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// Copyright 2016 Canonical Ltd.
// Licensed under the LGPLv3, see LICENCE file for details.
package utils_test
import (
"net/url"
jujutesting "github.com/juju/testing"
gc "gopkg.in/check.v1"
"github.com/juju/utils"
)
type relativeURLSuite struct {
jujutesting.LoggingSuite
}
var _ = gc.Suite(&relativeURLSuite{})
var relativeURLTests = []struct {
base string
target string
expect string
expectError string
}{{
expectError: "non-absolute base URL",
}, {
base: "/foo",
expectError: "non-absolute target URL",
}, {
base: "foo",
expectError: "non-absolute base URL",
}, {
base: "/foo",
target: "foo",
expectError: "non-absolute target URL",
}, {
base: "/foo",
target: "/bar",
expect: "bar",
}, {
base: "/foo/",
target: "/bar",
expect: "../bar",
}, {
base: "/bar",
target: "/foo/",
expect: "foo/",
}, {
base: "/foo/",
target: "/bar/",
expect: "../bar/",
}, {
base: "/foo/bar",
target: "/bar/",
expect: "../bar/",
}, {
base: "/foo/bar/",
target: "/bar/",
expect: "../../bar/",
}, {
base: "/foo/bar/baz",
target: "/foo/targ",
expect: "../targ",
}, {
base: "/foo/bar/baz/frob",
target: "/foo/bar/one/two/",
expect: "../one/two/",
}, {
base: "/foo/bar/baz/",
target: "/foo/targ",
expect: "../../targ",
}, {
base: "/foo/bar/baz/frob/",
target: "/foo/bar/one/two/",
expect: "../../one/two/",
}, {
base: "/foo/bar",
target: "/foot/bar",
expect: "../foot/bar",
}, {
base: "/foo/bar/baz/frob",
target: "/foo/bar",
expect: "../../bar",
}, {
base: "/foo/bar/baz/frob/",
target: "/foo/bar",
expect: "../../../bar",
}, {
base: "/foo/bar/baz/frob/",
target: "/foo/bar/",
expect: "../../",
}, {
base: "/foo/bar/baz",
target: "/foo/bar/other",
expect: "other",
}, {
base: "/foo/bar/",
target: "/foo/bar/",
expect: ".",
}, {
base: "/foo/bar",
target: "/foo/bar",
expect: "bar",
}, {
base: "/foo/bar/",
target: "/foo/bar/",
expect: ".",
}, {
base: "/foo/bar",
target: "/foo/",
expect: ".",
}, {
base: "/foo",
target: "/",
expect: ".",
}, {
base: "/foo/",
target: "/",
expect: "../",
}, {
base: "/foo/bar",
target: "/",
expect: "../",
}, {
base: "/foo/bar/",
target: "/",
expect: "../../",
}}
func (*relativeURLSuite) TestRelativeURL(c *gc.C) {
for i, test := range relativeURLTests {
c.Logf("test %d: %q %q", i, test.base, test.target)
// Sanity check the test itself.
if test.expectError == "" {
baseURL := &url.URL{Path: test.base}
expectURL := &url.URL{Path: test.expect}
targetURL := baseURL.ResolveReference(expectURL)
c.Check(targetURL.Path, gc.Equals, test.target, gc.Commentf("resolve reference failure (%q + %q != %q)", test.base, test.expect, test.target))
}
result, err := utils.RelativeURLPath(test.base, test.target)
if test.expectError != "" {
c.Assert(err, gc.ErrorMatches, test.expectError)
c.Assert(result, gc.Equals, "")
} else {
c.Assert(err, gc.IsNil)
c.Check(result, gc.Equals, test.expect)
}
}
}
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