Add gc auto test

License: MIT
Signed-off-by: rht <rhtbot@gmail.com>

test/sharness/t0082-repo-gc-auto.sh

+#!/bin/sh
+#
+# MIT Licensed; see the LICENSE file in this repository.
+#
+
+test_description="Test ipfs repo auto gc"
+
+. lib/test-lib.sh
+
+check_ipfs_storage() {
+    ipfs config Datastore.StorageMax
+}
+
+test_init_ipfs
+
+test_expect_success "generate 2 600 kB files and 2 MB file using go-random" '
+    random 600k 41 >600k1 &&
+    random 600k 42 >600k2 &&
+    random 2M 43 >2M
+'
+
+test_expect_success "set ipfs gc watermark, storage max, and gc timeout" '
+    test_config_set Datastore.StorageMax "2MB" &&
+    test_config_set --json Datastore.StorageGCWatermark 60 &&
+    test_config_set Datastore.GCPeriod "20ms"
+'
+
+test_launch_ipfs_daemon --enable-gc
+
+test_gc() {
+    test_expect_success "adding data below watermark doesn't trigger auto gc" '
+        ipfs add 600k1 >/dev/null &&
+        disk_usage "$IPFS_PATH/blocks" >expected &&
+        go-sleep 40ms &&
+        disk_usage "$IPFS_PATH/blocks" >actual &&
+        test_cmp expected actual
+    '
+
+    test_expect_success "adding data beyond watermark triggers auto gc" '
+        HASH=`ipfs add -q 600k2` &&
+        ipfs pin rm -r $HASH &&
+        go-sleep 40ms &&
+        DU=$(disk_usage "$IPFS_PATH/blocks") &&
+        if test $(uname -s) = "Darwin"; then
+            test "$DU" -lt 1400  # 60% of 2MB
+        else
+            test "$DU" -lt 1000000
+        fi
+    '
+}
+
+#TODO: conditional GC test is disabled due to files size bug in ipfs add
+#test_expect_success "adding data beyond storageMax fails" '
+#    test_must_fail ipfs add 2M 2>add_fail_out
+#'
+#test_expect_success "ipfs add not enough space message looks good" '
+#    echo "Error: file size exceeds slack space allowed by storageMax. Maybe unpin some files?" >add_fail_exp &&
+#    test_cmp add_fail_exp add_fail_out
+#'
+
+test_expect_success "periodic auto gc stress test" '
+    for i in $(test_seq 1 20)
+    do
+        test_gc
+    done
+'
+
+test_kill_ipfs_daemon
+
+test_done