feat/version (#2)

Reviewed-on: #2

main_test.go

@@ -13,19 +13,11 @@ import (
 
 // ---- helpers ----------------------------------------------------------------
 
-func mustMarshal(v interface{}) []byte {
-	b, err := json.Marshal(v)
-	if err != nil {
-		panic(err)
-	}
-	return b
-}
-
 func newTestServer(t *testing.T, facts []fact) *httptest.Server {
 	t.Helper()
 	return httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
 		w.Header().Set("Content-Type", "application/json")
-		json.NewEncoder(w).Encode(facts)
+		_ = json.NewEncoder(w).Encode(facts)
 	}))
 }
 
@@ -184,7 +176,7 @@ func TestQueryPuppetDB_HTTPError(t *testing.T) {
 
 func TestQueryPuppetDB_BadJSON(t *testing.T) {
 	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
-		w.Write([]byte("not json"))
+		_, _ = w.Write([]byte("not json"))
 	}))
 	defer srv.Close()
 
@@ -244,8 +236,12 @@ func TestLoadConfig_FileOverride(t *testing.T) {
 	t.Setenv("NODE_LOOKUP_ROLE_FACT", "")
 
 	cfgDir := filepath.Join(dir, appName)
-	os.MkdirAll(cfgDir, 0o755)
-	os.WriteFile(filepath.Join(cfgDir, configFileName), []byte("puppetdb_url: http://file:8080/facts\nrole_fact: file_role\n"), 0o644)
+	if err := os.MkdirAll(cfgDir, 0o755); err != nil {
+		t.Fatal(err)
+	}
+	if err := os.WriteFile(filepath.Join(cfgDir, configFileName), []byte("puppetdb_url: http://file:8080/facts\nrole_fact: file_role\n"), 0o644); err != nil {
+		t.Fatal(err)
+	}
 
 	cfg, err := loadConfig()
 	if err != nil {
@@ -266,8 +262,12 @@ func TestLoadConfig_EnvOverridesFile(t *testing.T) {
 	t.Setenv("NODE_LOOKUP_ROLE_FACT", "")
 
 	cfgDir := filepath.Join(dir, appName)
-	os.MkdirAll(cfgDir, 0o755)
-	os.WriteFile(filepath.Join(cfgDir, configFileName), []byte("puppetdb_url: http://file:8080/facts\n"), 0o644)
+	if err := os.MkdirAll(cfgDir, 0o755); err != nil {
+		t.Fatal(err)
+	}
+	if err := os.WriteFile(filepath.Join(cfgDir, configFileName), []byte("puppetdb_url: http://file:8080/facts\n"), 0o644); err != nil {
+		t.Fatal(err)
+	}
 
 	cfg, err := loadConfig()
 	if err != nil {
@@ -285,8 +285,12 @@ func TestLoadConfig_InvalidYAML(t *testing.T) {
 	t.Setenv("NODE_LOOKUP_ROLE_FACT", "")
 
 	cfgDir := filepath.Join(dir, appName)
-	os.MkdirAll(cfgDir, 0o755)
-	os.WriteFile(filepath.Join(cfgDir, configFileName), []byte(":\tinvalid: yaml:\n"), 0o644)
+	if err := os.MkdirAll(cfgDir, 0o755); err != nil {
+		t.Fatal(err)
+	}
+	if err := os.WriteFile(filepath.Join(cfgDir, configFileName), []byte(":\tinvalid: yaml:\n"), 0o644); err != nil {
+		t.Fatal(err)
+	}
 
 	_, err := loadConfig()
 	if err == nil {
@@ -316,7 +320,9 @@ func TestWriteDefaultConfig_AlreadyExists(t *testing.T) {
 	dir := t.TempDir()
 	t.Setenv("XDG_CONFIG_HOME", dir)
 
-	writeDefaultConfig()
+	if err := writeDefaultConfig(); err != nil {
+		t.Fatal(err)
+	}
 	err := writeDefaultConfig()
 	if err == nil {
 		t.Fatal("expected error when config already exists")