diff --git a/.github/workflows/actions.yaml b/.github/workflows/actions.yaml
index cd3897a..c7490f9 100644
--- a/.github/workflows/actions.yaml
+++ b/.github/workflows/actions.yaml
@@ -30,3 +30,19 @@ jobs:
         uses: golangci/golangci-lint-action@v2
         with:
           args: --timeout 300s
+  test:
+    name: test
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/setup-go@v2
+        with:
+          go-version: '1.21.3'
+      - name: Check out code into the Go module directory
+        uses: actions/checkout@v2
+      - name: Run tests
+        run: go test -coverpkg=./... -coverprofile coverage.txt -v ./...
+      - name: Upload coverage reports to Codecov
+        uses: codecov/codecov-action@v4.0.1
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}
+          slug: QuokkaStake/cosmos-validators-exporter
diff --git a/.gitignore b/.gitignore
index 47e626f..1bf2b5f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,3 +3,4 @@ config*.toml
 cosmos-validators-exporter
 .idea/
 dist/
+cover.out
diff --git a/Makefile b/Makefile
index b5cdca7..d81865f 100644
--- a/Makefile
+++ b/Makefile
@@ -9,3 +9,9 @@ install:
 
 lint:
 	golangci-lint run --fix ./...
+
+test:
+	go test -coverpkg=./... -coverprofile cover.out -v ./...
+
+coverage:
+	go tool cover -html=cover.out
diff --git a/pkg/generators/balance_test.go b/pkg/generators/balance_test.go
new file mode 100644
index 0000000..80f88fb
--- /dev/null
+++ b/pkg/generators/balance_test.go
@@ -0,0 +1,40 @@
+package generators
+
+import (
+	"main/pkg/constants"
+	"main/pkg/fetchers"
+	statePkg "main/pkg/state"
+	"main/pkg/types"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestBalanceGeneratorNoState(t *testing.T) {
+	t.Parallel()
+
+	state := statePkg.NewState()
+	generator := NewBalanceGenerator()
+	results := generator.Generate(state)
+	assert.Empty(t, results)
+}
+
+func TestBlockSetValidators(t *testing.T) {
+	t.Parallel()
+
+	state := statePkg.NewState()
+	state.Set(constants.FetcherNameBalance, fetchers.BalanceData{
+		Balances: map[string]map[string][]types.Amount{
+			"chain": {
+				"validator": {
+					{Amount: 100, Denom: "uatom"},
+					{Amount: 200, Denom: "ustake"},
+				},
+			},
+		},
+	})
+
+	generator := NewBalanceGenerator()
+	results := generator.Generate(state)
+	assert.NotEmpty(t, results)
+}