tag_test.go

package exql_test

import (
	"testing"

	"github.com/loilo-inc/exql/v2"
	"github.com/stretchr/testify/assert"
)

func TestParseTags(t *testing.T) {
	t.Run("basic", func(t *testing.T) {
		tags, err := exql.ParseTags("a:1;b:2;c:3")
		assert.NoError(t, err)
		assert.Equal(t, len(tags), 3)
		assert.Equal(t, "1", tags["a"])
		assert.Equal(t, "2", tags["b"])
		assert.Equal(t, "3", tags["c"])
	})
	t.Run("key only", func(t *testing.T) {
		tags, err := exql.ParseTags("a;b;c;")
		assert.NoError(t, err)
		assert.Equal(t, len(tags), 3)
		assert.Equal(t, "", tags["a"])
		assert.Equal(t, "", tags["b"])
		assert.Equal(t, "", tags["c"])
	})
	assertInvalid := func(s string, e string) {
		tags, err := exql.ParseTags(s)
		assert.Nil(t, tags)
		assert.EqualError(t, err, e)
	}
	t.Run("should return error for duplicate tag", func(t *testing.T) {
		assertInvalid("a:1;a:2", "duplicated tag: a")
		assertInvalid("a;a;", "duplicated tag: a")
	})
	t.Run("should return error if tag is empty", func(t *testing.T) {
		assertInvalid(";", "invalid tag format")
		assertInvalid("", "invalid tag format")
		assertInvalid(";:;", "invalid tag format")
		assertInvalid(":::", "invalid tag format")
		assertInvalid(";;;", "invalid tag format")
	})
}