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Add test for reloading a dictionary after fail by timer.

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This commit is contained in:
Vitaly Baranov 2019-07-24 14:46:50 +03:00
parent 97b2a290ba
commit 96df26a4d2
2 changed files with 47 additions and 1 deletions
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17
dbms/tests/integration/test_dictionaries/configs/dictionaries/dictionary_preset_file.xml
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@ -33,4 +33,21 @@
</attribute>
</structure>
</dictionary>
<dictionary>
<name>no_file_2</name>
<source>
<file>
<path>/etc/clickhouse-server/config.d/dictionary_preset_no_file_2.txt</path>
<format>TabSeparated</format>
</file>
</source>
<lifetime>1</lifetime>
<layout><flat/></layout>
<structure><id><name>key</name> </id>
<attribute><name>a</name><type>Int32</type>
<null_value>0</null_value>
</attribute>
</structure>
</dictionary>
</dictionaries>

31
dbms/tests/integration/test_dictionaries/test.py
View File

@ -294,7 +294,7 @@ def test_reload_after_loading(started_cluster):
assert query("SELECT dictGetInt32('cmd', 'a', toUInt64(7))") == "83\n"
def test_reload_after_fail(started_cluster):
def test_reload_after_fail_by_system_reload(started_cluster):
query = instance.query
# dictionaries_lazy_load == false, so this dictionary is not loaded.
@ -321,3 +321,32 @@ def test_reload_after_fail(started_cluster):
query("SYSTEM RELOAD DICTIONARY 'no_file'")
query("SELECT dictGetInt32('no_file', 'a', toUInt64(9))") == "10\n"
assert get_status("no_file") == "LOADED"
def test_reload_after_fail_by_timer(started_cluster):
query = instance.query
# dictionaries_lazy_load == false, so this dictionary is not loaded.
assert get_status("no_file_2") == "NOT_LOADED"
# We expect an error because the file source doesn't exist.
expected_error = "No such file"
assert expected_error in instance.query_and_get_error("SELECT dictGetInt32('no_file_2', 'a', toUInt64(9))")
assert get_status("no_file_2") == "FAILED"
# Passed time should not change anything now, the status is still FAILED.
time.sleep(6);
assert expected_error in instance.query_and_get_error("SELECT dictGetInt32('no_file_2', 'a', toUInt64(9))")
assert get_status("no_file_2") == "FAILED"
# Creating the file source makes the dictionary able to load.
instance.copy_file_to_container(os.path.join(SCRIPT_DIR, "configs/dictionaries/dictionary_preset_file.txt"), "/etc/clickhouse-server/config.d/dictionary_preset_no_file_2.txt")
time.sleep(6);
query("SELECT dictGetInt32('no_file_2', 'a', toUInt64(9))") == "10\n"
assert get_status("no_file_2") == "LOADED"
# Removing the file source should not spoil the loaded dictionary.
instance.exec_in_container("rm /etc/clickhouse-server/config.d/dictionary_preset_no_file_2.txt")
time.sleep(6);
query("SELECT dictGetInt32('no_file_2', 'a', toUInt64(9))") == "10\n"
assert get_status("no_file_2") == "LOADED"