diff options
Diffstat (limited to 'tests/object/blob/fromchunks.c')
| -rw-r--r-- | tests/object/blob/fromchunks.c | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/tests/object/blob/fromchunks.c b/tests/object/blob/fromchunks.c new file mode 100644 index 000000000..b61cabfe1 --- /dev/null +++ b/tests/object/blob/fromchunks.c @@ -0,0 +1,156 @@ +#include "clar_libgit2.h" +#include "buffer.h" +#include "posix.h" +#include "path.h" +#include "fileops.h" + +static git_repository *repo; +static char textual_content[] = "libgit2\n\r\n\0"; + +void test_object_blob_fromchunks__initialize(void) +{ + repo = cl_git_sandbox_init("testrepo.git"); +} + +void test_object_blob_fromchunks__cleanup(void) +{ + cl_git_sandbox_cleanup(); +} + +static int text_chunked_source_cb(char *content, size_t max_length, void *payload) +{ + int *count; + + GIT_UNUSED(max_length); + + count = (int *)payload; + (*count)--; + + if (*count == 0) + return 0; + + strcpy(content, textual_content); + return (int)strlen(textual_content); +} + +void test_object_blob_fromchunks__can_create_a_blob_from_a_in_memory_chunk_provider(void) +{ + git_oid expected_oid, oid; + git_object *blob; + int howmany = 7; + + cl_git_pass(git_oid_fromstr(&expected_oid, "321cbdf08803c744082332332838df6bd160f8f9")); + + cl_git_fail_with( + git_object_lookup(&blob, repo, &expected_oid, GIT_OBJ_ANY), + GIT_ENOTFOUND); + + cl_git_pass(git_blob_create_fromchunks(&oid, repo, NULL, text_chunked_source_cb, &howmany)); + + cl_git_pass(git_object_lookup(&blob, repo, &expected_oid, GIT_OBJ_ANY)); + cl_assert(git_oid_cmp(&expected_oid, git_object_id(blob)) == 0); + + git_object_free(blob); +} + +void test_object_blob_fromchunks__doesnot_overwrite_an_already_existing_object(void) +{ + git_buf path = GIT_BUF_INIT; + git_buf content = GIT_BUF_INIT; + git_oid expected_oid, oid; + int howmany = 7; + + cl_git_pass(git_oid_fromstr(&expected_oid, "321cbdf08803c744082332332838df6bd160f8f9")); + + cl_git_pass(git_blob_create_fromchunks(&oid, repo, NULL, text_chunked_source_cb, &howmany)); + + /* Let's replace the content of the blob file storage with something else... */ + cl_git_pass(git_buf_joinpath(&path, git_repository_path(repo), "objects/32/1cbdf08803c744082332332838df6bd160f8f9")); + cl_git_pass(p_unlink(git_buf_cstr(&path))); + cl_git_mkfile(git_buf_cstr(&path), "boom"); + + /* ...request a creation of the same blob... */ + howmany = 7; + cl_git_pass(git_blob_create_fromchunks(&oid, repo, NULL, text_chunked_source_cb, &howmany)); + + /* ...and ensure the content of the faked blob file hasn't been altered */ + cl_git_pass(git_futils_readbuffer(&content, git_buf_cstr(&path))); + cl_assert(!git__strcmp("boom", git_buf_cstr(&content))); + + git_buf_free(&path); + git_buf_free(&content); +} + +#define GITATTR "* text=auto\n" \ + "*.txt text\n" \ + "*.data binary\n" + +static void write_attributes(git_repository *repo) +{ + git_buf buf = GIT_BUF_INIT; + + cl_git_pass(git_buf_joinpath(&buf, git_repository_path(repo), "info")); + cl_git_pass(git_buf_joinpath(&buf, git_buf_cstr(&buf), "attributes")); + + cl_git_pass(git_futils_mkpath2file(git_buf_cstr(&buf), 0777)); + cl_git_rewritefile(git_buf_cstr(&buf), GITATTR); + + git_buf_free(&buf); +} + +static void assert_named_chunked_blob(const char *expected_sha, const char *fake_name) +{ + git_oid expected_oid, oid; + int howmany = 7; + + cl_git_pass(git_oid_fromstr(&expected_oid, expected_sha)); + + cl_git_pass(git_blob_create_fromchunks(&oid, repo, fake_name, text_chunked_source_cb, &howmany)); + cl_assert(git_oid_cmp(&expected_oid, &oid) == 0); +} + +void test_object_blob_fromchunks__creating_a_blob_from_chunks_honors_the_attributes_directives(void) +{ + write_attributes(repo); + + assert_named_chunked_blob("321cbdf08803c744082332332838df6bd160f8f9", "dummy.data"); + assert_named_chunked_blob("e9671e138a780833cb689753570fd10a55be84fb", "dummy.txt"); + assert_named_chunked_blob("e9671e138a780833cb689753570fd10a55be84fb", "dummy.dunno"); +} + +static int failing_chunked_source_cb( + char *content, size_t max_length, void *payload) +{ + int *count = (int *)payload; + + GIT_UNUSED(max_length); + + (*count)--; + if (*count == 0) + return -1234; + + strcpy(content, textual_content); + return (int)strlen(textual_content); +} + +void test_object_blob_fromchunks__can_stop_with_error(void) +{ + git_oid expected_oid, oid; + git_object *blob; + int howmany = 7; + + cl_git_pass(git_oid_fromstr( + &expected_oid, "321cbdf08803c744082332332838df6bd160f8f9")); + + cl_git_fail_with( + git_object_lookup(&blob, repo, &expected_oid, GIT_OBJ_ANY), + GIT_ENOTFOUND); + + cl_git_fail_with(git_blob_create_fromchunks( + &oid, repo, NULL, failing_chunked_source_cb, &howmany), -1234); + + cl_git_fail_with( + git_object_lookup(&blob, repo, &expected_oid, GIT_OBJ_ANY), + GIT_ENOTFOUND); +} + |