[ostree] tests: add tests for mutable tree.



commit d414ee5852791a3cf4f1c3faac2c605edc3dd5f9
Author: Giuseppe Scrivano <gscrivan redhat com>
Date:   Wed Mar 4 14:14:18 2015 +0100

    tests: add tests for mutable tree.
    
    Signed-off-by: Giuseppe Scrivano <gscrivan redhat com>

 Makefile-tests.am         |    5 +-
 tests/test-mutable-tree.c |  194 +++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 198 insertions(+), 1 deletions(-)
---
diff --git a/Makefile-tests.am b/Makefile-tests.am
index 1c3b50b..b59e1db 100644
--- a/Makefile-tests.am
+++ b/Makefile-tests.am
@@ -106,7 +106,7 @@ endif
 # "make check" do not depend from --enable-installed-tests
 noinst_PROGRAMS += tests/test-rollsum
 
-TESTS = tests/test-varint tests/test-ot-unix-utils tests/test-bsdiff
+TESTS = tests/test-varint tests/test-ot-unix-utils tests/test-bsdiff tests/test-mutable-tree
 check_PROGRAMS =  $(TESTS)
 TESTS_CFLAGS = $(ostree_bin_shared_cflags) $(OT_INTERNAL_GIO_UNIX_CFLAGS)
 TESTS_LDADD = $(ostree_bin_shared_ldadd) $(OT_INTERNAL_GIO_UNIX_LIBS)
@@ -115,6 +115,9 @@ tests_test_rollsum_SOURCES = src/libostree/ostree-rollsum.c tests/test-rollsum.c
 tests_test_rollsum_CFLAGS = $(TESTS_CFLAGS)
 tests_test_rollsum_LDADD = libbupsplit.la $(TESTS_LDADD)
 
+tests_test_mutable_tree_CFLAGS = $(TESTS_CFLAGS)
+tests_test_mutable_tree_LDADD = $(TESTS_LDADD)
+
 tests_test_ot_unix_utils_CFLAGS = $(TESTS_CFLAGS)
 tests_test_ot_unix_utils_LDADD = $(TESTS_LDADD)
 
diff --git a/tests/test-mutable-tree.c b/tests/test-mutable-tree.c
new file mode 100644
index 0000000..ef2b6b5
--- /dev/null
+++ b/tests/test-mutable-tree.c
@@ -0,0 +1,194 @@
+/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*-
+ *
+ * Copyright (C) 2015 Red Hat, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#include "config.h"
+#include "libgsystem.h"
+#include "ostree-mutable-tree.h"
+#include <glib.h>
+#include <stdlib.h>
+#include <gio/gio.h>
+#include <string.h>
+#include "ot-unix-utils.h"
+
+static void
+test_metadata_checksum (void)
+{
+  const char *checksum = "12345678901234567890123456789012";
+  gs_unref_object OstreeMutableTree *tree = ostree_mutable_tree_new ();
+
+  g_assert_null (ostree_mutable_tree_get_metadata_checksum (tree));
+
+  ostree_mutable_tree_set_metadata_checksum (tree, checksum);
+
+  g_assert_cmpstr (checksum, ==, ostree_mutable_tree_get_metadata_checksum (tree));
+}
+
+static void
+test_mutable_tree_walk (void)
+{
+  gs_unref_object OstreeMutableTree *tree = ostree_mutable_tree_new ();
+  gs_unref_object OstreeMutableTree *parent = NULL;
+  gs_unref_ptrarray GPtrArray *split_path = NULL;
+  GError *error = NULL;
+  const char *pathname = "a/b/c/d/e/f/g/i";
+  const char *checksum = "01234567890123456789012345678901";
+
+  g_assert (ot_util_path_split_validate (pathname, &split_path, &error));
+
+  g_assert (ostree_mutable_tree_ensure_parent_dirs (tree, split_path,
+                                                    checksum, &parent,
+                                                    &error));
+  {
+    gs_unref_object OstreeMutableTree *subdir = NULL;
+    g_assert (ostree_mutable_tree_walk (tree, split_path, 0, &subdir, &error));
+    g_assert_nonnull (subdir);
+  }
+
+  {
+    gs_unref_object OstreeMutableTree *subdir = NULL;
+    g_assert_false (ostree_mutable_tree_walk (tree, split_path, 1, &subdir, &error));
+    g_assert_null (subdir);
+    g_clear_error (&error);
+  }
+
+  {
+    gs_unref_object OstreeMutableTree *subdir = NULL;
+    g_assert_false (ostree_mutable_tree_walk (tree, split_path, 10, &subdir, &error));
+    g_assert_null (subdir);
+    g_clear_error (&error);
+  }
+
+  {
+    gs_unref_object OstreeMutableTree *subdir = NULL;
+    gs_unref_object OstreeMutableTree *a = NULL;
+    gs_free char *source_checksum = NULL;
+    ostree_mutable_tree_lookup (tree, "a", &source_checksum, &a, &error);
+    g_assert (ostree_mutable_tree_walk (a, split_path, 1, &subdir, &error));
+    g_assert (subdir);
+  }
+}
+
+static void
+test_ensure_parent_dirs (void)
+{
+  gs_unref_object OstreeMutableTree *tree = ostree_mutable_tree_new ();
+  gs_unref_object OstreeMutableTree *parent = NULL;
+  gs_unref_ptrarray GPtrArray *split_path = NULL;
+  GError *error = NULL;
+  const char *pathname = "/foo/bar/baz";
+  const char *checksum = "01234567890123456789012345678901";
+  gs_free char *source_checksum = NULL;
+  gs_unref_object OstreeMutableTree *source_subdir = NULL;
+  gs_free char *source_checksum2 = NULL;
+  gs_unref_object OstreeMutableTree *source_subdir2 = NULL;
+
+  g_assert (ot_util_path_split_validate (pathname, &split_path, &error));
+
+  g_assert (ostree_mutable_tree_ensure_parent_dirs (tree, split_path,
+                                                    checksum, &parent,
+                                                    &error));
+
+  g_assert (ostree_mutable_tree_lookup (tree, "foo", &source_checksum,
+                                        &source_subdir, &error));
+
+  g_assert_false (ostree_mutable_tree_lookup (tree, "bar", &source_checksum2,
+                                              &source_subdir2, &error));
+}
+
+static void
+test_ensure_dir (void)
+{
+  gs_unref_object OstreeMutableTree *tree = ostree_mutable_tree_new ();
+  gs_unref_object OstreeMutableTree *parent = NULL;
+  gs_unref_ptrarray GPtrArray *split_path = NULL;
+  GError *error = NULL;
+  const char *dirname = "foo";
+  const char *filename = "bar";
+  const char *checksum = "01234567890123456789012345678901";
+  gs_free char *source_checksum = NULL;
+  gs_unref_object OstreeMutableTree *source_subdir = NULL;
+
+  g_assert (ostree_mutable_tree_ensure_dir (tree, dirname, &parent, &error));
+  g_assert (ostree_mutable_tree_lookup (tree, dirname, &source_checksum, &source_subdir, &error));
+
+  g_assert (ostree_mutable_tree_replace_file (tree, filename, checksum, &error));
+  g_assert_false (ostree_mutable_tree_ensure_dir (tree, filename, &parent, &error));
+}
+
+static void
+test_replace_file (void)
+{
+  gs_unref_object OstreeMutableTree *tree = ostree_mutable_tree_new ();
+  gs_unref_object OstreeMutableTree *parent = NULL;
+  gs_unref_ptrarray GPtrArray *split_path = NULL;
+  GError *error = NULL;
+  const char *filename = "bar";
+  const char *checksum = "01234567890123456789012345678901";
+  const char *checksum2 = "ABCDEF01234567890123456789012345";
+
+  g_assert (ostree_mutable_tree_replace_file (tree, filename, checksum, &error));
+  {
+    gs_free char *out_checksum = NULL;
+    gs_unref_object OstreeMutableTree *subdir = NULL;
+    g_assert (ostree_mutable_tree_lookup (tree, filename, &out_checksum, &subdir, &error));
+    g_assert_cmpstr (checksum, ==, out_checksum);
+  }
+
+  g_assert (ostree_mutable_tree_replace_file (tree, filename, checksum2, &error));
+  {
+    gs_free char *out_checksum = NULL;
+    gs_unref_object OstreeMutableTree *subdir = NULL;
+    g_assert (ostree_mutable_tree_lookup (tree, filename, &out_checksum, &subdir, &error));
+    g_assert_cmpstr (checksum2, ==, out_checksum);
+  }
+}
+
+static void
+test_contents_checksum (void)
+{
+  const char *checksum = "01234567890123456789012345678901";
+  const char *subdir_checksum = "ABCD0123456789012345678901234567";
+  gs_unref_object OstreeMutableTree *tree = ostree_mutable_tree_new ();
+  gs_unref_object OstreeMutableTree *subdir = NULL;
+  GError *error = NULL;
+  g_assert_null (ostree_mutable_tree_get_contents_checksum (tree));
+
+  ostree_mutable_tree_set_contents_checksum (tree, checksum);
+  g_assert_cmpstr (checksum, ==, ostree_mutable_tree_get_contents_checksum (tree));
+
+  g_assert (ostree_mutable_tree_ensure_dir (tree, "subdir", &subdir, &error));
+  g_assert_nonnull (subdir);
+
+  ostree_mutable_tree_set_contents_checksum (subdir, subdir_checksum);
+  g_assert_cmpstr (subdir_checksum, ==, ostree_mutable_tree_get_contents_checksum (subdir));
+  g_assert_null (ostree_mutable_tree_get_contents_checksum (tree));
+}
+
+int main (int argc, char **argv)
+{
+  g_test_init (&argc, &argv, NULL);
+  g_test_add_func ("/mutable-tree/metadata-checksum", test_metadata_checksum);
+  g_test_add_func ("/mutable-tree/contents-checksum", test_contents_checksum);
+  g_test_add_func ("/mutable-tree/parent-dirs", test_ensure_parent_dirs);
+  g_test_add_func ("/mutable-tree/walk", test_mutable_tree_walk);
+  g_test_add_func ("/mutable-tree/ensure-dir", test_ensure_dir);
+  g_test_add_func ("/mutable-tree/replace-file", test_replace_file);
+  return g_test_run();
+}


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