void)
{
sandbox = cl_git_sandbox_init(TEST_REPO_PATH);
cl_git_pass(git_repository_open_ext(&repo, git_repository_path(sandbox),
GIT_REPOSITORY_OPEN_BARE, NULL));
}
void test_merge_analysis__initialize_with_nonbare_repository(void)
{
sandbox = cl_git_sandbox_init(TEST_REPO_PATH);
cl_git_pass(git_repository_open_ext(&repo, git_repository_workdir(sandbox),
0, NULL));
}
void test_merge_analysis__cleanup(void)
{
git_repository_free(repo);
cl_git_sandbox_cleanup();
}
static void analysis_from_branch(
git_merge_analysis_t *merge_analysis,
git_merge_preference_t *merge_pref,
const char *our_branchname,
const char *their_branchname)
{
git_str our_refname = GIT_STR_INIT;
git_str their_refname = GIT_STR_INIT;
git_reference *our_ref;
git_reference *their_ref;
git_annotated_commit *their_head;
if (our_branchname != NULL) {
cl_git_pass(git_str_printf(&our_refname, "%s%s", GIT_REFS_HEADS_DIR, our_branchname));
cl_git_pass(git_reference_lookup(&our_ref, repo, git_str_cstr(&our_refname)));
} else {
cl_git_pass(git_reference_lookup(&our_ref, repo, GIT_HEAD_FILE));
}
cl_git_pass(git_str_printf(&their_refname, "%s%s", GIT_REFS_HEADS_DIR, their_branchname));
cl_git_pass(git_reference_lookup(&their_ref, repo, git_str_cstr(&their_refname)));
cl_git_pass(git_annotated_commit_from_ref(&their_head, repo, their_ref));
cl_git_pass(git_merge_analysis_for_ref(merge_analysis, merge_pref, repo, our_ref, (const git_annotated_commit **)&their_head, 1));
git_str_dispose(&our_refname);
git_str_dispose(&their_refname);
git_annotated_commit_free(their_head);
git_reference_free(our_ref);
git_reference_free(their_ref);
}
void test_merge_analysis__fastforward(void)
{
git_merge_analysis_t merge_analysis;
git_merge_preference_t merge_pref;
analysis_from_branch(&merge_analysis, &merge_pref, NULL, FASTFORWARD_BRANCH);
cl_assert_equal_i(GIT_MERGE_ANALYSIS_NORMAL|GIT_MERGE_ANALYSIS_FASTFORWARD, merge_analysis);
}
void test_merge_analysis__no_fastforward(void)
{
git_merge_analysis_t merge_analysis;
git_merge_preference_t merge_pref;
analysis_from_branch(&merge_analysis, &merge_pref, NULL, NOFASTFORWARD_BRANCH);
cl_assert_equal_i(GIT_MERGE_ANALYSIS_NORMAL, merge_analysis);
}
void test_merge_analysis__uptodate(void)
{
git_merge_analysis_t merge_analysis;
git_merge_preference_t merge_pref;
analysis_from_branch(&merge_analysis, &merge_pref, NULL, UPTODATE_BRANCH);
cl_assert_equal_i(GIT_MERGE_ANALYSIS_UP_TO_DATE, merge_analysis);
}
void test_merge_analysis__uptodate_merging_prev_commit(void)
{
git_merge_analysis_t merge_analysis;
git_merge_preference_t merge_pref;
analysis_from_branch(&merge_analysis, &merge_pref, NULL, PREVIOUS_BRANCH);
cl_assert_equal_i(GIT_MERGE_ANALYSIS_UP_TO_DATE, merge_analysis);
}
void test_merge_analysis__unborn(void)
{
git_merge_analysis_t merge_analysis;
git_merge_preference_t merge_pref;
git_str master = GIT_STR_INIT;
cl_git_pass(git_str_joinpath(&master, git_repository_path(repo), "refs/heads/master"));
cl_must_pass(p_unlink(git_str_cstr(&master)));
analysis_from_branch(&merge_analysis, &merge_pref, NULL, NOFASTFORWARD_BRANCH);
cl_assert_equal_i(GIT_MERGE_ANALYSIS_FASTFORWARD|GIT_MERGE_ANALYSIS_UNBORN, merge_analysis);
git_str_dispose(&master);
}
void test_merge_analysis__fastforward_with_config_noff(void)
{
git_config *config;
git_merge_analysis_t merge_analysis;
git_merge_preference_t merge_pref;
cl_git_pass(git_repository_config(&config, repo));
cl_git_pass(git_config_set_string(config, "merge.ff", "false"));
analysis_from_branch(&merge_analysis, &merge_pref, NULL, FASTFORWARD_BRANCH);
cl_assert_equal_i(GIT_MERGE_ANALYSIS_NORMAL|GIT_MERGE_ANALYSIS_FASTFORWARD, merge_analysis);
cl_assert_equal_i(GIT_MERGE_PREFERENCE_NO_FASTFORWARD, (merge_pref & GIT_MERGE_PREFERENCE_NO_FASTFORWARD));
git_config_free(config);
}
void test_merge_analysis__no_fastforward_with_config_ffonly(void)
{
git_config *config;
git_merge_analysis_t merge_analysis;
git_merge_preference_t merge_pref;
cl_git_pass(git_repository_config(&config, repo));
cl_git_pass(git_config_set_string(config, "merge.ff", "only"));
analysis_from_branch(&merge_analysis, &merge_pref, NULL, NOFASTFORWARD_BRANCH);
cl_assert_equal_i(GIT_MERGE_ANALYSIS_NORMAL, merge_analysis);
cl_assert_equal_i(GIT_MERGE_PREFERENCE_FASTFORWARD_ONLY, (merge_pref & GIT_MERGE_PREFERENCE_FASTFORWARD_ONLY));
git_config_free(config);
}
void test_merge_analysis__between_uptodate_refs(void)
{
git_merge_analysis_t merge_analysis;
git_merge_preference_t merge_pref;
analysis_from_branch(&merge_analysis, &merge_pref, NOFASTFORWARD_BRANCH, PREVIOUS_BRANCH);
cl_assert_equal_i(GIT_MERGE_ANALYSIS_UP_TO_DATE, merge_analysis);
}
void test_merge_analysis__between_noff_refs(void)
{
git_merge_analysis_t merge_analysis;
git_merge_preference_t merge_pref;
analysis_from_branch(&merge_analysis, &merge_pref, "branch", FASTFORWARD_BRANCH);
cl_assert_equal_i(GIT_MERGE_ANALYSIS_NORMAL, merge_analysis);
}
|
