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

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• Hash : 54faddd2
  Author :
  Date : 2013-06-12T11:54:11
  

  Fix some diff driver memory leaks

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• tests-clar/diff/drivers.c

• #include "clar_libgit2.h"
  #include "diff_helpers.h"
  #include "repository.h"
  #include "diff_driver.h"
  
  static git_repository *g_repo = NULL;
  
  void test_diff_drivers__initialize(void)
  {
  }
  
  void test_diff_drivers__cleanup(void)
  {
  	cl_git_sandbox_cleanup();
  	g_repo = NULL;
  }
  
  void test_diff_drivers__patterns(void)
  {
  	git_config *cfg;
  	const char *one_sha = "19dd32dfb1520a64e5bbaae8dce6ef423dfa2f13";
  	git_tree *one;
  	git_diff_list *diff;
  	git_diff_patch *patch;
  	char *text;
  	const char *expected0 = "diff --git a/untimely.txt b/untimely.txt\nindex 9a69d96..57fd0cf 100644\n--- a/untimely.txt\n+++ b/untimely.txt\n@@ -22,3 +22,5 @@ Comes through the blood of the vanguards who\n   dreamed--too soon--it had sounded.\r\n \r\n                 -- Rudyard Kipling\r\n+\r\n+Some new stuff\r\n";
  	const char *expected1 = "diff --git a/untimely.txt b/untimely.txt\nindex 9a69d96..57fd0cf 100644\nBinary files a/untimely.txt and b/untimely.txt differ\n";
  	const char *expected2 = "diff --git a/untimely.txt b/untimely.txt\nindex 9a69d96..57fd0cf 100644\n--- a/untimely.txt\n+++ b/untimely.txt\n@@ -22,3 +22,5 @@ Heaven delivers on earth the Hour that cannot be\n   dreamed--too soon--it had sounded.\r\n \r\n                 -- Rudyard Kipling\r\n+\r\n+Some new stuff\r\n";
  
  	g_repo = cl_git_sandbox_init("renames");
  
  	one = resolve_commit_oid_to_tree(g_repo, one_sha);
  
  	/* no diff */
  
  	cl_git_pass(git_diff_tree_to_workdir(&diff, g_repo, one, NULL));
  	cl_assert_equal_i(0, (int)git_diff_num_deltas(diff));
  	git_diff_list_free(diff);
  
  	/* default diff */
  
  	cl_git_append2file("renames/untimely.txt", "\r\nSome new stuff\r\n");
  
  	cl_git_pass(git_diff_tree_to_workdir(&diff, g_repo, one, NULL));
  	cl_assert_equal_i(1, (int)git_diff_num_deltas(diff));
  
  	cl_git_pass(git_diff_get_patch(&patch, NULL, diff, 0));
  	cl_git_pass(git_diff_patch_to_str(&text, patch));
  	cl_assert_equal_s(expected0, text);
  
  	git__free(text);
  	git_diff_patch_free(patch);
  	git_diff_list_free(diff);
  
  	/* attribute diff set to false */
  
  	cl_git_rewritefile("renames/.gitattributes", "untimely.txt -diff\n");
  
  	cl_git_pass(git_diff_tree_to_workdir(&diff, g_repo, one, NULL));
  	cl_assert_equal_i(1, (int)git_diff_num_deltas(diff));
  
  	cl_git_pass(git_diff_get_patch(&patch, NULL, diff, 0));
  	cl_git_pass(git_diff_patch_to_str(&text, patch));
  	cl_assert_equal_s(expected1, text);
  
  	git__free(text);
  	git_diff_patch_free(patch);
  	git_diff_list_free(diff);
  
  	/* attribute diff set to unconfigured value (should use default) */
  
  	cl_git_rewritefile("renames/.gitattributes", "untimely.txt diff=kipling0\n");
  
  	cl_git_pass(git_diff_tree_to_workdir(&diff, g_repo, one, NULL));
  	cl_assert_equal_i(1, (int)git_diff_num_deltas(diff));
  
  	cl_git_pass(git_diff_get_patch(&patch, NULL, diff, 0));
  	cl_git_pass(git_diff_patch_to_str(&text, patch));
  	cl_assert_equal_s(expected0, text);
  
  	git__free(text);
  	git_diff_patch_free(patch);
  	git_diff_list_free(diff);
  
  	/* let's define that driver */
  
  	cl_git_pass(git_repository_config(&cfg, g_repo));
  	cl_git_pass(git_config_set_bool(cfg, "diff.kipling0.binary", 1));
  	git_config_free(cfg);
  
  	cl_git_pass(git_diff_tree_to_workdir(&diff, g_repo, one, NULL));
  	cl_assert_equal_i(1, (int)git_diff_num_deltas(diff));
  
  	cl_git_pass(git_diff_get_patch(&patch, NULL, diff, 0));
  	cl_git_pass(git_diff_patch_to_str(&text, patch));
  	cl_assert_equal_s(expected1, text);
  
  	git__free(text);
  	git_diff_patch_free(patch);
  	git_diff_list_free(diff);
  
  	/* let's use a real driver with some regular expressions */
  
  	git_diff_driver_registry_free(g_repo->diff_drivers);
  	g_repo->diff_drivers = NULL;
  
  	cl_git_pass(git_repository_config(&cfg, g_repo));
  	cl_git_pass(git_config_set_bool(cfg, "diff.kipling0.binary", 0));
  	cl_git_pass(git_config_set_string(cfg, "diff.kipling0.xfuncname", "^H"));
  	git_config_free(cfg);
  
  	cl_git_pass(git_diff_tree_to_workdir(&diff, g_repo, one, NULL));
  	cl_assert_equal_i(1, (int)git_diff_num_deltas(diff));
  
  	cl_git_pass(git_diff_get_patch(&patch, NULL, diff, 0));
  	cl_git_pass(git_diff_patch_to_str(&text, patch));
  	cl_assert_equal_s(expected2, text);
  
  	git__free(text);
  	git_diff_patch_free(patch);
  	git_diff_list_free(diff);
  
  	git_tree_free(one);
  }
  
  

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