test: check_tuples_not_expired_by_timestamp

Transferring the taptest to the luatest testing system with renaming the
tests and using the existing spaces in helpers.

Check that after run tuples is not expired. Let's make sure that after
the expiration starts, no tuples will be archived since the timestamp
has an advantage of 2 seconds.

Updated test's name:

- not expired task -> test_check_tuples_not_expired_by_timestamp

Part of #61

Co-authored-by: Oleg Jukovec <oleg.jukovec@gmail.com>

test.lua

@@ -272,49 +272,16 @@ init_box()
 
 -- ========================================================================= --
 -- TAP TESTS:
--- 1. not expire test,
--- 2. kill zombie test
--- 3. multiple expires test
--- 4. default drop function test
--- 5. restart test
--- 6. complex key test
--- 7. delays and scan callbacks test
--- 8. error callback test
+-- 1. kill zombie test
+-- 2. multiple expires test
+-- 3. default drop function test
+-- 4. restart test
+-- 5. complex key test
+-- 6. delays and scan callbacks test
+-- 7. error callback test
 -- ========================================================================= --
 
-test:plan(8)
-
-test:test("not expired task",  function(test)
-    test:plan(2)
-
-    truncate(space_id)
-
-    local tuples_count = 5
-    local time = fiber.time()
-    for i = 1, tuples_count do
-        add_entry(space_id, i, get_email(i), time + 2)
-    end
-
-    expirationd.start(
-        "test",
-        space_id,
-        check_tuple_expire_by_timestamp,
-        {
-            process_expired_tuple = put_tuple_to_archive,
-            args = {
-                field_no = 3,
-                archive_space_id = archive_space_id,
-            },
-        }
-    )
-    local task = expirationd.task("test")
-    -- after run tuples is not expired
-    test:is(task.expired_tuples_count, 0, 'checking expired tuples empty')
-    -- wait 3 seconds and check: all tuples must be expired
-    fiber.sleep(3)
-    test:is(task.expired_tuples_count, tuples_count, 'checking expired tuples count')
-    expirationd.kill("test")
-end)
+test:plan(7)
 
 test:test("zombie task kill", function(test)
     test:plan(4)

test/unit/expiration_process_test.lua

@@ -171,3 +171,44 @@ function g.test_broken_process_expired_tuple(cg)
         t.assert_ge(full_scan_counter, 3)
     end)
 end
+
+function g.test_check_tuples_not_expired_by_timestamp(cg)
+    local space = cg.space
+    local space_archive = cg.space_archive
+    local task_name = cg.task_name
+
+    local total = 5
+    local time = fiber.time()
+    for i = 1, total do
+        space:insert({i, tostring(i), time + 2})
+    end
+
+    cg.full_scan_counter = 0
+    cg.task = expirationd.start(task_name, space.id, check_tuple_expire_by_timestamp,
+        {
+            process_expired_tuple = put_tuple_to_archive,
+            args = {
+                field_no = 3,
+                archive_space_id = space_archive.id
+            },
+            on_full_scan_complete = function()
+                cg.full_scan_counter = cg.full_scan_counter + 1
+            end
+        })
+    local task = cg.task
+
+    -- Tuples are not expired after run.
+    -- Сheck that after the expiration starts,
+    -- no tuples will be archived since the timestamp has an advantage of 2 seconds.
+    helpers.retrying({}, function()
+        t.assert(cg.full_scan_counter > 0)
+        t.assert_equals(task.expired_tuples_count, 0)
+        t.assert_equals(space_archive:count(), 0)
+    end)
+
+    -- Wait and check: all tuples must be expired.
+    helpers.retrying({}, function()
+        t.assert_equals(task.expired_tuples_count, total)
+        t.assert_equals(space_archive:count(), total)
+    end)
+end