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// Copyright 2014 Canonical Ltd.
// Licensed under the LGPLv3, see LICENCE file for details.
package keyvalues_test
import (
gc "gopkg.in/check.v1"
"github.com/juju/utils/keyvalues"
)
type keyValuesSuite struct{}
var _ = gc.Suite(&keyValuesSuite{})
var testCases = []struct {
about string
input []string
allowEmptyVal bool
output map[string]string
error string
}{{
about: "simple test case",
input: []string{"key=value"},
allowEmptyVal: false,
output: map[string]string{"key": "value"},
error: "",
}, {
about: "empty list",
input: []string{},
allowEmptyVal: false,
output: map[string]string{},
error: "",
}, {
about: "nil list",
input: nil,
allowEmptyVal: false,
output: map[string]string{},
error: "",
}, {
about: "invalid format - missing value",
input: []string{"key"},
allowEmptyVal: false,
output: nil,
error: `expected "key=value", got "key"`,
}, {
about: "invalid format - missing value",
input: []string{"key="},
allowEmptyVal: false,
output: nil,
error: `expected "key=value", got "key="`,
}, {
about: "invalid format - missing key",
input: []string{"=value"},
allowEmptyVal: false,
output: nil,
error: `expected "key=value", got "=value"`,
}, {
about: "invalid format",
input: []string{"="},
allowEmptyVal: false,
output: nil,
error: `expected "key=value", got "="`,
}, {
about: "invalid format, allowing empty",
input: []string{"="},
allowEmptyVal: true,
output: nil,
error: `expected "key=value", got "="`,
}, {
about: "duplicate keys",
input: []string{"key=value", "key=value"},
allowEmptyVal: true,
output: nil,
error: `key "key" specified more than once`,
}, {
about: "multiple keys",
input: []string{"key=value", "key2=value", "key3=value"},
allowEmptyVal: true,
output: map[string]string{"key": "value", "key2": "value", "key3": "value"},
error: "",
}, {
about: "empty value",
input: []string{"key="},
allowEmptyVal: true,
output: map[string]string{"key": ""},
error: "",
}, {
about: "whitespace trimmed",
input: []string{"key=value\n", "key2\t=\tvalue2"},
allowEmptyVal: true,
output: map[string]string{"key": "value", "key2": "value2"},
error: "",
}, {
about: "whitespace trimming and duplicate keys",
input: []string{"key =value", "key\t=\tvalue2"},
allowEmptyVal: true,
output: nil,
error: `key "key" specified more than once`,
}, {
about: "whitespace trimming and empty value not allowed",
input: []string{"key= "},
allowEmptyVal: false,
output: nil,
error: `expected "key=value", got "key="`,
}, {
about: "whitespace trimming and empty value",
input: []string{"key= "},
allowEmptyVal: true,
output: map[string]string{"key": ""},
error: "",
}, {
about: "whitespace trimming and missing key",
input: []string{" =value"},
allowEmptyVal: true,
output: nil,
error: `expected "key=value", got "=value"`,
}}
func (keyValuesSuite) TestMapParsing(c *gc.C) {
for i, t := range testCases {
c.Logf("test %d: %s", i, t.about)
result, err := keyvalues.Parse(t.input, t.allowEmptyVal)
c.Check(result, gc.DeepEquals, t.output)
if t.error == "" {
c.Check(err, gc.IsNil)
} else {
c.Check(err, gc.ErrorMatches, t.error)
}
}
}
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