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index: add tests for the tree cache

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These test that we invalidate at the right levels and that we remove the
tree cache when clearing the index.
This commit is contained in:
Carlos Martín Nieto 2014-07-11 11:48:51 +02:00
parent 6843cebe17
commit ee4db1c16e
1 changed files with 110 additions and 0 deletions
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tests/index/cache.c Normal file
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#include "clar_libgit2.h"
#include "git2.h"
#include "index.h"
#include "tree-cache.h"
static git_repository *g_repo;
void test_index_cache__initialize(void)
{
g_repo = cl_git_sandbox_init("testrepo");
}
void test_index_cache__cleanup(void)
{
cl_git_sandbox_cleanup();
g_repo = NULL;
}
void test_index_cache__read_tree_no_children(void)
{
git_index *index;
git_index_entry entry;
git_tree *tree;
git_oid id;
cl_git_pass(git_index_new(&index));
cl_assert(index->tree == NULL);
cl_git_pass(git_oid_fromstr(&id, "45dd856fdd4d89b884c340ba0e047752d9b085d6"));
cl_git_pass(git_tree_lookup(&tree, g_repo, &id));
cl_git_pass(git_index_read_tree(index, tree));
git_tree_free(tree);
cl_assert(index->tree);
cl_assert(git_oid_equal(&id, &index->tree->oid));
cl_assert_equal_i(0, index->tree->children_count);
cl_assert_equal_i(0, index->tree->entries); /* 0 is a placeholder here */
memset(&entry, 0x0, sizeof(git_index_entry));
entry.path = "new.txt";
entry.mode = GIT_FILEMODE_BLOB;
git_oid_fromstr(&entry.id, "45b983be36b73c0788dc9cbcb76cbb80fc7bb057");
cl_git_pass(git_index_add(index, &entry));
cl_assert_equal_i(-1, index->tree->entries);
git_index_free(index);
}
void test_index_cache__read_tree_children(void)
{
git_index *index;
git_index_entry entry;
git_tree *tree;
const git_tree_cache *cache;
git_oid tree_id;
cl_git_pass(git_repository_index(&index, g_repo));
cl_git_pass(git_index_clear(index));
cl_assert(index->tree == NULL);
/* add a bunch of entries at different levels */
memset(&entry, 0x0, sizeof(git_index_entry));
entry.path = "top-level";
entry.mode = GIT_FILEMODE_BLOB;
git_oid_fromstr(&entry.id, "45b983be36b73c0788dc9cbcb76cbb80fc7bb057");
cl_git_pass(git_index_add(index, &entry));
entry.path = "subdir/some-file";
cl_git_pass(git_index_add(index, &entry));
entry.path = "subdir/even-deeper/some-file";
cl_git_pass(git_index_add(index, &entry));
entry.path = "subdir2/some-file";
cl_git_pass(git_index_add(index, &entry));
cl_git_pass(git_index_write_tree(&tree_id, index));
cl_git_pass(git_index_clear(index));
cl_assert(index->tree == NULL);
cl_git_pass(git_tree_lookup(&tree, g_repo, &tree_id));
cl_git_pass(git_index_read_tree(index, tree));
git_tree_free(tree);
cl_assert(index->tree);
cl_assert_equal_i(2, index->tree->children_count);
/* override with a slightly different id, also dummy */
entry.path = "subdir/some-file";
git_oid_fromstr(&entry.id, "45b983be36b73c0788dc9cbcb76cbb80fc7bb058");
cl_git_pass(git_index_add(index, &entry));
cl_assert_equal_i(-1, index->tree->entries);
cache = git_tree_cache_get(index->tree, "subdir");
cl_assert(cache);
cl_assert_equal_i(-1, cache->entries);
cache = git_tree_cache_get(index->tree, "subdir/even-deeper");
cl_assert(cache);
cl_assert_equal_i(0, cache->entries);
cache = git_tree_cache_get(index->tree, "subdir2");
cl_assert(cache);
cl_assert_equal_i(0, cache->entries);
git_index_free(index);
}