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https://git.proxmox.com/git/libgit2
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e774d5af76
Test that we can create a diff file, then parse the results and that the two are identical in-memory.
129 lines
3.7 KiB
C
129 lines
3.7 KiB
C
#include "clar_libgit2.h"
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#include "patch.h"
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#include "patch_parse.h"
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#include "diff_helpers.h"
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#include "../patch/patch_common.h"
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void test_diff_parse__cleanup(void)
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{
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cl_git_sandbox_cleanup();
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}
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void test_diff_parse__nonpatches_fail_with_notfound(void)
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{
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git_diff *diff;
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const char *not = PATCH_NOT_A_PATCH;
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const char *not_with_leading = "Leading text.\n" PATCH_NOT_A_PATCH;
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const char *not_with_trailing = PATCH_NOT_A_PATCH "Trailing text.\n";
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const char *not_with_both = "Lead.\n" PATCH_NOT_A_PATCH "Trail.\n";
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cl_git_fail_with(GIT_ENOTFOUND,
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git_diff_from_buffer(&diff,
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not,
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strlen(not)));
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cl_git_fail_with(GIT_ENOTFOUND,
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git_diff_from_buffer(&diff,
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not_with_leading,
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strlen(not_with_leading)));
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cl_git_fail_with(GIT_ENOTFOUND,
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git_diff_from_buffer(&diff,
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not_with_trailing,
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strlen(not_with_trailing)));
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cl_git_fail_with(GIT_ENOTFOUND,
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git_diff_from_buffer(&diff,
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not_with_both,
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strlen(not_with_both)));
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}
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static void test_parse_invalid_diff(const char *invalid_diff)
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{
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git_diff *diff;
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git_buf buf = GIT_BUF_INIT;
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/* throw some random (legitimate) diffs in with the given invalid
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* one.
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*/
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git_buf_puts(&buf, PATCH_ORIGINAL_TO_CHANGE_FIRSTLINE);
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git_buf_puts(&buf, PATCH_BINARY_DELTA);
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git_buf_puts(&buf, invalid_diff);
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git_buf_puts(&buf, PATCH_ORIGINAL_TO_CHANGE_MIDDLE);
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git_buf_puts(&buf, PATCH_BINARY_LITERAL);
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cl_git_fail_with(GIT_ERROR,
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git_diff_from_buffer(&diff, buf.ptr, buf.size));
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git_buf_free(&buf);
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}
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void test_diff_parse__invalid_patches_fails(void)
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{
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test_parse_invalid_diff(PATCH_CORRUPT_MISSING_NEW_FILE);
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test_parse_invalid_diff(PATCH_CORRUPT_MISSING_OLD_FILE);
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test_parse_invalid_diff(PATCH_CORRUPT_NO_CHANGES);
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test_parse_invalid_diff(PATCH_CORRUPT_MISSING_HUNK_HEADER);
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}
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static void test_tree_to_tree_computed_to_parsed(
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const char *sandbox, const char *a_id, const char *b_id)
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{
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git_repository *repo;
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git_diff *computed, *parsed;
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git_tree *a, *b;
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git_diff_options opts = GIT_DIFF_OPTIONS_INIT;
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git_diff_find_options findopts = GIT_DIFF_FIND_OPTIONS_INIT;
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git_buf computed_buf = GIT_BUF_INIT;
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repo = cl_git_sandbox_init(sandbox);
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opts.id_abbrev = GIT_OID_HEXSZ;
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opts.flags = GIT_DIFF_SHOW_BINARY;
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cl_assert((a = resolve_commit_oid_to_tree(repo, a_id)) != NULL);
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cl_assert((b = resolve_commit_oid_to_tree(repo, b_id)) != NULL);
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cl_git_pass(git_diff_tree_to_tree(&computed, repo, a, b, &opts));
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cl_git_pass(git_diff_to_buf(&computed_buf,
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computed, GIT_DIFF_FORMAT_PATCH));
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cl_git_pass(git_diff_from_buffer(&parsed,
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computed_buf.ptr, computed_buf.size));
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diff_assert_equal(computed, parsed);
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git_tree_free(a);
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git_tree_free(b);
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git_diff_free(computed);
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git_diff_free(parsed);
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git_buf_free(&computed_buf);
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cl_git_sandbox_cleanup();
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}
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void test_diff_parse__can_parse_generated_diff(void)
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{
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test_tree_to_tree_computed_to_parsed("diff", "d70d245e", "7a9e0b02");
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test_tree_to_tree_computed_to_parsed(
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"unsymlinked.git", "806999", "a8595c");
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test_tree_to_tree_computed_to_parsed("diff",
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"d70d245ed97ed2aa596dd1af6536e4bfdb047b69",
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"7a9e0b02e63179929fed24f0a3e0f19168114d10");
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test_tree_to_tree_computed_to_parsed(
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"unsymlinked.git", "7fccd7", "806999");
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test_tree_to_tree_computed_to_parsed(
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"unsymlinked.git", "7fccd7", "a8595c");
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test_tree_to_tree_computed_to_parsed("attr", "605812a", "370fe9ec22");
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test_tree_to_tree_computed_to_parsed(
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"attr", "f5b0af1fb4f5c", "370fe9ec22");
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test_tree_to_tree_computed_to_parsed("diff", "d70d245e", "d70d245e");
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test_tree_to_tree_computed_to_parsed("diff_format_email",
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"873806f6f27e631eb0b23e4b56bea2bfac14a373",
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"897d3af16ca9e420cd071b1c4541bd2b91d04c8c");
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test_tree_to_tree_computed_to_parsed("diff_format_email",
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"897d3af16ca9e420cd071b1c4541bd2b91d04c8c",
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"873806f6f27e631eb0b23e4b56bea2bfac14a373");
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}
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