diff --git a/internal/module/test/db-sqlite_test.go b/internal/module/test/db-sqlite_test.go
new file mode 100644
index 0000000..b4e2f9d
--- /dev/null
+++ b/internal/module/test/db-sqlite_test.go
@@ -0,0 +1,87 @@
+package module_test
+
+import (
+	"testing"
+
+	"github.com/jwetzell/showbridge-go/internal/config"
+	"github.com/jwetzell/showbridge-go/internal/module"
+)
+
+func TestDbSqliteFromRegistry(t *testing.T) {
+	registration, ok := module.ModuleRegistry["db.sqlite"]
+	if !ok {
+		t.Fatalf("db.sqlite module not registered")
+	}
+
+	moduleInstance, err := registration.New(config.ModuleConfig{
+		Id:   "test",
+		Type: "db.sqlite",
+		Params: map[string]any{
+			"dsn": ":memory:",
+		},
+	})
+
+	if err != nil {
+		t.Fatalf("failed to create db.sqlite module: %s", err)
+	}
+
+	if moduleInstance.Id() != "test" {
+		t.Fatalf("db.sqlite module has wrong id: %s", moduleInstance.Id())
+	}
+
+	if moduleInstance.Type() != "db.sqlite" {
+		t.Fatalf("db.sqlite module has wrong type: %s", moduleInstance.Type())
+	}
+}
+
+func TestBadDbSqlite(t *testing.T) {
+	tests := []struct {
+		name        string
+		params      map[string]any
+		errorString string
+	}{
+		{
+			name:        "no dsn param",
+			params:      map[string]any{},
+			errorString: "db.sqlite dsn error: not found",
+		},
+		{
+			name:        "non-string dsn",
+			params:      map[string]any{"dsn": 123},
+			errorString: "db.sqlite dsn error: not a string",
+		},
+	}
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+
+			registration, ok := module.ModuleRegistry["db.sqlite"]
+			if !ok {
+				t.Fatalf("db.sqlite module not registered")
+			}
+
+			moduleInstance, err := registration.New(config.ModuleConfig{
+				Id:     "test",
+				Type:   "db.sqlite",
+				Params: test.params,
+			})
+
+			if err != nil {
+				if test.errorString != err.Error() {
+					t.Fatalf("db.sqlite got error '%s', expected '%s'", err.Error(), test.errorString)
+				}
+				return
+			}
+
+			err = moduleInstance.Start(t.Context())
+
+			if err == nil {
+				t.Fatalf("db.sqlite expected to fail")
+			}
+
+			if err.Error() != test.errorString {
+				t.Fatalf("db.sqlite got error '%s', expected '%s'", err.Error(), test.errorString)
+			}
+		})
+	}
+}
diff --git a/internal/module/test/redis-client_test.go b/internal/module/test/redis-client_test.go
new file mode 100644
index 0000000..0f34247
--- /dev/null
+++ b/internal/module/test/redis-client_test.go
@@ -0,0 +1,108 @@
+package module_test
+
+import (
+	"testing"
+
+	"github.com/jwetzell/showbridge-go/internal/config"
+	"github.com/jwetzell/showbridge-go/internal/module"
+)
+
+func TestRedisClientFromRegistry(t *testing.T) {
+	registration, ok := module.ModuleRegistry["redis.client"]
+	if !ok {
+		t.Fatalf("redis.client module not registered")
+	}
+
+	moduleInstance, err := registration.New(config.ModuleConfig{
+		Id:   "test",
+		Type: "redis.client",
+		Params: map[string]any{
+			"host": "localhost",
+			"port": 6379,
+		},
+	})
+
+	if err != nil {
+		t.Fatalf("failed to create redis.client module: %s", err)
+	}
+
+	if moduleInstance.Id() != "test" {
+		t.Fatalf("redis.client module has wrong id: %s", moduleInstance.Id())
+	}
+
+	if moduleInstance.Type() != "redis.client" {
+		t.Fatalf("redis.client module has wrong type: %s", moduleInstance.Type())
+	}
+}
+
+func TestBadRedisClient(t *testing.T) {
+	tests := []struct {
+		name        string
+		params      map[string]any
+		errorString string
+	}{
+		{
+			name: "no host param",
+			params: map[string]any{
+				"port": 6379,
+			},
+			errorString: "redis.client host error: not found",
+		},
+		{
+			name: "non-string host",
+			params: map[string]any{
+				"host": 123,
+				"port": 6379,
+			},
+			errorString: "redis.client host error: not a string",
+		},
+		{
+			name: "no port param",
+			params: map[string]any{
+				"host": "localhost",
+			},
+			errorString: "redis.client port error: not found",
+		},
+		{
+			name: "non-number port",
+			params: map[string]any{
+				"host": "localhost",
+				"port": "6379",
+			},
+			errorString: "redis.client port error: not a number",
+		},
+	}
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+
+			registration, ok := module.ModuleRegistry["redis.client"]
+			if !ok {
+				t.Fatalf("redis.client module not registered")
+			}
+
+			moduleInstance, err := registration.New(config.ModuleConfig{
+				Id:     "test",
+				Type:   "redis.client",
+				Params: test.params,
+			})
+
+			if err != nil {
+				if test.errorString != err.Error() {
+					t.Fatalf("redis.client got error '%s', expected '%s'", err.Error(), test.errorString)
+				}
+				return
+			}
+
+			err = moduleInstance.Start(t.Context())
+
+			if err == nil {
+				t.Fatalf("redis.client expected to fail")
+			}
+
+			if err.Error() != test.errorString {
+				t.Fatalf("redis.client got error '%s', expected '%s'", err.Error(), test.errorString)
+			}
+		})
+	}
+}