if_test.go

Documentation: golang.org/x/net/webdav

     1  // Copyright 2014 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  package webdav
     6  
     7  import (
     8  	"reflect"
     9  	"strings"
    10  	"testing"
    11  )
    12  
    13  func TestParseIfHeader(t *testing.T) {
    14  	// The "section x.y.z" test cases come from section x.y.z of the spec at
    15  	// http://www.webdav.org/specs/rfc4918.html
    16  	testCases := []struct {
    17  		desc  string
    18  		input string
    19  		want  ifHeader
    20  	}{{
    21  		"bad: empty",
    22  		``,
    23  		ifHeader{},
    24  	}, {
    25  		"bad: no parens",
    26  		`foobar`,
    27  		ifHeader{},
    28  	}, {
    29  		"bad: empty list #1",
    30  		`()`,
    31  		ifHeader{},
    32  	}, {
    33  		"bad: empty list #2",
    34  		`(a) (b c) () (d)`,
    35  		ifHeader{},
    36  	}, {
    37  		"bad: no list after resource #1",
    38  		`<foo>`,
    39  		ifHeader{},
    40  	}, {
    41  		"bad: no list after resource #2",
    42  		`<foo> <bar> (a)`,
    43  		ifHeader{},
    44  	}, {
    45  		"bad: no list after resource #3",
    46  		`<foo> (a) (b) <bar>`,
    47  		ifHeader{},
    48  	}, {
    49  		"bad: no-tag-list followed by tagged-list",
    50  		`(a) (b) <foo> (c)`,
    51  		ifHeader{},
    52  	}, {
    53  		"bad: unfinished list",
    54  		`(a`,
    55  		ifHeader{},
    56  	}, {
    57  		"bad: unfinished ETag",
    58  		`([b`,
    59  		ifHeader{},
    60  	}, {
    61  		"bad: unfinished Notted list",
    62  		`(Not a`,
    63  		ifHeader{},
    64  	}, {
    65  		"bad: double Not",
    66  		`(Not Not a)`,
    67  		ifHeader{},
    68  	}, {
    69  		"good: one list with a Token",
    70  		`(a)`,
    71  		ifHeader{
    72  			lists: []ifList{{
    73  				conditions: []Condition{{
    74  					Token: `a`,
    75  				}},
    76  			}},
    77  		},
    78  	}, {
    79  		"good: one list with an ETag",
    80  		`([a])`,
    81  		ifHeader{
    82  			lists: []ifList{{
    83  				conditions: []Condition{{
    84  					ETag: `a`,
    85  				}},
    86  			}},
    87  		},
    88  	}, {
    89  		"good: one list with three Nots",
    90  		`(Not a Not b Not [d])`,
    91  		ifHeader{
    92  			lists: []ifList{{
    93  				conditions: []Condition{{
    94  					Not:   true,
    95  					Token: `a`,
    96  				}, {
    97  					Not:   true,
    98  					Token: `b`,
    99  				}, {
   100  					Not:  true,
   101  					ETag: `d`,
   102  				}},
   103  			}},
   104  		},
   105  	}, {
   106  		"good: two lists",
   107  		`(a) (b)`,
   108  		ifHeader{
   109  			lists: []ifList{{
   110  				conditions: []Condition{{
   111  					Token: `a`,
   112  				}},
   113  			}, {
   114  				conditions: []Condition{{
   115  					Token: `b`,
   116  				}},
   117  			}},
   118  		},
   119  	}, {
   120  		"good: two Notted lists",
   121  		`(Not a) (Not b)`,
   122  		ifHeader{
   123  			lists: []ifList{{
   124  				conditions: []Condition{{
   125  					Not:   true,
   126  					Token: `a`,
   127  				}},
   128  			}, {
   129  				conditions: []Condition{{
   130  					Not:   true,
   131  					Token: `b`,
   132  				}},
   133  			}},
   134  		},
   135  	}, {
   136  		"section 7.5.1",
   137  		`<http://www.example.com/users/f/fielding/index.html> 
   138  			(<urn:uuid:f81d4fae-7dec-11d0-a765-00a0c91e6bf6>)`,
   139  		ifHeader{
   140  			lists: []ifList{{
   141  				resourceTag: `http://www.example.com/users/f/fielding/index.html`,
   142  				conditions: []Condition{{
   143  					Token: `urn:uuid:f81d4fae-7dec-11d0-a765-00a0c91e6bf6`,
   144  				}},
   145  			}},
   146  		},
   147  	}, {
   148  		"section 7.5.2 #1",
   149  		`(<urn:uuid:150852e2-3847-42d5-8cbe-0f4f296f26cf>)`,
   150  		ifHeader{
   151  			lists: []ifList{{
   152  				conditions: []Condition{{
   153  					Token: `urn:uuid:150852e2-3847-42d5-8cbe-0f4f296f26cf`,
   154  				}},
   155  			}},
   156  		},
   157  	}, {
   158  		"section 7.5.2 #2",
   159  		`<http://example.com/locked/>
   160  			(<urn:uuid:150852e2-3847-42d5-8cbe-0f4f296f26cf>)`,
   161  		ifHeader{
   162  			lists: []ifList{{
   163  				resourceTag: `http://example.com/locked/`,
   164  				conditions: []Condition{{
   165  					Token: `urn:uuid:150852e2-3847-42d5-8cbe-0f4f296f26cf`,
   166  				}},
   167  			}},
   168  		},
   169  	}, {
   170  		"section 7.5.2 #3",
   171  		`<http://example.com/locked/member>
   172  			(<urn:uuid:150852e2-3847-42d5-8cbe-0f4f296f26cf>)`,
   173  		ifHeader{
   174  			lists: []ifList{{
   175  				resourceTag: `http://example.com/locked/member`,
   176  				conditions: []Condition{{
   177  					Token: `urn:uuid:150852e2-3847-42d5-8cbe-0f4f296f26cf`,
   178  				}},
   179  			}},
   180  		},
   181  	}, {
   182  		"section 9.9.6",
   183  		`(<urn:uuid:fe184f2e-6eec-41d0-c765-01adc56e6bb4>) 
   184  			(<urn:uuid:e454f3f3-acdc-452a-56c7-00a5c91e4b77>)`,
   185  		ifHeader{
   186  			lists: []ifList{{
   187  				conditions: []Condition{{
   188  					Token: `urn:uuid:fe184f2e-6eec-41d0-c765-01adc56e6bb4`,
   189  				}},
   190  			}, {
   191  				conditions: []Condition{{
   192  					Token: `urn:uuid:e454f3f3-acdc-452a-56c7-00a5c91e4b77`,
   193  				}},
   194  			}},
   195  		},
   196  	}, {
   197  		"section 9.10.8",
   198  		`(<urn:uuid:e71d4fae-5dec-22d6-fea5-00a0c91e6be4>)`,
   199  		ifHeader{
   200  			lists: []ifList{{
   201  				conditions: []Condition{{
   202  					Token: `urn:uuid:e71d4fae-5dec-22d6-fea5-00a0c91e6be4`,
   203  				}},
   204  			}},
   205  		},
   206  	}, {
   207  		"section 10.4.6",
   208  		`(<urn:uuid:181d4fae-7d8c-11d0-a765-00a0c91e6bf2> 
   209  			["I am an ETag"])
   210  			(["I am another ETag"])`,
   211  		ifHeader{
   212  			lists: []ifList{{
   213  				conditions: []Condition{{
   214  					Token: `urn:uuid:181d4fae-7d8c-11d0-a765-00a0c91e6bf2`,
   215  				}, {
   216  					ETag: `"I am an ETag"`,
   217  				}},
   218  			}, {
   219  				conditions: []Condition{{
   220  					ETag: `"I am another ETag"`,
   221  				}},
   222  			}},
   223  		},
   224  	}, {
   225  		"section 10.4.7",
   226  		`(Not <urn:uuid:181d4fae-7d8c-11d0-a765-00a0c91e6bf2> 
   227  			<urn:uuid:58f202ac-22cf-11d1-b12d-002035b29092>)`,
   228  		ifHeader{
   229  			lists: []ifList{{
   230  				conditions: []Condition{{
   231  					Not:   true,
   232  					Token: `urn:uuid:181d4fae-7d8c-11d0-a765-00a0c91e6bf2`,
   233  				}, {
   234  					Token: `urn:uuid:58f202ac-22cf-11d1-b12d-002035b29092`,
   235  				}},
   236  			}},
   237  		},
   238  	}, {
   239  		"section 10.4.8",
   240  		`(<urn:uuid:181d4fae-7d8c-11d0-a765-00a0c91e6bf2>) 
   241  			(Not <DAV:no-lock>)`,
   242  		ifHeader{
   243  			lists: []ifList{{
   244  				conditions: []Condition{{
   245  					Token: `urn:uuid:181d4fae-7d8c-11d0-a765-00a0c91e6bf2`,
   246  				}},
   247  			}, {
   248  				conditions: []Condition{{
   249  					Not:   true,
   250  					Token: `DAV:no-lock`,
   251  				}},
   252  			}},
   253  		},
   254  	}, {
   255  		"section 10.4.9",
   256  		`</resource1> 
   257  			(<urn:uuid:181d4fae-7d8c-11d0-a765-00a0c91e6bf2> 
   258  			[W/"A weak ETag"]) (["strong ETag"])`,
   259  		ifHeader{
   260  			lists: []ifList{{
   261  				resourceTag: `/resource1`,
   262  				conditions: []Condition{{
   263  					Token: `urn:uuid:181d4fae-7d8c-11d0-a765-00a0c91e6bf2`,
   264  				}, {
   265  					ETag: `W/"A weak ETag"`,
   266  				}},
   267  			}, {
   268  				resourceTag: `/resource1`,
   269  				conditions: []Condition{{
   270  					ETag: `"strong ETag"`,
   271  				}},
   272  			}},
   273  		},
   274  	}, {
   275  		"section 10.4.10",
   276  		`<http://www.example.com/specs/> 
   277  			(<urn:uuid:181d4fae-7d8c-11d0-a765-00a0c91e6bf2>)`,
   278  		ifHeader{
   279  			lists: []ifList{{
   280  				resourceTag: `http://www.example.com/specs/`,
   281  				conditions: []Condition{{
   282  					Token: `urn:uuid:181d4fae-7d8c-11d0-a765-00a0c91e6bf2`,
   283  				}},
   284  			}},
   285  		},
   286  	}, {
   287  		"section 10.4.11 #1",
   288  		`</specs/rfc2518.doc> (["4217"])`,
   289  		ifHeader{
   290  			lists: []ifList{{
   291  				resourceTag: `/specs/rfc2518.doc`,
   292  				conditions: []Condition{{
   293  					ETag: `"4217"`,
   294  				}},
   295  			}},
   296  		},
   297  	}, {
   298  		"section 10.4.11 #2",
   299  		`</specs/rfc2518.doc> (Not ["4217"])`,
   300  		ifHeader{
   301  			lists: []ifList{{
   302  				resourceTag: `/specs/rfc2518.doc`,
   303  				conditions: []Condition{{
   304  					Not:  true,
   305  					ETag: `"4217"`,
   306  				}},
   307  			}},
   308  		},
   309  	}}
   310  
   311  	for _, tc := range testCases {
   312  		got, ok := parseIfHeader(strings.Replace(tc.input, "\n", "", -1))
   313  		if gotEmpty := reflect.DeepEqual(got, ifHeader{}); gotEmpty == ok {
   314  			t.Errorf("%s: should be different: empty header == %t, ok == %t", tc.desc, gotEmpty, ok)
   315  			continue
   316  		}
   317  		if !reflect.DeepEqual(got, tc.want) {
   318  			t.Errorf("%s:\ngot  %v\nwant %v", tc.desc, got, tc.want)
   319  			continue
   320  		}
   321  	}
   322  }
   323
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