thodg/libgit2/tests-clar/diff/rename.c

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• Hash : 793c4385
  Author :
  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/rename.c

• #include "clar_libgit2.h"
  #include "diff_helpers.h"
  
  static git_repository *g_repo = NULL;
  
  void test_diff_rename__initialize(void)
  {
  	g_repo = cl_git_sandbox_init("renames");
  }
  
  void test_diff_rename__cleanup(void)
  {
  	cl_git_sandbox_cleanup();
  }
  
  /*
   * Renames repo has:
   *
   * commit 31e47d8c1fa36d7f8d537b96158e3f024de0a9f2 -
   *   serving.txt     (25 lines)
   *   sevencities.txt (50 lines)
   * commit 2bc7f351d20b53f1c72c16c4b036e491c478c49a -
   *   serving.txt     -> sixserving.txt  (rename, no change, 100% match)
   *   sevencities.txt -> sevencities.txt (no change)
   *   sevencities.txt -> songofseven.txt (copy, no change, 100% match)
   *
   * TODO: add commits with various % changes of copy / rename
   */
  
  void test_diff_rename__match_oid(void)
  {
  	const char *old_sha = "31e47d8c1fa36d7f8d537b96158e3f024de0a9f2";
  	const char *new_sha = "2bc7f351d20b53f1c72c16c4b036e491c478c49a";
  	git_tree *old_tree, *new_tree;
  	git_diff_list *diff;
  	git_diff_options diffopts = {0};
  	git_diff_find_options opts;
  	diff_expects exp;
  
  	old_tree = resolve_commit_oid_to_tree(g_repo, old_sha);
  	new_tree = resolve_commit_oid_to_tree(g_repo, new_sha);
  
  	/* Must pass GIT_DIFF_INCLUDE_UNMODIFIED if you expect to emulate
  	 * --find-copies-harder during rename transformion...
  	 */
  	memset(&diffopts, 0, sizeof(diffopts));
  	diffopts.flags |= GIT_DIFF_INCLUDE_UNMODIFIED;
  
  	cl_git_pass(git_diff_tree_to_tree(
  		&diff, g_repo, old_tree, new_tree, &diffopts));
  
  	/* git diff --no-renames \
  	 *          31e47d8c1fa36d7f8d537b96158e3f024de0a9f2 \
  	 *          2bc7f351d20b53f1c72c16c4b036e491c478c49a
  	 */
  	memset(&exp, 0, sizeof(exp));
  	cl_git_pass(git_diff_foreach(
  		diff, diff_file_cb, diff_hunk_cb, diff_line_cb, &exp));
  
  	cl_assert_equal_i(4, exp.files);
  	cl_assert_equal_i(1, exp.file_status[GIT_DELTA_UNMODIFIED]);
  	cl_assert_equal_i(2, exp.file_status[GIT_DELTA_ADDED]);
  	cl_assert_equal_i(1, exp.file_status[GIT_DELTA_DELETED]);
  
  	/* git diff 31e47d8c1fa36d7f8d537b96158e3f024de0a9f2 \
  	 *          2bc7f351d20b53f1c72c16c4b036e491c478c49a
  	 */
  	cl_git_pass(git_diff_find_similar(diff, NULL));
  
  	memset(&exp, 0, sizeof(exp));
  	cl_git_pass(git_diff_foreach(
  		diff, diff_file_cb, diff_hunk_cb, diff_line_cb, &exp));
  
  	cl_assert_equal_i(3, exp.files);
  	cl_assert_equal_i(1, exp.file_status[GIT_DELTA_UNMODIFIED]);
  	cl_assert_equal_i(1, exp.file_status[GIT_DELTA_ADDED]);
  	cl_assert_equal_i(1, exp.file_status[GIT_DELTA_RENAMED]);
  
  	git_diff_list_free(diff);
  
  	cl_git_pass(git_diff_tree_to_tree(
  		&diff, g_repo, old_tree, new_tree, &diffopts));
  
  	/* git diff --find-copies-harder \
  	 *          31e47d8c1fa36d7f8d537b96158e3f024de0a9f2 \
  	 *          2bc7f351d20b53f1c72c16c4b036e491c478c49a
  	 */
  	memset(&opts, 0, sizeof(opts));
  	opts.flags = GIT_DIFF_FIND_COPIES_FROM_UNMODIFIED;
  	cl_git_pass(git_diff_find_similar(diff, &opts));
  
  	memset(&exp, 0, sizeof(exp));
  	cl_git_pass(git_diff_foreach(
  		diff, diff_file_cb, diff_hunk_cb, diff_line_cb, &exp));
  
  	cl_assert_equal_i(3, exp.files);
  	cl_assert_equal_i(1, exp.file_status[GIT_DELTA_UNMODIFIED]);
  	cl_assert_equal_i(1, exp.file_status[GIT_DELTA_COPIED]);
  	cl_assert_equal_i(1, exp.file_status[GIT_DELTA_RENAMED]);
  
  	git_diff_list_free(diff);
  
  	git_tree_free(old_tree);
  	git_tree_free(new_tree);
  }
  

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