summaryrefslogtreecommitdiff
path: root/tests-clar/merge/trees/automerge.c
blob: 04a7beff6203d401c02a60407dc8ee302406a786 (plain)
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
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
#include "clar_libgit2.h"
#include "git2/repository.h"
#include "git2/merge.h"
#include "buffer.h"
#include "merge.h"
#include "../merge_helpers.h"
#include "fileops.h"

static git_repository *repo;

#define TEST_REPO_PATH "merge-resolve"
#define TEST_INDEX_PATH TEST_REPO_PATH "/.git/index"

#define THEIRS_AUTOMERGE_BRANCH        "branch"

#define THEIRS_UNRELATED_BRANCH		"unrelated"
#define THEIRS_UNRELATED_OID		"55b4e4687e7a0d9ca367016ed930f385d4022e6f"
#define THEIRS_UNRELATED_PARENT		"d6cf6c7741b3316826af1314042550c97ded1d50"

#define OURS_DIRECTORY_FILE			"df_side1"
#define THEIRS_DIRECTORY_FILE		"df_side2"

/* Non-conflicting files, index entries are common to every merge operation */
#define ADDED_IN_MASTER_INDEX_ENTRY	\
	{ 0100644, "233c0919c998ed110a4b6ff36f353aec8b713487", 0,  "added-in-master.txt" }
#define AUTOMERGEABLE_INDEX_ENTRY \
	{ 0100644, "f2e1550a0c9e53d5811175864a29536642ae3821", 0,  "automergeable.txt" }
#define CHANGED_IN_BRANCH_INDEX_ENTRY \
	{ 0100644, "4eb04c9e79e88f6640d01ff5b25ca2a60764f216", 0,  "changed-in-branch.txt" }
#define CHANGED_IN_MASTER_INDEX_ENTRY \
	{ 0100644, "11deab00b2d3a6f5a3073988ac050c2d7b6655e2", 0,  "changed-in-master.txt" }
#define UNCHANGED_INDEX_ENTRY \
	{ 0100644, "c8f06f2e3bb2964174677e91f0abead0e43c9e5d", 0,  "unchanged.txt" }

/* Expected REUC entries */
#define AUTOMERGEABLE_REUC_ENTRY \
	{ "automergeable.txt", 0100644, 0100644, 0100644, \
	  "6212c31dab5e482247d7977e4f0dd3601decf13b", \
	  "ee3fa1b8c00aff7fe02065fdb50864bb0d932ccf", \
	  "058541fc37114bfc1dddf6bd6bffc7fae5c2e6fe" }
#define CONFLICTING_REUC_ENTRY \
	{ "conflicting.txt", 0100644, 0100644, 0100644, \
	  "d427e0b2e138501a3d15cc376077a3631e15bd46", \
	  "4e886e602529caa9ab11d71f86634bd1b6e0de10", \
	  "2bd0a343aeef7a2cf0d158478966a6e587ff3863" }
#define REMOVED_IN_BRANCH_REUC_ENTRY \
	{ "removed-in-branch.txt", 0100644, 0100644, 0, \
	  "dfe3f22baa1f6fce5447901c3086bae368de6bdd", \
	  "dfe3f22baa1f6fce5447901c3086bae368de6bdd", \
	  "" }
#define REMOVED_IN_MASTER_REUC_ENTRY \
	{ "removed-in-master.txt", 0100644, 0, 0100644, \
	  "5c3b68a71fc4fa5d362fd3875e53137c6a5ab7a5", \
	  "", \
	  "5c3b68a71fc4fa5d362fd3875e53137c6a5ab7a5" }

#define AUTOMERGEABLE_MERGED_FILE \
	"this file is changed in master\n" \
	"this file is automergeable\n" \
	"this file is automergeable\n" \
	"this file is automergeable\n" \
	"this file is automergeable\n" \
	"this file is automergeable\n" \
	"this file is automergeable\n" \
	"this file is automergeable\n" \
	"this file is changed in branch\n"

#define AUTOMERGEABLE_MERGED_FILE_CRLF \
	"this file is changed in master\r\n" \
	"this file is automergeable\r\n" \
	"this file is automergeable\r\n" \
	"this file is automergeable\r\n" \
	"this file is automergeable\r\n" \
	"this file is automergeable\r\n" \
	"this file is automergeable\r\n" \
	"this file is automergeable\r\n" \
	"this file is changed in branch\r\n"

// Fixture setup and teardown
void test_merge_trees_automerge__initialize(void)
{
	repo = cl_git_sandbox_init(TEST_REPO_PATH);
}

void test_merge_trees_automerge__cleanup(void)
{
	cl_git_sandbox_cleanup();
}

void test_merge_trees_automerge__automerge(void)
{
	git_index *index;
	const git_index_entry *entry;
	git_merge_tree_opts opts = GIT_MERGE_TREE_OPTS_INIT;
	git_blob *blob;

	struct merge_index_entry merge_index_entries[] = {
		ADDED_IN_MASTER_INDEX_ENTRY,
		AUTOMERGEABLE_INDEX_ENTRY,
		CHANGED_IN_BRANCH_INDEX_ENTRY,
		CHANGED_IN_MASTER_INDEX_ENTRY,

		{ 0100644, "d427e0b2e138501a3d15cc376077a3631e15bd46", 1, "conflicting.txt" },
		{ 0100644, "4e886e602529caa9ab11d71f86634bd1b6e0de10", 2, "conflicting.txt" },
		{ 0100644, "2bd0a343aeef7a2cf0d158478966a6e587ff3863", 3, "conflicting.txt" },

		UNCHANGED_INDEX_ENTRY,
	};

	struct merge_reuc_entry merge_reuc_entries[] = {
		AUTOMERGEABLE_REUC_ENTRY,
		REMOVED_IN_BRANCH_REUC_ENTRY,
		REMOVED_IN_MASTER_REUC_ENTRY
	};

	cl_git_pass(merge_trees_from_branches(&index, repo, "master", THEIRS_AUTOMERGE_BRANCH, &opts));

	cl_assert(merge_test_index(index, merge_index_entries, 8));
	cl_assert(merge_test_reuc(index, merge_reuc_entries, 3));

	cl_assert((entry = git_index_get_bypath(index, "automergeable.txt", 0)) != NULL);
	cl_assert(entry->file_size == strlen(AUTOMERGEABLE_MERGED_FILE));

	cl_git_pass(git_object_lookup((git_object **)&blob, repo, &entry->oid, GIT_OBJ_BLOB));
	cl_assert(memcmp(git_blob_rawcontent(blob), AUTOMERGEABLE_MERGED_FILE, entry->file_size) == 0);

	git_index_free(index);
	git_blob_free(blob);
}

void test_merge_trees_automerge__favor_ours(void)
{
	git_index *index;
	git_merge_tree_opts opts = GIT_MERGE_TREE_OPTS_INIT;

	struct merge_index_entry merge_index_entries[] = {
		ADDED_IN_MASTER_INDEX_ENTRY,
		AUTOMERGEABLE_INDEX_ENTRY,
		CHANGED_IN_BRANCH_INDEX_ENTRY,
		CHANGED_IN_MASTER_INDEX_ENTRY,
		{ 0100644, "4e886e602529caa9ab11d71f86634bd1b6e0de10", 0, "conflicting.txt" },
		UNCHANGED_INDEX_ENTRY,
	};

	struct merge_reuc_entry merge_reuc_entries[] = {
		AUTOMERGEABLE_REUC_ENTRY,
		CONFLICTING_REUC_ENTRY,
		REMOVED_IN_BRANCH_REUC_ENTRY,
		REMOVED_IN_MASTER_REUC_ENTRY,
	};

	opts.automerge_flags = GIT_MERGE_AUTOMERGE_FAVOR_OURS;

	cl_git_pass(merge_trees_from_branches(&index, repo, "master", THEIRS_AUTOMERGE_BRANCH, &opts));

	cl_assert(merge_test_index(index, merge_index_entries, 6));
	cl_assert(merge_test_reuc(index, merge_reuc_entries, 4));

	git_index_free(index);
}

void test_merge_trees_automerge__favor_theirs(void)
{
	git_index *index;
	git_merge_tree_opts opts = GIT_MERGE_TREE_OPTS_INIT;

	struct merge_index_entry merge_index_entries[] = {
		ADDED_IN_MASTER_INDEX_ENTRY,
		AUTOMERGEABLE_INDEX_ENTRY,
		CHANGED_IN_BRANCH_INDEX_ENTRY,
		CHANGED_IN_MASTER_INDEX_ENTRY,
		{ 0100644, "2bd0a343aeef7a2cf0d158478966a6e587ff3863", 0, "conflicting.txt" },
		UNCHANGED_INDEX_ENTRY,
	};

	struct merge_reuc_entry merge_reuc_entries[] = {
		AUTOMERGEABLE_REUC_ENTRY,
		CONFLICTING_REUC_ENTRY,
		REMOVED_IN_BRANCH_REUC_ENTRY,
		REMOVED_IN_MASTER_REUC_ENTRY,
	};

	opts.automerge_flags = GIT_MERGE_AUTOMERGE_FAVOR_THEIRS;

	cl_git_pass(merge_trees_from_branches(&index, repo, "master", THEIRS_AUTOMERGE_BRANCH, &opts));

	cl_assert(merge_test_index(index, merge_index_entries, 6));
	cl_assert(merge_test_reuc(index, merge_reuc_entries, 4));

	git_index_free(index);
}

void test_merge_trees_automerge__unrelated(void)
{
	git_index *index;
	git_merge_tree_opts opts = GIT_MERGE_TREE_OPTS_INIT;

	struct merge_index_entry merge_index_entries[] = {
		{ 0100644, "233c0919c998ed110a4b6ff36f353aec8b713487", 0, "added-in-master.txt" },
		{ 0100644, "ee3fa1b8c00aff7fe02065fdb50864bb0d932ccf", 2, "automergeable.txt" },
		{ 0100644, "d07ec190c306ec690bac349e87d01c4358e49bb2", 3, "automergeable.txt" },
		{ 0100644, "ab6c44a2e84492ad4b41bb6bac87353e9d02ac8b", 0, "changed-in-branch.txt" },
		{ 0100644, "11deab00b2d3a6f5a3073988ac050c2d7b6655e2", 0, "changed-in-master.txt" },
		{ 0100644, "4e886e602529caa9ab11d71f86634bd1b6e0de10", 2, "conflicting.txt" },
		{ 0100644, "4b253da36a0ae8bfce63aeabd8c5b58429925594", 3, "conflicting.txt" },
		{ 0100644, "ef58fdd8086c243bdc81f99e379acacfd21d32d6", 0, "new-in-unrelated1.txt" },
		{ 0100644, "948ba6e701c1edab0c2d394fb7c5538334129793", 0, "new-in-unrelated2.txt" },
		{ 0100644, "dfe3f22baa1f6fce5447901c3086bae368de6bdd", 0, "removed-in-branch.txt" },
		{ 0100644, "c8f06f2e3bb2964174677e91f0abead0e43c9e5d", 0, "unchanged.txt" },
	};

	cl_git_pass(merge_trees_from_branches(&index, repo, "master", THEIRS_UNRELATED_BRANCH, &opts));

	cl_assert(merge_test_index(index, merge_index_entries, 11));

	git_index_free(index);
}