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# Check the basic monitoring and failover capabilities.
source "../tests/includes/init-tests.tcl"
if {$::simulate_error} {
test "This test will fail" {
fail "Simulated error"
}
}
test "Different nodes have different IDs" {
set ids {}
set numnodes 0
foreach_redis_id id {
incr numnodes
# Every node should just know itself.
set nodeid [dict get [get_myself $id] id]
assert {$nodeid ne {}}
lappend ids $nodeid
}
set numids [llength [lsort -unique $ids]]
assert {$numids == $numnodes}
}
test "It is possible to perform slot allocation" {
cluster_allocate_slots 5
}
test "After the join, every node gets a different config epoch" {
set trynum 60
while {[incr trynum -1] != 0} {
# We check that this condition is true for *all* the nodes.
set ok 1 ; # Will be set to 0 every time a node is not ok.
foreach_redis_id id {
set epochs {}
foreach n [get_cluster_nodes $id] {
lappend epochs [dict get $n config_epoch]
}
if {[lsort $epochs] != [lsort -unique $epochs]} {
set ok 0 ; # At least one collision!
}
}
if {$ok} break
after 1000
puts -nonewline .
flush stdout
}
if {$trynum == 0} {
fail "Config epoch conflict resolution is not working."
}
}
test "Nodes should report cluster_state is ok now" {
assert_cluster_state ok
}
test "It is possible to write and read from the cluster" {
set port [get_instance_attrib redis 0 port]
set cluster [redis_cluster 127.0.0.1:$port]
for {set j 0} {$j < 100} {incr j} {
$cluster set key.$j $j
}
for {set j 0} {$j < 100} {incr j} {
assert {[$cluster get key.$j] eq $j}
}
$cluster close
}
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