add module handler test

session/module_handler_test.go

@@ -0,0 +1,212 @@
+package session
+
+import (
+	"reflect"
+	"regexp"
+	"testing"
+)
+
+func TestNewModuleHandler(t *testing.T) {
+	type args struct {
+		name string
+		expr string
+		desc string
+		exec func(args []string) error
+	}
+	tests := []struct {
+		name string
+		args args
+		want ModuleHandler
+	}{
+		{
+			name: "Test NewModuleHandler empty expr",
+			args: args{name: "test name", desc: "test description"},
+			want: ModuleHandler{Name: "test name", Description: "test description"},
+		},
+		{
+			name: "Test NewModuleHandler normal",
+			args: args{name: "test name", desc: "test description", expr: `[a-z]`},
+			want: ModuleHandler{Name: "test name", Description: "test description", Parser: regexp.MustCompile(`[a-z]`)},
+		},
+		// this test shoud handle panic on bad regexp ?
+		// {
+		// 	name: "Test NewModuleHandler bad regex expr",
+		// 	args: args{name: "test name", desc: "test description", expr: "/abcd.(]"},
+		// 	want: ModuleHandler{Name: "test name", Description: "test description"},
+		// },
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			m := NewModuleHandler(tt.args.name, tt.args.expr, tt.args.desc, tt.args.exec)
+			if m.Parser != nil {
+				if tt.args.expr == "" {
+					t.Errorf("If no regexp were provided, should got nil parser but got %+v", m.Parser)
+				}
+				if m.Parser.String() != tt.want.Parser.String() {
+					t.Errorf("Wrong parser, got %+v want %+v", m.Parser.String(), tt.want.Parser.String())
+				}
+			}
+		})
+	}
+}
+
+func TestModuleHandler_Help(t *testing.T) {
+	type fields struct {
+		Name        string
+		Description string
+		Parser      *regexp.Regexp
+		Exec        func(args []string) error
+	}
+	type args struct {
+		padding int
+	}
+	tests := []struct {
+		name   string
+		fields fields
+		args   args
+		want   string
+	}{
+		{
+			name:   "Test help with no padding",
+			fields: fields{Name: "no-padding", Description: "Test without padding"},
+			args:   args{padding: 0},
+			want:   "  \033[1mno-padding\033[0m : Test without padding\n",
+		},
+		{
+			name:   "Test help with non-needed padding",
+			fields: fields{Name: "non-needed padding", Description: "Test with non needed padding (5)"},
+			args:   args{padding: 5},
+			want:   "  \033[1mnon-needed padding\033[0m : Test with non needed padding (5)\n",
+		},
+		{
+			name:   "Test help with 20 padding",
+			fields: fields{Name: "padding", Description: "Test with 20 padding"},
+			args:   args{padding: 20},
+			want:   "  \033[1m             padding\033[0m : Test with 20 padding\n",
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			h := &ModuleHandler{
+				Name:        tt.fields.Name,
+				Description: tt.fields.Description,
+				Parser:      tt.fields.Parser,
+				Exec:        tt.fields.Exec,
+			}
+			if got := h.Help(tt.args.padding); got != tt.want {
+				t.Errorf("ModuleHandler.Help() = \n%v, want\n%v", got, tt.want)
+			}
+		})
+	}
+}
+
+func TestModuleHandler_Parse(t *testing.T) {
+	type fields struct {
+		Name        string
+		Description string
+		Parser      *regexp.Regexp
+		Exec        func(args []string) error
+	}
+	type args struct {
+		line string
+	}
+	tests := []struct {
+		name   string
+		fields fields
+		args   args
+		want   bool
+		want1  []string
+	}{
+		{
+			name:   "check parse on nil parser match name",
+			fields: fields{Name: "parser", Description: "description of the parser", Parser: nil},
+			args:   args{line: "parser"},
+			want:   true,
+			want1:  nil,
+		},
+		{
+			name:   "check parse on nil parser no match name",
+			fields: fields{Name: "parser", Description: "description of the parser", Parser: nil},
+			args:   args{line: "wrongname"},
+			want:   false,
+			want1:  nil,
+		},
+		{
+			name:   "check parse on existing parser",
+			fields: fields{Name: "parser", Description: "description of the parser", Parser: regexp.MustCompile("(abcd)")},
+			args:   args{line: "lol abcd lol"},
+			want:   true,
+			want1:  []string{"abcd"},
+		},
+		{
+			name:   "check parse on existing parser",
+			fields: fields{Name: "parser", Description: "description of the parser", Parser: regexp.MustCompile("(abcd)")},
+			args:   args{line: "no match"},
+			want:   false,
+			want1:  nil,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			h := &ModuleHandler{
+				Name:        tt.fields.Name,
+				Description: tt.fields.Description,
+				Parser:      tt.fields.Parser,
+				Exec:        tt.fields.Exec,
+			}
+			got, got1 := h.Parse(tt.args.line)
+			if got != tt.want {
+				t.Errorf("ModuleHandler.Parse() got = %v, want %v", got, tt.want)
+			}
+			if !reflect.DeepEqual(got1, tt.want1) {
+				t.Errorf("ModuleHandler.Parse() got1 = %v, want %v", got1, tt.want1)
+			}
+		})
+	}
+}
+
+func TestModuleHandler_MarshalJSON(t *testing.T) {
+	type fields struct {
+		Name        string
+		Description string
+		Parser      *regexp.Regexp
+		Exec        func(args []string) error
+	}
+	tests := []struct {
+		name    string
+		fields  fields
+		want    []byte
+		wantErr bool
+	}{
+		{
+			name:    "generating JSON with empty parser",
+			fields:  fields{Name: "test name", Description: "test description", Parser: nil},
+			want:    []byte(`{"name":"test name","description":"test description","parser":""}`),
+			wantErr: false,
+		},
+		{
+			name:    "generating JSON with parser",
+			fields:  fields{Name: "test name", Description: "test description", Parser: regexp.MustCompile("abcd")},
+			want:    []byte(`{"name":"test name","description":"test description","parser":"abcd"}`),
+			wantErr: false,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			h := ModuleHandler{
+				Name:        tt.fields.Name,
+				Description: tt.fields.Description,
+				Parser:      tt.fields.Parser,
+				Exec:        tt.fields.Exec,
+			}
+			got, err := h.MarshalJSON()
+			if (err != nil) != tt.wantErr {
+				t.Errorf("ModuleHandler.MarshalJSON() error = %v, wantErr %v", err, tt.wantErr)
+				return
+			}
+			if string(got) != string(tt.want) {
+				t.Errorf("ModuleHandler.MarshalJSON() = \n%+v, want \n%+v", string(got), string(tt.want))
+			}
+		})
+	}
+}