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configparser_test.go
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package configparser_test
import (
"io"
"os"
"path"
"strings"
"testing"
. "gopkg.in/check.v1"
"github.com/bigkevmcd/go-configparser"
)
func Test(t *testing.T) { TestingT(t) }
type ConfigParserSuite struct {
p *configparser.ConfigParser
}
var _ = Suite(&ConfigParserSuite{})
func (s *ConfigParserSuite) SetUpTest(c *C) {
s.p, _ = configparser.NewConfigParserFromFile("testdata/example.cfg")
}
// NewWithDefaults should add defaults to the configuration
func (s *ConfigParserSuite) TestNewWithDefaults(c *C) {
n := make(configparser.Dict)
n["testing"] = "value"
p, err := configparser.NewWithDefaults(n)
c.Assert(err, IsNil)
d := p.Defaults()
c.Assert(d["testing"], Equals, "value")
}
// NewWithDefaults should copy the items from the provided map
func (s *ConfigParserSuite) TestNewWithDefaultsCopied(c *C) {
n := make(configparser.Dict)
n["testing"] = "value"
p, err := configparser.NewWithDefaults(n)
c.Assert(err, IsNil)
n["testing2"] = "myvalue"
d := p.Defaults()
c.Assert(d["testing2"], Equals, "")
}
// SaveWithDelimiter(filename) should write the current state of the
// configuration to the provided filename with the specified delimiter
func (s *ConfigParserSuite) TestSaveWithDelimiter(c *C) {
p := configparser.New()
err := p.AddSection("testing")
c.Assert(err, IsNil)
err = p.Set("testing", "myoption", "value")
c.Assert(err, IsNil)
err = p.AddSection("othersection")
c.Assert(err, IsNil)
err = p.Set("othersection", "newoption", "novalue")
c.Assert(err, IsNil)
err = p.Set("othersection", "myoption", "myvalue")
c.Assert(err, IsNil)
tempfile := path.Join(c.MkDir(), "config.cfg")
err = p.SaveWithDelimiter(tempfile, "=")
c.Assert(err, IsNil)
f, err := os.Open(tempfile)
c.Assert(err, IsNil)
data, err := io.ReadAll(f)
c.Assert(err, IsNil)
f.Close()
c.Assert(string(data), Equals, "[othersection]\nmyoption = myvalue\nnewoption = novalue\n\n[testing]\nmyoption = value\n\n")
}
// Save(filename) should correctly write out the defaults section with the
// defaults
func (s *ConfigParserSuite) TestSaveWithDelimiterAndDefaults(c *C) {
n := make(configparser.Dict)
n["testing"] = "value"
p, err := configparser.NewWithDefaults(n)
c.Assert(err, IsNil)
err = p.AddSection("testing")
c.Assert(err, IsNil)
err = p.Set("testing", "myoption", "value")
c.Assert(err, IsNil)
err = p.AddSection("othersection")
c.Assert(err, IsNil)
err = p.Set("othersection", "newoption", "novalue")
c.Assert(err, IsNil)
err = p.Set("othersection", "myoption", "myvalue")
c.Assert(err, IsNil)
tempfile := path.Join(c.MkDir(), "config.cfg")
err = p.SaveWithDelimiter(tempfile, "=")
c.Assert(err, IsNil)
f, err := os.Open(tempfile)
c.Assert(err, IsNil)
data, err := io.ReadAll(f)
c.Assert(err, IsNil)
f.Close()
c.Assert(string(data), Equals, "[DEFAULT]\ntesting = value\n\n[othersection]\nmyoption = myvalue\nnewoption = novalue\n\n[testing]\nmyoption = value\n\n")
}
// ParseFromReader() parses the Config data from an io.Reader.
func (s *ConfigParserSuite) TestParseFromReader(c *C) {
parsed, err := configparser.ParseReader(strings.NewReader("[DEFAULT]\ntesting = value\n\n[othersection]\nmyoption = myvalue\nnewoption = novalue\nfinal = foo[bar]\n\n[testing]\nmyoption = value\nemptyoption\n\n"))
c.Assert(err, IsNil)
result, err := parsed.Items("othersection")
c.Assert(err, IsNil)
c.Assert(result, DeepEquals, configparser.Dict{
"myoption": "myvalue",
"newoption": "novalue",
"final": "foo[bar]",
})
}
// TestMultilineValue tests multiline value parsing.
func (s *ConfigParserSuite) TestMultilineValue(c *C) {
parsed, err := configparser.ParseReader(
strings.NewReader(`[DEFAULT]
testing = multiline
value
myoption = another
multiline
value
broken_option = this value will miss
its multiline
`),
)
c.Assert(err, IsNil)
result, err := parsed.Items("DEFAULT")
c.Assert(err, IsNil)
c.Assert(result, DeepEquals, configparser.Dict{
"testing": "multiline\nvalue",
"myoption": "another\nmultiline\nvalue",
"broken_option": "this value will miss",
})
}
func (s *ConfigParserSuite) TestKeyValueRegexError(c *C) {
p := configparser.NewWithOptions(configparser.Delimiters("=-"))
err := p.ParseReader(strings.NewReader(""))
c.Assert(err, ErrorMatches, ".*error parsing regexp: invalid escape sequence.*")
}
func (s *ConfigParserSuite) TestKeyNoValueRegexError(c *C) {
p := configparser.NewWithOptions(
configparser.Delimiters("\\"),
configparser.AllowNoValue,
)
err := p.ParseReader(strings.NewReader(""))
c.Assert(err, ErrorMatches, ".*error parsing regexp: missing closing ].*")
}
func assertSuccessful(c *C, err error) {
c.Assert(err, IsNil)
}