thodg/libgit2/tests-clar/diff/blob.c
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Hash : 793c4385
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Date : 2012-11-20T16:36:06
Update diff callback param order This makes the diff functions that take callbacks both take the payload parameter after the callback function pointers and pass the payload as the last argument to the callback function instead of the first. This should make them consistent with other callbacks across the API.
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tests-clar/diff/blob.c
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#include "clar_libgit2.h" #include "diff_helpers.h" static git_repository *g_repo = NULL; static diff_expects expected; static git_diff_options opts; static git_blob *d, *alien; void test_diff_blob__initialize(void) { git_oid oid; g_repo = cl_git_sandbox_init("attr"); memset(&opts, 0, sizeof(opts)); opts.context_lines = 1; opts.interhunk_lines = 0; memset(&expected, 0, sizeof(expected)); /* tests/resources/attr/root_test4.txt */ cl_git_pass(git_oid_fromstrn(&oid, "a0f7217a", 8)); cl_git_pass(git_blob_lookup_prefix(&d, g_repo, &oid, 4)); /* alien.png */ cl_git_pass(git_oid_fromstrn(&oid, "edf3dcee", 8)); cl_git_pass(git_blob_lookup_prefix(&alien, g_repo, &oid, 4)); } void test_diff_blob__cleanup(void) { git_blob_free(d); d = NULL; git_blob_free(alien); alien = NULL; cl_git_sandbox_cleanup(); } void test_diff_blob__can_compare_text_blobs(void) { git_blob *a, *b, *c; git_oid a_oid, b_oid, c_oid; /* tests/resources/attr/root_test1 */ cl_git_pass(git_oid_fromstrn(&a_oid, "45141a79", 8)); cl_git_pass(git_blob_lookup_prefix(&a, g_repo, &a_oid, 4)); /* tests/resources/attr/root_test2 */ cl_git_pass(git_oid_fromstrn(&b_oid, "4d713dc4", 8)); cl_git_pass(git_blob_lookup_prefix(&b, g_repo, &b_oid, 4)); /* tests/resources/attr/root_test3 */ cl_git_pass(git_oid_fromstrn(&c_oid, "c96bbb2c2557a832", 16)); cl_git_pass(git_blob_lookup_prefix(&c, g_repo, &c_oid, 8)); /* Doing the equivalent of a `git diff -U1` on these files */ /* diff on tests/resources/attr/root_test1 */ cl_git_pass(git_diff_blobs( a, b, &opts, diff_file_cb, diff_hunk_cb, diff_line_cb, &expected)); cl_assert_equal_i(1, expected.files); cl_assert_equal_i(1, expected.file_status[GIT_DELTA_MODIFIED]); cl_assert_equal_i(0, expected.files_binary); cl_assert_equal_i(1, expected.hunks); cl_assert_equal_i(6, expected.lines); cl_assert_equal_i(1, expected.line_ctxt); cl_assert_equal_i(5, expected.line_adds); cl_assert_equal_i(0, expected.line_dels); /* diff on tests/resources/attr/root_test2 */ memset(&expected, 0, sizeof(expected)); cl_git_pass(git_diff_blobs( b, c, &opts, diff_file_cb, diff_hunk_cb, diff_line_cb, &expected)); cl_assert_equal_i(1, expected.files); cl_assert_equal_i(1, expected.file_status[GIT_DELTA_MODIFIED]); cl_assert_equal_i(0, expected.files_binary); cl_assert_equal_i(1, expected.hunks); cl_assert_equal_i(15, expected.lines); cl_assert_equal_i(3, expected.line_ctxt); cl_assert_equal_i(9, expected.line_adds); cl_assert_equal_i(3, expected.line_dels); /* diff on tests/resources/attr/root_test3 */ memset(&expected, 0, sizeof(expected)); cl_git_pass(git_diff_blobs( a, c, &opts, diff_file_cb, diff_hunk_cb, diff_line_cb, &expected)); cl_assert_equal_i(1, expected.files); cl_assert_equal_i(1, expected.file_status[GIT_DELTA_MODIFIED]); cl_assert_equal_i(0, expected.files_binary); cl_assert_equal_i(1, expected.hunks); cl_assert_equal_i(13, expected.lines); cl_assert_equal_i(0, expected.line_ctxt); cl_assert_equal_i(12, expected.line_adds); cl_assert_equal_i(1, expected.line_dels); memset(&expected, 0, sizeof(expected)); cl_git_pass(git_diff_blobs( c, d, &opts, diff_file_cb, diff_hunk_cb, diff_line_cb, &expected)); cl_assert_equal_i(1, expected.files); cl_assert_equal_i(1, expected.file_status[GIT_DELTA_MODIFIED]); cl_assert_equal_i(0, expected.files_binary); cl_assert_equal_i(2, expected.hunks); cl_assert_equal_i(14, expected.lines); cl_assert_equal_i(4, expected.line_ctxt); cl_assert_equal_i(6, expected.line_adds); cl_assert_equal_i(4, expected.line_dels); git_blob_free(a); git_blob_free(b); git_blob_free(c); } void test_diff_blob__can_compare_against_null_blobs(void) { git_blob *e = NULL; cl_git_pass(git_diff_blobs( d, e, &opts, diff_file_cb, diff_hunk_cb, diff_line_cb, &expected)); cl_assert_equal_i(1, expected.files); cl_assert_equal_i(1, expected.file_status[GIT_DELTA_DELETED]); cl_assert_equal_i(0, expected.files_binary); cl_assert_equal_i(1, expected.hunks); cl_assert_equal_i(14, expected.hunk_old_lines); cl_assert_equal_i(14, expected.lines); cl_assert_equal_i(14, expected.line_dels); opts.flags |= GIT_DIFF_REVERSE; memset(&expected, 0, sizeof(expected)); cl_git_pass(git_diff_blobs( d, e, &opts, diff_file_cb, diff_hunk_cb, diff_line_cb, &expected)); cl_assert_equal_i(1, expected.files); cl_assert_equal_i(1, expected.file_status[GIT_DELTA_ADDED]); cl_assert_equal_i(0, expected.files_binary); cl_assert_equal_i(1, expected.hunks); cl_assert_equal_i(14, expected.hunk_new_lines); cl_assert_equal_i(14, expected.lines); cl_assert_equal_i(14, expected.line_adds); opts.flags ^= GIT_DIFF_REVERSE; memset(&expected, 0, sizeof(expected)); cl_git_pass(git_diff_blobs( alien, NULL, &opts, diff_file_cb, diff_hunk_cb, diff_line_cb, &expected)); cl_assert_equal_i(1, expected.files); cl_assert_equal_i(1, expected.files_binary); cl_assert_equal_i(1, expected.file_status[GIT_DELTA_DELETED]); cl_assert_equal_i(0, expected.hunks); cl_assert_equal_i(0, expected.lines); memset(&expected, 0, sizeof(expected)); cl_git_pass(git_diff_blobs( NULL, alien, &opts, diff_file_cb, diff_hunk_cb, diff_line_cb, &expected)); cl_assert_equal_i(1, expected.files); cl_assert_equal_i(1, expected.files_binary); cl_assert_equal_i(1, expected.file_status[GIT_DELTA_ADDED]); cl_assert_equal_i(0, expected.hunks); cl_assert_equal_i(0, expected.lines); } static void assert_identical_blobs_comparison(diff_expects *expected) { cl_assert_equal_i(1, expected->files); cl_assert_equal_i(1, expected->file_status[GIT_DELTA_UNMODIFIED]); cl_assert_equal_i(0, expected->hunks); cl_assert_equal_i(0, expected->lines); } void test_diff_blob__can_compare_identical_blobs(void) { cl_git_pass(git_diff_blobs( d, d, &opts, diff_file_cb, diff_hunk_cb, diff_line_cb, &expected)); cl_assert_equal_i(0, expected.files_binary); assert_identical_blobs_comparison(&expected); memset(&expected, 0, sizeof(expected)); cl_git_pass(git_diff_blobs( NULL, NULL, &opts, diff_file_cb, diff_hunk_cb, diff_line_cb, &expected)); cl_assert_equal_i(0, expected.files_binary); assert_identical_blobs_comparison(&expected); memset(&expected, 0, sizeof(expected)); cl_git_pass(git_diff_blobs( alien, alien, &opts, diff_file_cb, diff_hunk_cb, diff_line_cb, &expected)); cl_assert(expected.files_binary > 0); assert_identical_blobs_comparison(&expected); } static void assert_binary_blobs_comparison(diff_expects *expected) { cl_assert(expected->files_binary > 0); cl_assert_equal_i(1, expected->files); cl_assert_equal_i(1, expected->file_status[GIT_DELTA_MODIFIED]); cl_assert_equal_i(0, expected->hunks); cl_assert_equal_i(0, expected->lines); } void test_diff_blob__can_compare_two_binary_blobs(void) { git_blob *heart; git_oid h_oid; /* heart.png */ cl_git_pass(git_oid_fromstrn(&h_oid, "de863bff", 8)); cl_git_pass(git_blob_lookup_prefix(&heart, g_repo, &h_oid, 4)); cl_git_pass(git_diff_blobs( alien, heart, &opts, diff_file_cb, diff_hunk_cb, diff_line_cb, &expected)); assert_binary_blobs_comparison(&expected); memset(&expected, 0, sizeof(expected)); cl_git_pass(git_diff_blobs( heart, alien, &opts, diff_file_cb, diff_hunk_cb, diff_line_cb, &expected)); assert_binary_blobs_comparison(&expected); git_blob_free(heart); } void test_diff_blob__can_compare_a_binary_blob_and_a_text_blob(void) { cl_git_pass(git_diff_blobs( alien, d, &opts, diff_file_cb, diff_hunk_cb, diff_line_cb, &expected)); assert_binary_blobs_comparison(&expected); memset(&expected, 0, sizeof(expected)); cl_git_pass(git_diff_blobs( d, alien, &opts, diff_file_cb, diff_hunk_cb, diff_line_cb, &expected)); assert_binary_blobs_comparison(&expected); } /* * $ git diff fe773770 a0f7217 * diff --git a/fe773770 b/a0f7217 * index fe77377..a0f7217 100644 * --- a/fe773770 * +++ b/a0f7217 * @@ -1,6 +1,6 @@ * Here is some stuff at the start * * -This should go in one hunk * +This should go in one hunk (first) * * Some additional lines * * @@ -8,7 +8,7 @@ Down here below the other lines * * With even more at the end * * -Followed by a second hunk of stuff * +Followed by a second hunk of stuff (second) * * That happens down here */ void test_diff_blob__comparing_two_text_blobs_honors_interhunkcontext(void) { git_blob *old_d; git_oid old_d_oid; opts.context_lines = 3; /* tests/resources/attr/root_test1 from commit f5b0af1 */ cl_git_pass(git_oid_fromstrn(&old_d_oid, "fe773770", 8)); cl_git_pass(git_blob_lookup_prefix(&old_d, g_repo, &old_d_oid, 4)); /* Test with default inter-hunk-context (not set) => default is 0 */ cl_git_pass(git_diff_blobs( old_d, d, &opts, diff_file_cb, diff_hunk_cb, diff_line_cb, &expected)); cl_assert_equal_i(2, expected.hunks); /* Test with inter-hunk-context explicitly set to 0 */ opts.interhunk_lines = 0; memset(&expected, 0, sizeof(expected)); cl_git_pass(git_diff_blobs( old_d, d, &opts, diff_file_cb, diff_hunk_cb, diff_line_cb, &expected)); cl_assert_equal_i(2, expected.hunks); /* Test with inter-hunk-context explicitly set to 1 */ opts.interhunk_lines = 1; memset(&expected, 0, sizeof(expected)); cl_git_pass(git_diff_blobs( old_d, d, &opts, diff_file_cb, diff_hunk_cb, diff_line_cb, &expected)); cl_assert_equal_i(1, expected.hunks); git_blob_free(old_d); }