Improve test cases across subpackages

README.md

@@ -18,7 +18,7 @@
 
 ### Work in progress
 
-- POSIX-compliant flags feature is partial. Please see [issue #3](https://github.com/joseluisq/cline/issues/3)
+- POSIX-compliant flags support is partial. Please see [issue #3](https://github.com/joseluisq/cline/issues/3)
 - Subcommands are not supported yet.
 
 ## Usage

cline.go

@@ -1 +1,4 @@
+// Package cline provides command line interface utilities.
+// It includes application and command handling, flag parsing, and output formatting.
+// Additional functionalities can be found in sub-packages.
 package cline

flag/types_test.go

@@ -27,15 +27,15 @@ func TestFlagInt_init(t *testing.T) {
 		fields fields
 	}{
 		{
-			name: "initialize FlagInt by default value",
+			name: "should initialize FlagInt by default value",
 			fields: fields{
 				Name:      "a",
 				Value:     2,
 				FlagValue: "2",
 			},
 		},
 		{
-			name: "initialize FlagInt by env value",
+			name: "should initialize FlagInt by env value",
 			fields: fields{
 				Name:      "b",
 				Value:     1,
@@ -44,7 +44,7 @@ func TestFlagInt_init(t *testing.T) {
 			},
 		},
 		{
-			name: "initialize FlagInt with wrong env value",
+			name: "should initialize FlagInt with wrong env value",
 			fields: fields{
 				Name:      "b",
 				Aliases:   []string{"x", "y"},
@@ -94,23 +94,23 @@ func TestFlagBool_init(t *testing.T) {
 		fields fields
 	}{
 		{
-			name: "initialize FlagBool by default value",
+			name: "should initialize FlagBool by default value",
 			fields: fields{
 				Name:      "a",
 				Value:     true,
 				FlagValue: "true",
 			},
 		},
 		{
-			name: "initialize FlagBool by env value",
+			name: "should initialize FlagBool by env value",
 			fields: fields{
 				Name:      "b",
 				EnvVar:    "ENV_BOOL_VAR_OK",
 				FlagValue: "true",
 			},
 		},
 		{
-			name: "initialize FlagBool with wrong env value",
+			name: "should initialize FlagBool with wrong env value",
 			fields: fields{
 				Name:      "b",
 				EnvVar:    "ENV_BOOL_VAR_ERR",
@@ -158,23 +158,23 @@ func TestFlagString_init(t *testing.T) {
 		fields fields
 	}{
 		{
-			name: "initialize FlagString by default value",
+			name: "should initialize FlagString by default value",
 			fields: fields{
 				Name:      "a",
 				Value:     "str",
 				FlagValue: "str",
 			},
 		},
 		{
-			name: "initialize FlagString by env value",
+			name: "should initialize FlagString by env value",
 			fields: fields{
 				Name:      "b",
 				EnvVar:    "ENV_STRING_VAR_OK",
 				FlagValue: "str",
 			},
 		},
 		{
-			name: "initialize FlagString with wrong env value",
+			name: "should initialize FlagString with wrong env value",
 			fields: fields{
 				Name:   "b",
 				EnvVar: "ENV_STRING_VAR_ERR",
@@ -221,21 +221,21 @@ func TestFlagStringSlice_init(t *testing.T) {
 		fields fields
 	}{
 		{
-			name: "initialize FlagString by default value",
+			name: "should initialize FlagString by default value",
 			fields: fields{
 				Name: "a",
 			},
 		},
 		{
-			name: "initialize FlagString by env value",
+			name: "should initialize FlagString by env value",
 			fields: fields{
 				Name:      "b",
 				EnvVar:    "ENV_STRING_SLICE_VAR_OK",
 				FlagValue: flag.Value("A,b,C,d,E"),
 			},
 		},
 		{
-			name: "initialize FlagString with wrong env value",
+			name: "should initialize FlagString with wrong env value",
 			fields: fields{
 				Name:   "b",
 				EnvVar: "ENV_STRING_SLICE_VAR_ERR",