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init_test.go
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init_test.go
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package filter
import (
"errors"
"github.com/caddyserver/caddy"
"github.com/caddyserver/caddy/caddyhttp/httpserver"
. "gopkg.in/check.v1"
"regexp"
"regexp/syntax"
)
type initTest struct{}
func init() {
Suite(&initTest{})
}
func (s *initTest) Test_setup(c *C) {
controller := s.newControllerFor("filter rule {\npath myPath\ncontent_type myContentType\nsearch_pattern mySearchPattern\nreplacement myReplacement\n}\n")
err := setup(controller)
c.Assert(err, IsNil)
config := httpserver.GetConfig(controller)
middlewares := config.Middleware()
c.Assert(len(middlewares), Equals, 1)
handler, ok := middlewares[0](newMockHandler("moo", 200)).(*filterHandler)
c.Assert(ok, Equals, true)
c.Assert(len(handler.rules), Equals, 1)
r := handler.rules[0]
c.Assert(r.path.String(), Equals, "myPath")
c.Assert(r.contentType.String(), Equals, "myContentType")
c.Assert(r.pathAndContentTypeCombination, Equals, pathAndContentTypeAndCombination)
c.Assert(r.searchPattern.String(), Equals, "mySearchPattern")
c.Assert(string(r.replacement), Equals, "myReplacement")
}
func (s *initTest) Test_parseConfiguration_withPathAndContentTypeCombination(c *C) {
controller := s.newControllerFor("filter rule {\npath myPath\ncontent_type myContentType\nsearch_pattern mySearchPattern\nreplacement myReplacement\n}\n")
err := setup(controller)
c.Assert(err, IsNil)
handler, ok := httpserver.GetConfig(controller).Middleware()[0](newMockHandler("moo", 200)).(*filterHandler)
c.Assert(ok, Equals, true)
c.Assert(len(handler.rules), Equals, 1)
c.Assert(handler.rules[0].pathAndContentTypeCombination, Equals, pathAndContentTypeAndCombination)
controller = s.newControllerFor("filter rule {\npath_content_type_combination or\npath myPath\ncontent_type myContentType\nsearch_pattern mySearchPattern\n}\n")
err = setup(controller)
c.Assert(err, IsNil)
handler, ok = httpserver.GetConfig(controller).Middleware()[0](newMockHandler("moo", 200)).(*filterHandler)
c.Assert(ok, Equals, true)
c.Assert(len(handler.rules), Equals, 1)
c.Assert(handler.rules[0].pathAndContentTypeCombination, Equals, pathAndContentTypeOrCombination)
controller = s.newControllerFor("filter rule {\npath_content_type_combination and\npath myPath\ncontent_type myContentType\nsearch_pattern mySearchPattern\n}\n")
err = setup(controller)
c.Assert(err, IsNil)
handler, ok = httpserver.GetConfig(controller).Middleware()[0](newMockHandler("moo", 200)).(*filterHandler)
c.Assert(ok, Equals, true)
c.Assert(len(handler.rules), Equals, 1)
c.Assert(handler.rules[0].pathAndContentTypeCombination, Equals, pathAndContentTypeAndCombination)
controller = s.newControllerFor("filter rule {\npath_content_type_combination foo\npath myPath\ncontent_type myContentType\nsearch_pattern mySearchPattern\n}\n")
err = setup(controller)
c.Assert(err, NotNil)
c.Assert(err.Error(), Equals, "Testfile:2 - Error during parsing: Illegal value for 'path_content_type_combination': foo")
}
func (s *initTest) Test_parseConfiguration_directNamed(c *C) {
handler, err := parseConfiguration(s.newControllerFor("filter rule {\npath myPath\ncontent_type myContentType\nsearch_pattern mySearchPattern\nreplacement myReplacement\n}\n"))
c.Assert(err, IsNil)
c.Assert(len(handler.rules), Equals, 1)
r := handler.rules[0]
c.Assert(r.path.String(), Equals, "myPath")
c.Assert(r.contentType.String(), Equals, "myContentType")
c.Assert(r.searchPattern.String(), Equals, "mySearchPattern")
c.Assert(string(r.replacement), Equals, "myReplacement")
handler, err = parseConfiguration(s.newControllerFor(
"filter rule {\npath myPath\nsearch_pattern mySearchPattern\n}\n" +
"filter rule {\npath myPath2\nsearch_pattern mySearchPattern2\n}\n" +
"filter max_buffer_size 666\n"),
)
c.Assert(err, IsNil)
c.Assert(len(handler.rules), Equals, 2)
r = handler.rules[0]
c.Assert(r.path.String(), Equals, "myPath")
c.Assert(r.searchPattern.String(), Equals, "mySearchPattern")
r = handler.rules[1]
c.Assert(r.path.String(), Equals, "myPath2")
c.Assert(r.searchPattern.String(), Equals, "mySearchPattern2")
c.Assert(handler.maximumBufferSize, Equals, 666)
}
func (s *initTest) Test_parseConfiguration_withReplacementFromFile(c *C) {
handler, err := parseConfiguration(s.newControllerFor("filter rule {\npath myPath\ncontent_type myContentType\nsearch_pattern mySearchPattern\nreplacement @resources/test/testReplacement\n}\n"))
c.Assert(err, IsNil)
c.Assert(len(handler.rules), Equals, 1)
r := handler.rules[0]
c.Assert(r.path.String(), Equals, "myPath")
c.Assert(r.contentType.String(), Equals, "myContentType")
c.Assert(r.searchPattern.String(), Equals, "mySearchPattern")
c.Assert(string(r.replacement), Equals, "Replacement from file.\n")
}
func (s *initTest) Test_evalSimpleOption(c *C) {
err := evalSimpleOption(s.newControllerFor("\"my value\""), func(value string) error {
c.Assert(value, Equals, "my value")
return nil
})
c.Assert(err, IsNil)
err = evalSimpleOption(s.newControllerFor(""), func(value string) error {
c.Error("This method should not be called.")
return nil
})
c.Assert(err, DeepEquals, errors.New("Testfile:1 - Error during parsing: Wrong argument count or unexpected line ending after 'start'"))
}
func (s *initTest) Test_evalRegexpOption(c *C) {
err := evalRegexpOption(s.newControllerFor("f.*bar"), func(value *regexp.Regexp) error {
c.Assert(value.MatchString("foobar"), Equals, true)
return nil
})
c.Assert(err, IsNil)
err = evalRegexpOption(s.newControllerFor("<???"), func(value *regexp.Regexp) error {
c.Error("This method should not be called.")
return nil
})
c.Assert(err, DeepEquals, &syntax.Error{Code: "invalid nested repetition operator", Expr: "???"})
}
func (s *initTest) Test_evalPath(c *C) {
r := new(rule)
err := evalPath(s.newControllerFor("f.*bar"), r)
c.Assert(err, IsNil)
c.Assert(r.path.String(), Equals, "f.*bar")
}
func (s *initTest) Test_evalContentType(c *C) {
r := new(rule)
err := evalContentType(s.newControllerFor("f.*bar"), r)
c.Assert(err, IsNil)
c.Assert(r.contentType.String(), Equals, "f.*bar")
}
func (s *initTest) Test_searchPattern(c *C) {
r := new(rule)
err := evalSearchPattern(s.newControllerFor("f.*bar"), r)
c.Assert(err, IsNil)
c.Assert(r.searchPattern.String(), Equals, "f.*bar")
}
func (s *initTest) Test_evalReplacement(c *C) {
r := new(rule)
err := evalReplacement(s.newControllerFor("foobar"), r)
c.Assert(err, IsNil)
c.Assert(string(r.replacement), Equals, "foobar")
}
func (s *initTest) Test_evalRule(c *C) {
handler := new(filterHandler)
err := evalRule(s.newControllerFor("{\npath myPath\ncontent_type myContentType\nsearch_pattern mySearchPattern\nreplacement myReplacement\n}\n"), []string{}, handler)
c.Assert(err, IsNil)
c.Assert(len(handler.rules), Equals, 1)
r := handler.rules[0]
c.Assert(r.path.String(), Equals, "myPath")
c.Assert(r.contentType.String(), Equals, "myContentType")
c.Assert(r.searchPattern.String(), Equals, "mySearchPattern")
c.Assert(string(r.replacement), Equals, "myReplacement")
err = evalRule(s.newControllerFor("{\nfoo bar\n}\n"), []string{}, handler)
c.Assert(err, DeepEquals, errors.New("Testfile:2 - Error during parsing: Unknown option: foo"))
err = evalRule(s.newControllerFor("{\n}\n"), []string{}, handler)
c.Assert(err, DeepEquals, errors.New("Testfile:2 - Error during parsing: Neither 'path' nor 'content_type' definition was provided for filter rule block."))
err = evalRule(s.newControllerFor("{\npath myPath\n}\n"), []string{}, handler)
c.Assert(err, DeepEquals, errors.New("Testfile:3 - Error during parsing: No 'search_pattern' definition was provided for filter rule block."))
err = evalRule(s.newControllerFor(""), []string{"foo"}, handler)
c.Assert(err, DeepEquals, errors.New("Testfile:1 - Error during parsing: No more arguments for filter block 'rule' supported."))
}
func (s *initTest) Test_evalMaximumBufferSize(c *C) {
handler := new(filterHandler)
err := evalMaximumBufferSize(s.newControllerFor(""), []string{"123"}, handler)
c.Assert(err, IsNil)
c.Assert(handler.maximumBufferSize, Equals, 123)
err = evalMaximumBufferSize(s.newControllerFor(""), []string{}, handler)
c.Assert(err, DeepEquals, errors.New("Testfile:1 - Error during parsing: There are exact one argument for filter directive 'max_buffer_size' expected."))
err = evalMaximumBufferSize(s.newControllerFor(""), []string{"abc"}, handler)
c.Assert(err, ErrorMatches, "Testfile:1 - Error during parsing: There is no valid value for filter directive 'max_buffer_size' provided. Got: strconv.(ParseInt|Atoi): parsing \"abc\": invalid syntax")
}
func (s *initTest) newControllerFor(plainTokens string) *caddy.Controller {
controller := caddy.NewTestController("http", "start "+plainTokens)
if !controller.Next() {
panic("There must be an entry.")
}
return controller
}