summaryrefslogtreecommitdiff
path: root/tests-clar/refs/reflog.c
blob: 05f3786bb807cb09048b9dcf181a6b80ca2ef28f (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
#include "clar_libgit2.h"

#include "repository.h"
#include "git2/reflog.h"
#include "reflog.h"


static const char *new_ref = "refs/heads/test-reflog";
static const char *current_master_tip = "a65fedf39aefe402d3bb6e24df4d4f5fe4547750";
static const char *commit_msg = "commit: bla bla";

static git_repository *g_repo;


// helpers
static void assert_signature(git_signature *expected, git_signature *actual)
{
	cl_assert(actual);
	cl_assert_equal_s(expected->name, actual->name);
	cl_assert_equal_s(expected->email, actual->email);
	cl_assert(expected->when.offset == actual->when.offset);
	cl_assert(expected->when.time == actual->when.time);
}


// Fixture setup and teardown
void test_refs_reflog__initialize(void)
{
   g_repo = cl_git_sandbox_init("testrepo.git");
}

void test_refs_reflog__cleanup(void)
{
   cl_git_sandbox_cleanup();
}



void test_refs_reflog__write_then_read(void)
{
   // write a reflog for a given reference and ensure it can be read back
   git_repository *repo2;
	git_reference *ref, *lookedup_ref;
	git_oid oid;
	git_signature *committer;
	git_reflog *reflog;
	git_reflog_entry *entry;
	char oid_str[GIT_OID_HEXSZ+1];

	/* Create a new branch pointing at the HEAD */
	git_oid_fromstr(&oid, current_master_tip);
	cl_git_pass(git_reference_create_oid(&ref, g_repo, new_ref, &oid, 0));
	git_reference_free(ref);
	cl_git_pass(git_reference_lookup(&ref, g_repo, new_ref));

	cl_git_pass(git_signature_now(&committer, "foo", "foo@bar"));

	cl_git_pass(git_reflog_write(ref, NULL, committer, NULL));
	cl_git_fail(git_reflog_write(ref, NULL, committer, "no ancestor NULL for an existing reflog"));
	cl_git_fail(git_reflog_write(ref, NULL, committer, "no\nnewline"));
	cl_git_pass(git_reflog_write(ref, &oid, committer, commit_msg));

	/* Reopen a new instance of the repository */
	cl_git_pass(git_repository_open(&repo2, "testrepo.git"));

	/* Lookup the preivously created branch */
	cl_git_pass(git_reference_lookup(&lookedup_ref, repo2, new_ref));

	/* Read and parse the reflog for this branch */
	cl_git_pass(git_reflog_read(&reflog, lookedup_ref));
	cl_assert(reflog->entries.length == 2);

	entry = (git_reflog_entry *)git_vector_get(&reflog->entries, 0);
	assert_signature(committer, entry->committer);
	git_oid_tostr(oid_str, GIT_OID_HEXSZ+1, &entry->oid_old);
	cl_assert_equal_s("0000000000000000000000000000000000000000", oid_str);
	git_oid_tostr(oid_str, GIT_OID_HEXSZ+1, &entry->oid_cur);
	cl_assert_equal_s(current_master_tip, oid_str);
	cl_assert(entry->msg == NULL);

	entry = (git_reflog_entry *)git_vector_get(&reflog->entries, 1);
	assert_signature(committer, entry->committer);
	git_oid_tostr(oid_str, GIT_OID_HEXSZ+1, &entry->oid_old);
	cl_assert_equal_s(current_master_tip, oid_str);
	git_oid_tostr(oid_str, GIT_OID_HEXSZ+1, &entry->oid_cur);
	cl_assert_equal_s(current_master_tip, oid_str);
	cl_assert_equal_s(commit_msg, entry->msg);

	git_signature_free(committer);
	git_reflog_free(reflog);
	git_repository_free(repo2);

	git_reference_free(ref);
	git_reference_free(lookedup_ref);
}

void test_refs_reflog__dont_write_bad(void)
{
   // avoid writing an obviously wrong reflog
	git_reference *ref;
	git_oid oid;
	git_signature *committer;

	/* Create a new branch pointing at the HEAD */
	git_oid_fromstr(&oid, current_master_tip);
	cl_git_pass(git_reference_create_oid(&ref, g_repo, new_ref, &oid, 0));
	git_reference_free(ref);
	cl_git_pass(git_reference_lookup(&ref, g_repo, new_ref));

	cl_git_pass(git_signature_now(&committer, "foo", "foo@bar"));

	/* Write the reflog for the new branch */
	cl_git_pass(git_reflog_write(ref, NULL, committer, NULL));

	/* Try to update the reflog with wrong information:
	 * It's no new reference, so the ancestor OID cannot
	 * be NULL. */
	cl_git_fail(git_reflog_write(ref, NULL, committer, NULL));

	git_signature_free(committer);

	git_reference_free(ref);
}

void test_refs_reflog__renaming_the_reference_moves_the_reflog(void)
{
	git_reference *master;
	git_buf master_log_path = GIT_BUF_INIT, moved_log_path = GIT_BUF_INIT;

	git_buf_joinpath(&master_log_path, git_repository_path(g_repo), GIT_REFLOG_DIR);
	git_buf_puts(&moved_log_path, git_buf_cstr(&master_log_path));
	git_buf_joinpath(&master_log_path, git_buf_cstr(&master_log_path), "refs/heads/master");
	git_buf_joinpath(&moved_log_path, git_buf_cstr(&moved_log_path), "refs/moved");

	cl_assert_equal_i(true, git_path_isfile(git_buf_cstr(&master_log_path)));
	cl_assert_equal_i(false, git_path_isfile(git_buf_cstr(&moved_log_path)));

	cl_git_pass(git_reference_lookup(&master, g_repo, "refs/heads/master"));
	cl_git_pass(git_reference_rename(master, "refs/moved", 0));

	cl_assert_equal_i(false, git_path_isfile(git_buf_cstr(&master_log_path)));
	cl_assert_equal_i(true, git_path_isfile(git_buf_cstr(&moved_log_path)));

	git_reference_free(master);
	git_buf_free(&moved_log_path);
	git_buf_free(&master_log_path);
}
static void assert_has_reflog(bool expected_result, const char *name)
{
	git_reference *ref;

	cl_git_pass(git_reference_lookup(&ref, g_repo, name));

	cl_assert_equal_i(expected_result, git_reference_has_log(ref));

	git_reference_free(ref);
}

void test_refs_reflog__reference_has_reflog(void)
{
	assert_has_reflog(true, "HEAD");
	assert_has_reflog(true, "refs/heads/master");
	assert_has_reflog(false, "refs/heads/subtrees");
}