thodg/libgit2/tests/config/snapshot.c

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• Hash : 835211dc
  Author :
  Date : 2019-08-01T13:23:16
  

  tests: config: assert behaviour around includes Add a few tests that verify some behaviour centered around includes. The first set of tests verifies that we correctly override values depending on the order of includes and other keys, the second set asserts that we can correctly snapshot configuration files with includes.

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• tests/config/snapshot.c

• #include "clar_libgit2.h"
  
  static git_config *cfg;
  static git_config *snapshot;
  
  void test_config_snapshot__cleanup(void)
  {
  	git_config_free(cfg);
  	cfg = NULL;
  	git_config_free(snapshot);
  	snapshot = NULL;
  }
  
  void test_config_snapshot__create_snapshot(void)
  {
  	int32_t i;
  
  	cl_git_mkfile("config", "[old]\nvalue = 5\n");
  	cl_git_pass(git_config_open_ondisk(&cfg, "config"));
  	cl_git_pass(git_config_get_int32(&i, cfg, "old.value"));
  	cl_assert_equal_i(5, i);
  
  	cl_git_pass(git_config_snapshot(&snapshot, cfg));
  
  	/* Change the value on the file itself (simulate external process) */
  	cl_git_mkfile("config", "[old]\nvalue = 56\n");
  
  	cl_git_pass(git_config_get_int32(&i, cfg, "old.value"));
  	cl_assert_equal_i(56, i);
  	cl_git_pass(git_config_get_int32(&i, snapshot, "old.value"));
  	cl_assert_equal_i(5, i);
  
  	/* Change the value on the file itself (simulate external process) */
  	cl_git_mkfile("config", "[old]\nvalue = 999\n");
  
  	/* Old snapshot should still have the old value */
  	cl_git_pass(git_config_get_int32(&i, snapshot, "old.value"));
  	cl_assert_equal_i(5, i);
  
  	/* New snapshot should see new value */
  	git_config_free(snapshot);
  	cl_git_pass(git_config_snapshot(&snapshot, cfg));
  	cl_git_pass(git_config_get_int32(&i, snapshot, "old.value"));
  	cl_assert_equal_i(999, i);
  
  	cl_git_pass(p_unlink("config"));
  }
  
  static int count_me(const git_config_entry *entry, void *payload)
  {
  	int *n = (int *) payload;
  
  	GIT_UNUSED(entry);
  
  	(*n)++;
  
  	return 0;
  }
  
  void test_config_snapshot__multivar(void)
  {
  	int count;
  
  	count = 0;
  	cl_git_mkfile("config", "[old]\nvalue = 5\nvalue = 6\n");
  	cl_git_pass(git_config_open_ondisk(&cfg, "config"));
  	cl_git_pass(git_config_get_multivar_foreach(cfg, "old.value", NULL, count_me, &count));
  	cl_assert_equal_i(2, count);
  
  	count = 0;
  	cl_git_pass(git_config_snapshot(&snapshot, cfg));
  	cl_git_pass(git_config_get_multivar_foreach(snapshot, "old.value", NULL, count_me, &count));
  	cl_assert_equal_i(2, count);
  
  	cl_git_pass(p_unlink("config"));
  }
  
  void test_config_snapshot__includes(void)
  {
  	int i;
  
  	cl_git_mkfile("including", "[include]\npath = included");
  	cl_git_mkfile("included", "[section]\nkey = 1\n");
  
  	cl_git_pass(git_config_open_ondisk(&cfg, "including"));
  	cl_git_pass(git_config_snapshot(&snapshot, cfg));
  
  	cl_git_pass(git_config_get_int32(&i, snapshot, "section.key"));
  	cl_assert_equal_i(i, 1);
  
  	/* Rewrite "included" config */
  	cl_git_mkfile("included", "[section]\nkey = 11\n");
  
  	/* Assert that the live config changed, but snapshot remained the same */
  	cl_git_pass(git_config_get_int32(&i, cfg, "section.key"));
  	cl_assert_equal_i(i, 11);
  	cl_git_pass(git_config_get_int32(&i, snapshot, "section.key"));
  	cl_assert_equal_i(i, 1);
  
  	cl_git_pass(p_unlink("including"));
  	cl_git_pass(p_unlink("included"));
  }
  

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