[tor-commits] [tor/master] Add dir/dump_unparseable_descriptors unit test
nickm at torproject.org
nickm at torproject.org
Thu Jun 30 15:18:32 UTC 2016
commit 824ee581b02d83d331506ab699ba3110f43595cb
Author: Andrea Shepard <andrea at torproject.org>
Date: Sat Jun 25 08:32:16 2016 +0000
Add dir/dump_unparseable_descriptors unit test
---
src/test/test_dir.c | 675 ++++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 675 insertions(+)
diff --git a/src/test/test_dir.c b/src/test/test_dir.c
index b8dcab3..e18ed42 100644
--- a/src/test/test_dir.c
+++ b/src/test/test_dir.c
@@ -11,6 +11,7 @@
#define DIRVOTE_PRIVATE
#define ROUTER_PRIVATE
#define ROUTERLIST_PRIVATE
+#define ROUTERPARSE_PRIVATE
#define HIBERNATE_PRIVATE
#define NETWORKSTATUS_PRIVATE
#define RELAY_PRIVATE
@@ -4101,6 +4102,679 @@ test_dir_choose_compression_level(void* data)
done: ;
}
+/*
+ * This really mocks options_get_datadir_fname2_suffix(), but for testing
+ * dump_desc(), we only care about get_datadir_fname(sub1), which is defined
+ * in config.h as:
+ *
+ * options_get_datadir_fname2_suffix(get_options(), sub1, NULL, NULL)
+ */
+
+static char *
+mock_get_datadir_fname(const or_options_t *options,
+ const char *sub1, const char *sub2,
+ const char *suffix)
+{
+ char *rv = NULL;
+
+ /*
+ * Assert we were called like get_datadir_fname(), since it's all
+ * we implement here.
+ */
+ tt_assert(options != NULL);
+ tt_assert(sub1 != NULL);
+ tt_assert(sub2 == NULL);
+ tt_assert(suffix == NULL);
+
+ /* Just duplicate the basename and return it for this mock */
+ rv = strdup(sub1);
+
+ done:
+ return rv;
+}
+
+static char *last_unlinked_path = NULL;
+static int unlinked_count = 0;
+
+static void
+mock_unlink_reset(void)
+{
+ tor_free(last_unlinked_path);
+ unlinked_count = 0;
+}
+
+static int
+mock_unlink(const char *path)
+{
+ tt_assert(path != NULL);
+
+ tor_free(last_unlinked_path);
+ last_unlinked_path = tor_strdup(path);
+ ++unlinked_count;
+
+ done:
+ return 0;
+}
+
+static char *last_write_str_path = NULL;
+static uint8_t last_write_str_hash[DIGEST256_LEN];
+static int write_str_count = 0;
+
+static void
+mock_write_str_to_file_reset(void)
+{
+ tor_free(last_write_str_path);
+ write_str_count = 0;
+}
+
+static int
+mock_write_str_to_file(const char *path, const char *str, int bin)
+{
+ size_t len;
+ uint8_t hash[DIGEST256_LEN];
+
+ (void)bin;
+
+ tt_assert(path != NULL);
+ tt_assert(str != NULL);
+
+ len = strlen(str);
+ crypto_digest256((char *)hash, str, len, DIGEST_SHA256);
+
+ tor_free(last_write_str_path);
+ last_write_str_path = tor_strdup(path);
+ memcpy(last_write_str_hash, hash, sizeof(last_write_str_hash));
+ ++write_str_count;
+
+ done:
+ return 0;
+}
+
+static void
+test_dir_dump_unparseable_descriptors(void *data)
+{
+ /*
+ * These bogus descriptors look nothing at all like real bogus descriptors
+ * we might see, but we're only testing dump_desc() here, not the parser.
+ */
+ const char *test_desc_type = "squamous";
+ /* strlen(test_desc_1) = 583 bytes */
+ const char *test_desc_1 =
+ "The most merciful thing in the world, I think, is the inability of the "
+ "human mind to correlate all its contents. We live on a placid island of"
+ " ignorance in the midst of black seas of infinity, and it was not meant"
+ " that we should voyage far. The sciences, each straining in its own dir"
+ "ection, have hitherto harmed us little; but some day the piecing togeth"
+ "er of dissociated knowledge will open up such terrifying vistas of real"
+ "ity, and of our frightful position therein, that we shall either go mad"
+ "from the revelation or flee from the light into the peace and safety of"
+ "a new dark age.";
+ uint8_t test_desc_1_hash[DIGEST256_LEN];
+ char test_desc_1_hash_str[HEX_DIGEST256_LEN+1];
+ /* strlen(test_desc_2) = 650 bytes */
+ const char *test_desc_2 =
+ "I think their predominant colour was a greyish-green, though they had w"
+ "hite bellies. They were mostly shiny and slippery, but the ridges of th"
+ "eir backs were scaly. Their forms vaguely suggested the anthropoid, whi"
+ "le their heads were the heads of fish, with prodigious bulging eyes tha"
+ "t never closed. At the sides of their necks were palpitating gills, and"
+ "their long paws were webbed. They hopped irregularly, sometimes on two "
+ "legs and sometimes on four. I was somehow glad that they had no more th"
+ "an four limbs. Their croaking, baying voices, clearly wed tar articulat"
+ "e speech, held all the dark shades of expression which their staring fa"
+ "ces lacked.";
+ uint8_t test_desc_2_hash[DIGEST256_LEN];
+ char test_desc_2_hash_str[HEX_DIGEST256_LEN+1];
+ /* strlen(test_desc_3) = 700 bytes */
+ const char *test_desc_3 =
+ "Without knowing what futurism is like, Johansen achieved something very"
+ "close to it when he spoke of the city; for instead of describing any de"
+ "finite structure or building, he dwells only on broad impressions of va"
+ "st angles and stone surfaces - surfaces too great to belong to anything"
+ "right or proper for this earth, and impious with horrible images and hi"
+ "eroglyphs. I mention his talk about angles because it suggests somethin"
+ "g Wilcox had told me of his awful dreams. He said that the geometry of "
+ "the dream-place he saw was abnormal, non-Euclidean, and loathsomely red"
+ "olent of spheres and dimensions apart from ours. Now an unlettered seam"
+ "an felt the same thing whilst gazing at the terrible reality.";
+ uint8_t test_desc_3_hash[DIGEST256_LEN];
+ char test_desc_3_hash_str[HEX_DIGEST256_LEN+1];
+ /* strlen(test_desc_3) = 604 bytes */
+ const char *test_desc_4 =
+ "So we glanced back simultaneously, it would appear; though no doubt the"
+ "incipient motion of one prompted the imitation of the other. As we did "
+ "so we flashed both torches full strength at the momentarily thinned mis"
+ "t; either from sheer primitive anxiety to see all we could, or in a les"
+ "s primitive but equally unconscious effort to dazzle the entity before "
+ "we dimmed our light and dodged among the penguins of the labyrinth cent"
+ "er ahead. Unhappy act! Not Orpheus himself, or Lot's wife, paid much mo"
+ "re dearly for a backward glance. And again came that shocking, wide-ran"
+ "ged piping - \"Tekeli-li! Tekeli-li!\"";
+ uint8_t test_desc_4_hash[DIGEST256_LEN];
+ char test_desc_4_hash_str[HEX_DIGEST256_LEN+1];
+ (void)data;
+
+ /*
+ * Set up options mock so we can force a tiny FIFO size and generate
+ * cleanups.
+ */
+ mock_options = malloc(sizeof(or_options_t));
+ reset_options(mock_options, &mock_get_options_calls);
+ mock_options->MaxUnparseableDescSizeToLog = 1536;
+ MOCK(get_options, mock_get_options);
+ MOCK(options_get_datadir_fname2_suffix,
+ mock_get_datadir_fname);
+
+ /*
+ * Set up unlink and write mocks
+ */
+ MOCK(tor_unlink, mock_unlink);
+ mock_unlink_reset();
+ MOCK(write_str_to_file, mock_write_str_to_file);
+ mock_write_str_to_file_reset();
+
+ /*
+ * Compute hashes we'll need to recognize which descriptor is which
+ */
+ crypto_digest256((char *)test_desc_1_hash, test_desc_1,
+ strlen(test_desc_1), DIGEST_SHA256);
+ base16_encode(test_desc_1_hash_str, sizeof(test_desc_1_hash_str),
+ (const char *)test_desc_1_hash,
+ sizeof(test_desc_1_hash));
+ crypto_digest256((char *)test_desc_2_hash, test_desc_2,
+ strlen(test_desc_2), DIGEST_SHA256);
+ base16_encode(test_desc_2_hash_str, sizeof(test_desc_2_hash_str),
+ (const char *)test_desc_2_hash,
+ sizeof(test_desc_2_hash));
+ crypto_digest256((char *)test_desc_3_hash, test_desc_3,
+ strlen(test_desc_3), DIGEST_SHA256);
+ base16_encode(test_desc_3_hash_str, sizeof(test_desc_3_hash_str),
+ (const char *)test_desc_3_hash,
+ sizeof(test_desc_3_hash));
+ crypto_digest256((char *)test_desc_4_hash, test_desc_4,
+ strlen(test_desc_4), DIGEST_SHA256);
+ base16_encode(test_desc_4_hash_str, sizeof(test_desc_4_hash_str),
+ (const char *)test_desc_4_hash,
+ sizeof(test_desc_4_hash));
+
+ /*
+ * Reset the FIFO and check its state
+ */
+ dump_desc_fifo_cleanup();
+ tt_int_op(len_descs_dumped, ==, 0);
+ tt_assert(descs_dumped == NULL || smartlist_len(descs_dumped) == 0);
+
+ /*
+ * (1) Fire off dump_desc() once; these descriptors should all be safely
+ * smaller than configured FIFO size.
+ */
+
+ dump_desc(test_desc_1, test_desc_type);
+
+ /*
+ * Assert things about the FIFO state
+ */
+ tt_int_op(len_descs_dumped, ==, strlen(test_desc_1));
+ tt_assert(descs_dumped != NULL && smartlist_len(descs_dumped) == 1);
+
+ /*
+ * Assert things about the mocks
+ */
+ tt_int_op(unlinked_count, ==, 0);
+ tt_int_op(write_str_count, ==, 1);
+ tt_mem_op(last_write_str_hash, OP_EQ, test_desc_1_hash, DIGEST_SHA256);
+
+ /*
+ * Reset the FIFO and check its state
+ */
+ dump_desc_fifo_cleanup();
+ tt_int_op(len_descs_dumped, ==, 0);
+ tt_assert(descs_dumped == NULL || smartlist_len(descs_dumped) == 0);
+
+ /*
+ * Reset the mocks and check their state
+ */
+ mock_unlink_reset();
+ mock_write_str_to_file_reset();
+ tt_int_op(unlinked_count, ==, 0);
+ tt_int_op(write_str_count, ==, 0);
+
+ /*
+ * (2) Fire off dump_desc() twice; this still should trigger no cleanup.
+ */
+
+ /* First time */
+ dump_desc(test_desc_2, test_desc_type);
+
+ /*
+ * Assert things about the FIFO state
+ */
+ tt_int_op(len_descs_dumped, ==, strlen(test_desc_2));
+ tt_assert(descs_dumped != NULL && smartlist_len(descs_dumped) == 1);
+
+ /*
+ * Assert things about the mocks
+ */
+ tt_int_op(unlinked_count, ==, 0);
+ tt_int_op(write_str_count, ==, 1);
+ tt_mem_op(last_write_str_hash, OP_EQ, test_desc_2_hash, DIGEST_SHA256);
+
+ /* Second time */
+ dump_desc(test_desc_3, test_desc_type);
+
+ /*
+ * Assert things about the FIFO state
+ */
+ tt_int_op(len_descs_dumped, ==, strlen(test_desc_2) + strlen(test_desc_3));
+ tt_assert(descs_dumped != NULL && smartlist_len(descs_dumped) == 2);
+
+ /*
+ * Assert things about the mocks
+ */
+ tt_int_op(unlinked_count, ==, 0);
+ tt_int_op(write_str_count, ==, 2);
+ tt_mem_op(last_write_str_hash, OP_EQ, test_desc_3_hash, DIGEST_SHA256);
+
+ /*
+ * Reset the FIFO and check its state
+ */
+ dump_desc_fifo_cleanup();
+ tt_int_op(len_descs_dumped, ==, 0);
+ tt_assert(descs_dumped == NULL || smartlist_len(descs_dumped) == 0);
+
+ /*
+ * Reset the mocks and check their state
+ */
+ mock_unlink_reset();
+ mock_write_str_to_file_reset();
+ tt_int_op(unlinked_count, ==, 0);
+ tt_int_op(write_str_count, ==, 0);
+
+ /*
+ * (3) Three calls to dump_desc cause a FIFO cleanup
+ */
+
+ /* First time */
+ dump_desc(test_desc_4, test_desc_type);
+
+ /*
+ * Assert things about the FIFO state
+ */
+ tt_int_op(len_descs_dumped, ==, strlen(test_desc_4));
+ tt_assert(descs_dumped != NULL && smartlist_len(descs_dumped) == 1);
+
+ /*
+ * Assert things about the mocks
+ */
+ tt_int_op(unlinked_count, ==, 0);
+ tt_int_op(write_str_count, ==, 1);
+ tt_mem_op(last_write_str_hash, OP_EQ, test_desc_4_hash, DIGEST_SHA256);
+
+ /* Second time */
+ dump_desc(test_desc_1, test_desc_type);
+
+ /*
+ * Assert things about the FIFO state
+ */
+ tt_int_op(len_descs_dumped, ==, strlen(test_desc_4) + strlen(test_desc_1));
+ tt_assert(descs_dumped != NULL && smartlist_len(descs_dumped) == 2);
+
+ /*
+ * Assert things about the mocks
+ */
+ tt_int_op(unlinked_count, ==, 0);
+ tt_int_op(write_str_count, ==, 2);
+ tt_mem_op(last_write_str_hash, OP_EQ, test_desc_1_hash, DIGEST_SHA256);
+
+ /* Third time - we should unlink the dump of test_desc_4 here */
+ dump_desc(test_desc_2, test_desc_type);
+
+ /*
+ * Assert things about the FIFO state
+ */
+ tt_int_op(len_descs_dumped, ==, strlen(test_desc_1) + strlen(test_desc_2));
+ tt_assert(descs_dumped != NULL && smartlist_len(descs_dumped) == 2);
+
+ /*
+ * Assert things about the mocks
+ */
+ tt_int_op(unlinked_count, ==, 1);
+ tt_int_op(write_str_count, ==, 3);
+ tt_mem_op(last_write_str_hash, OP_EQ, test_desc_2_hash, DIGEST_SHA256);
+
+ /*
+ * Reset the FIFO and check its state
+ */
+ dump_desc_fifo_cleanup();
+ tt_int_op(len_descs_dumped, ==, 0);
+ tt_assert(descs_dumped == NULL || smartlist_len(descs_dumped) == 0);
+
+ /*
+ * Reset the mocks and check their state
+ */
+ mock_unlink_reset();
+ mock_write_str_to_file_reset();
+ tt_int_op(unlinked_count, ==, 0);
+ tt_int_op(write_str_count, ==, 0);
+
+ /*
+ * (4) But repeating one (A B B) doesn't overflow and cleanup
+ */
+
+ /* First time */
+ dump_desc(test_desc_3, test_desc_type);
+
+ /*
+ * Assert things about the FIFO state
+ */
+ tt_int_op(len_descs_dumped, ==, strlen(test_desc_3));
+ tt_assert(descs_dumped != NULL && smartlist_len(descs_dumped) == 1);
+
+ /*
+ * Assert things about the mocks
+ */
+ tt_int_op(unlinked_count, ==, 0);
+ tt_int_op(write_str_count, ==, 1);
+ tt_mem_op(last_write_str_hash, OP_EQ, test_desc_3_hash, DIGEST_SHA256);
+
+ /* Second time */
+ dump_desc(test_desc_4, test_desc_type);
+
+ /*
+ * Assert things about the FIFO state
+ */
+ tt_int_op(len_descs_dumped, ==, strlen(test_desc_3) + strlen(test_desc_4));
+ tt_assert(descs_dumped != NULL && smartlist_len(descs_dumped) == 2);
+
+ /*
+ * Assert things about the mocks
+ */
+ tt_int_op(unlinked_count, ==, 0);
+ tt_int_op(write_str_count, ==, 2);
+ tt_mem_op(last_write_str_hash, OP_EQ, test_desc_4_hash, DIGEST_SHA256);
+
+ /* Third time */
+ dump_desc(test_desc_4, test_desc_type);
+
+ /*
+ * Assert things about the FIFO state
+ */
+ tt_int_op(len_descs_dumped, ==, strlen(test_desc_3) + strlen(test_desc_4));
+ tt_assert(descs_dumped != NULL && smartlist_len(descs_dumped) == 2);
+
+ /*
+ * Assert things about the mocks
+ */
+ tt_int_op(unlinked_count, ==, 0);
+ tt_int_op(write_str_count, ==, 2);
+ tt_mem_op(last_write_str_hash, OP_EQ, test_desc_4_hash, DIGEST_SHA256);
+
+ /*
+ * Reset the FIFO and check its state
+ */
+ dump_desc_fifo_cleanup();
+ tt_int_op(len_descs_dumped, ==, 0);
+ tt_assert(descs_dumped == NULL || smartlist_len(descs_dumped) == 0);
+
+ /*
+ * Reset the mocks and check their state
+ */
+ mock_unlink_reset();
+ mock_write_str_to_file_reset();
+ tt_int_op(unlinked_count, ==, 0);
+ tt_int_op(write_str_count, ==, 0);
+
+ /*
+ * (5) Same for the (A B A) repetition
+ */
+
+ /* First time */
+ dump_desc(test_desc_1, test_desc_type);
+
+ /*
+ * Assert things about the FIFO state
+ */
+ tt_int_op(len_descs_dumped, ==, strlen(test_desc_1));
+ tt_assert(descs_dumped != NULL && smartlist_len(descs_dumped) == 1);
+
+ /*
+ * Assert things about the mocks
+ */
+ tt_int_op(unlinked_count, ==, 0);
+ tt_int_op(write_str_count, ==, 1);
+ tt_mem_op(last_write_str_hash, OP_EQ, test_desc_1_hash, DIGEST_SHA256);
+
+ /* Second time */
+ dump_desc(test_desc_2, test_desc_type);
+
+ /*
+ * Assert things about the FIFO state
+ */
+ tt_int_op(len_descs_dumped, ==, strlen(test_desc_1) + strlen(test_desc_2));
+ tt_assert(descs_dumped != NULL && smartlist_len(descs_dumped) == 2);
+
+ /*
+ * Assert things about the mocks
+ */
+ tt_int_op(unlinked_count, ==, 0);
+ tt_int_op(write_str_count, ==, 2);
+ tt_mem_op(last_write_str_hash, OP_EQ, test_desc_2_hash, DIGEST_SHA256);
+
+ /* Third time */
+ dump_desc(test_desc_1, test_desc_type);
+
+ /*
+ * Assert things about the FIFO state
+ */
+ tt_int_op(len_descs_dumped, ==, strlen(test_desc_1) + strlen(test_desc_2));
+ tt_assert(descs_dumped != NULL && smartlist_len(descs_dumped) == 2);
+
+ /*
+ * Assert things about the mocks
+ */
+ tt_int_op(unlinked_count, ==, 0);
+ tt_int_op(write_str_count, ==, 2);
+ tt_mem_op(last_write_str_hash, OP_EQ, test_desc_2_hash, DIGEST_SHA256);
+
+ /*
+ * Reset the FIFO and check its state
+ */
+ dump_desc_fifo_cleanup();
+ tt_int_op(len_descs_dumped, ==, 0);
+ tt_assert(descs_dumped == NULL || smartlist_len(descs_dumped) == 0);
+
+ /*
+ * Reset the mocks and check their state
+ */
+ mock_unlink_reset();
+ mock_write_str_to_file_reset();
+ tt_int_op(unlinked_count, ==, 0);
+ tt_int_op(write_str_count, ==, 0);
+
+ /*
+ * (6) (A B B C) triggering overflow on C causes A, not B to be unlinked
+ */
+
+ /* First time */
+ dump_desc(test_desc_3, test_desc_type);
+
+ /*
+ * Assert things about the FIFO state
+ */
+ tt_int_op(len_descs_dumped, ==, strlen(test_desc_3));
+ tt_assert(descs_dumped != NULL && smartlist_len(descs_dumped) == 1);
+
+ /*
+ * Assert things about the mocks
+ */
+ tt_int_op(unlinked_count, ==, 0);
+ tt_int_op(write_str_count, ==, 1);
+ tt_mem_op(last_write_str_hash, OP_EQ, test_desc_3_hash, DIGEST_SHA256);
+
+ /* Second time */
+ dump_desc(test_desc_4, test_desc_type);
+
+ /*
+ * Assert things about the FIFO state
+ */
+ tt_int_op(len_descs_dumped, ==, strlen(test_desc_3) + strlen(test_desc_4));
+ tt_assert(descs_dumped != NULL && smartlist_len(descs_dumped) == 2);
+
+ /*
+ * Assert things about the mocks
+ */
+ tt_int_op(unlinked_count, ==, 0);
+ tt_int_op(write_str_count, ==, 2);
+ tt_mem_op(last_write_str_hash, OP_EQ, test_desc_4_hash, DIGEST_SHA256);
+
+ /* Third time */
+ dump_desc(test_desc_4, test_desc_type);
+
+ /*
+ * Assert things about the FIFO state
+ */
+ tt_int_op(len_descs_dumped, ==, strlen(test_desc_3) + strlen(test_desc_4));
+ tt_assert(descs_dumped != NULL && smartlist_len(descs_dumped) == 2);
+
+ /*
+ * Assert things about the mocks
+ */
+ tt_int_op(unlinked_count, ==, 0);
+ tt_int_op(write_str_count, ==, 2);
+ tt_mem_op(last_write_str_hash, OP_EQ, test_desc_4_hash, DIGEST_SHA256);
+
+ /* Fourth time - we should unlink the dump of test_desc_3 here */
+ dump_desc(test_desc_1, test_desc_type);
+
+ /*
+ * Assert things about the FIFO state
+ */
+ tt_int_op(len_descs_dumped, ==, strlen(test_desc_4) + strlen(test_desc_1));
+ tt_assert(descs_dumped != NULL && smartlist_len(descs_dumped) == 2);
+
+ /*
+ * Assert things about the mocks
+ */
+ tt_int_op(unlinked_count, ==, 1);
+ tt_int_op(write_str_count, ==, 3);
+ tt_mem_op(last_write_str_hash, OP_EQ, test_desc_1_hash, DIGEST_SHA256);
+
+ /*
+ * Reset the FIFO and check its state
+ */
+ dump_desc_fifo_cleanup();
+ tt_int_op(len_descs_dumped, ==, 0);
+ tt_assert(descs_dumped == NULL || smartlist_len(descs_dumped) == 0);
+
+ /*
+ * Reset the mocks and check their state
+ */
+ mock_unlink_reset();
+ mock_write_str_to_file_reset();
+ tt_int_op(unlinked_count, ==, 0);
+ tt_int_op(write_str_count, ==, 0);
+
+ /*
+ * (7) (A B A C) triggering overflow on C causes B, not A to be unlinked
+ */
+
+ /* First time */
+ dump_desc(test_desc_2, test_desc_type);
+
+ /*
+ * Assert things about the FIFO state
+ */
+ tt_int_op(len_descs_dumped, ==, strlen(test_desc_2));
+ tt_assert(descs_dumped != NULL && smartlist_len(descs_dumped) == 1);
+
+ /*
+ * Assert things about the mocks
+ */
+ tt_int_op(unlinked_count, ==, 0);
+ tt_int_op(write_str_count, ==, 1);
+ tt_mem_op(last_write_str_hash, OP_EQ, test_desc_2_hash, DIGEST_SHA256);
+
+ /* Second time */
+ dump_desc(test_desc_3, test_desc_type);
+
+ /*
+ * Assert things about the FIFO state
+ */
+ tt_int_op(len_descs_dumped, ==, strlen(test_desc_2) + strlen(test_desc_3));
+ tt_assert(descs_dumped != NULL && smartlist_len(descs_dumped) == 2);
+
+ /*
+ * Assert things about the mocks
+ */
+ tt_int_op(unlinked_count, ==, 0);
+ tt_int_op(write_str_count, ==, 2);
+ tt_mem_op(last_write_str_hash, OP_EQ, test_desc_3_hash, DIGEST_SHA256);
+
+ /* Third time */
+ dump_desc(test_desc_2, test_desc_type);
+
+ /*
+ * Assert things about the FIFO state
+ */
+ tt_int_op(len_descs_dumped, ==, strlen(test_desc_2) + strlen(test_desc_3));
+ tt_assert(descs_dumped != NULL && smartlist_len(descs_dumped) == 2);
+
+ /*
+ * Assert things about the mocks
+ */
+ tt_int_op(unlinked_count, ==, 0);
+ tt_int_op(write_str_count, ==, 2);
+ tt_mem_op(last_write_str_hash, OP_EQ, test_desc_3_hash, DIGEST_SHA256);
+
+ /* Fourth time - we should unlink the dump of test_desc_3 here */
+ dump_desc(test_desc_4, test_desc_type);
+
+ /*
+ * Assert things about the FIFO state
+ */
+ tt_int_op(len_descs_dumped, ==, strlen(test_desc_2) + strlen(test_desc_4));
+ tt_assert(descs_dumped != NULL && smartlist_len(descs_dumped) == 2);
+
+ /*
+ * Assert things about the mocks
+ */
+ tt_int_op(unlinked_count, ==, 1);
+ tt_int_op(write_str_count, ==, 3);
+ tt_mem_op(last_write_str_hash, OP_EQ, test_desc_4_hash, DIGEST_SHA256);
+
+ /*
+ * Reset the FIFO and check its state
+ */
+ dump_desc_fifo_cleanup();
+ tt_int_op(len_descs_dumped, ==, 0);
+ tt_assert(descs_dumped == NULL || smartlist_len(descs_dumped) == 0);
+
+ /*
+ * Reset the mocks and check their state
+ */
+ mock_unlink_reset();
+ mock_write_str_to_file_reset();
+ tt_int_op(unlinked_count, ==, 0);
+ tt_int_op(write_str_count, ==, 0);
+
+ done:
+
+ /* Clean up the fifo */
+ dump_desc_fifo_cleanup();
+
+ /* Remove mocks */
+ UNMOCK(tor_unlink);
+ mock_unlink_reset();
+ UNMOCK(write_str_to_file);
+ mock_write_str_to_file_reset();
+ UNMOCK(options_get_datadir_fname2_suffix);
+ UNMOCK(get_options);
+ free(mock_options);
+ mock_options = NULL;
+
+ return;
+}
+
static int mock_networkstatus_consensus_is_bootstrapping_value = 0;
static int
mock_networkstatus_consensus_is_bootstrapping(time_t now)
@@ -4310,6 +4984,7 @@ struct testcase_t dir_tests[] = {
DIR(should_not_init_request_to_dir_auths_without_v3_info, 0),
DIR(should_init_request_to_dir_auths, 0),
DIR(choose_compression_level, 0),
+ DIR(dump_unparseable_descriptors, 0),
DIR_ARG(find_dl_schedule, TT_FORK, "bf"),
DIR_ARG(find_dl_schedule, TT_FORK, "ba"),
DIR_ARG(find_dl_schedule, TT_FORK, "cf"),
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