chore: add mocked cache

src/environment.go

@@ -102,10 +102,8 @@ func (c *commandCache) get(command string) (string, bool) {
 	if !found {
 		return "", false
 	}
-	if command, ok := cmd.(string); ok {
-		return command, true
-	}
-	return "", false
+	command, ok := cmd.(string)
+	return command, ok
 }
 
 type tracer struct {

src/environment_cache.go

@@ -40,8 +40,7 @@ func (fc *fileCache) init(home string) {
 }
 
 func (fc *fileCache) close() {
-	fc.set("hello", "world", 200)
-	if dump, err := json.Marshal(fc.cache.list()); err == nil {
+	if dump, err := json.MarshalIndent(fc.cache.list(), "", "    "); err == nil {
 		_ = ioutil.WriteFile(fc.home+cachePath, dump, 0644)
 	}
 }

src/environment_cache_mock_test.go

@@ -0,0 +1,44 @@
+package main
+
+import mock "github.com/stretchr/testify/mock"
+
+// MockedCache is an autogenerated mock type for the cache type
+type MockedCache struct {
+	mock.Mock
+}
+
+// close provides a mock function with given fields:
+func (_m *MockedCache) close() {
+	_m.Called()
+}
+
+// get provides a mock function with given fields: key
+func (_m *MockedCache) get(key string) (string, bool) {
+	ret := _m.Called(key)
+
+	var r0 string
+	if rf, ok := ret.Get(0).(func(string) string); ok {
+		r0 = rf(key)
+	} else {
+		r0 = ret.Get(0).(string)
+	}
+
+	var r1 bool
+	if rf, ok := ret.Get(1).(func(string) bool); ok {
+		r1 = rf(key)
+	} else {
+		r1 = ret.Get(1).(bool)
+	}
+
+	return r0, r1
+}
+
+// init provides a mock function with given fields: home
+func (_m *MockedCache) init(home string) {
+	_m.Called(home)
+}
+
+// set provides a mock function with given fields: key, value, ttl
+func (_m *MockedCache) set(key, value string, ttl int64) {
+	_m.Called(key, value, ttl)
+}