1 files changed, 138 insertions, 0 deletions
diff --git a/src/go/collectors/go.d.plugin/agent/filestatus/store_test.go b/src/go/collectors/go.d.plugin/agent/filestatus/store_test.go
new file mode 100644
index 000000000..fbf7d339b
--- /dev/null
+++ b/src/go/collectors/go.d.plugin/agent/filestatus/store_test.go
@@ -0,0 +1,138 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+package filestatus
+
+import (
+	"testing"
+
+	"github.com/netdata/netdata/go/go.d.plugin/agent/confgroup"
+
+	"github.com/stretchr/testify/assert"
+)
+
+// TODO: tech debt
+func TestLoadStore(t *testing.T) {
+
+}
+
+// TODO: tech debt
+func TestStore_Contains(t *testing.T) {
+
+}
+
+func TestStore_add(t *testing.T) {
+	tests := map[string]struct {
+		prepare      func() *Store
+		input        confgroup.Config
+		wantItemsNum int
+	}{
+		"add cfg to the empty store": {
+			prepare: func() *Store {
+				return &Store{}
+			},
+			input: prepareConfig(
+				"module", "modName",
+				"name", "jobName",
+			),
+			wantItemsNum: 1,
+		},
+		"add cfg that already in the store": {
+			prepare: func() *Store {
+				return &Store{
+					items: map[string]map[string]string{
+						"modName": {"jobName:18299273693089411682": "state"},
+					},
+				}
+			},
+			input: prepareConfig(
+				"module", "modName",
+				"name", "jobName",
+			),
+			wantItemsNum: 1,
+		},
+		"add cfg with same module, same name, but specific options": {
+			prepare: func() *Store {
+				return &Store{
+					items: map[string]map[string]string{
+						"modName": {"jobName:18299273693089411682": "state"},
+					},
+				}
+			},
+			input: prepareConfig(
+				"module", "modName",
+				"name", "jobName",
+				"opt", "val",
+			),
+			wantItemsNum: 2,
+		},
+	}
+
+	for name, test := range tests {
+		t.Run(name, func(t *testing.T) {
+			s := test.prepare()
+			s.add(test.input, "state")
+			assert.Equal(t, test.wantItemsNum, calcStoreItems(s))
+		})
+	}
+}
+
+func TestStore_remove(t *testing.T) {
+	tests := map[string]struct {
+		prepare      func() *Store
+		input        confgroup.Config
+		wantItemsNum int
+	}{
+		"remove cfg from the empty store": {
+			prepare: func() *Store {
+				return &Store{}
+			},
+			input: prepareConfig(
+				"module", "modName",
+				"name", "jobName",
+			),
+			wantItemsNum: 0,
+		},
+		"remove cfg from the store": {
+			prepare: func() *Store {
+				return &Store{
+					items: map[string]map[string]string{
+						"modName": {
+							"jobName:18299273693089411682": "state",
+							"jobName:18299273693089411683": "state",
+						},
+					},
+				}
+			},
+			input: prepareConfig(
+				"module", "modName",
+				"name", "jobName",
+			),
+			wantItemsNum: 1,
+		},
+	}
+
+	for name, test := range tests {
+		t.Run(name, func(t *testing.T) {
+			s := test.prepare()
+			s.remove(test.input)
+			assert.Equal(t, test.wantItemsNum, calcStoreItems(s))
+		})
+	}
+}
+
+func calcStoreItems(s *Store) (num int) {
+	for _, v := range s.items {
+		for range v {
+			num++
+		}
+	}
+	return num
+}
+
+func prepareConfig(values ...string) confgroup.Config {
+	cfg := confgroup.Config{}
+	for i := 1; i < len(values); i += 2 {
+		cfg[values[i-1]] = values[i]
+	}
+	return cfg
+}