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// Licensed under the Apache License, Version 2.0 (the "License"); you may not
// use this file except in compliance with the License. You may obtain a copy of
// the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations under
// the License.
couchTests.view_errors = function(debug) {
var db = new CouchDB("test_suite_db", {"X-Couch-Full-Commit":"true"});
db.deleteDb();
db.createDb();
if (debug) debugger;
run_on_modified_server(
[{section: "couchdb",
key: "os_process_timeout",
value: "500"}],
function() {
var doc = {integer: 1, string: "1", array: [1, 2, 3]};
T(db.save(doc).ok);
// emitting a key value that is undefined should result in that row
// being included in the view results as null
var results = db.query(function(doc) {
emit(doc.undef, null);
});
T(results.total_rows == 1);
T(results.rows[0].key == null);
// if a view function throws an exception, its results are not included in
// the view index, but the view does not itself raise an error
var results = db.query(function(doc) {
doc.undef(); // throws an error
});
T(results.total_rows == 0);
// if a view function includes an undefined value in the emitted key or
// value, it is treated as null
var results = db.query(function(doc) {
emit([doc._id, doc.undef], null);
});
T(results.total_rows == 1);
T(results.rows[0].key[1] == null);
// querying a view with invalid params should give a resonable error message
var xhr = CouchDB.request("POST", "/test_suite_db/_temp_view?startkey=foo", {
headers: {"Content-Type": "application/json"},
body: JSON.stringify({language: "javascript",
map : "function(doc){emit(doc.integer)}"
})
});
T(JSON.parse(xhr.responseText).error == "bad_request");
// content type must be json
var xhr = CouchDB.request("POST", "/test_suite_db/_temp_view", {
headers: {"Content-Type": "application/x-www-form-urlencoded"},
body: JSON.stringify({language: "javascript",
map : "function(doc){}"
})
});
T(xhr.status == 415);
var map = function (doc) {emit(doc.integer, doc.integer);};
try {
db.query(map, null, {group: true});
T(0 == 1);
} catch(e) {
T(e.error == "query_parse_error");
}
var designDoc = {
_id:"_design/test",
language: "javascript",
views: {
"no_reduce": {map:"function(doc) {emit(doc._id, null);}"},
"with_reduce": {
map:"function (doc) {emit(doc.integer, doc.integer)};",
reduce:"function (keys, values) { return sum(values); };"}
}
};
T(db.save(designDoc).ok);
var designDoc2 = {
_id:"_design/testbig",
language: "javascript",
views: {
"reduce_too_big" : {
map:"function (doc) {emit(doc.integer, doc.integer)};",
reduce:"function (keys, values) { var chars = []; for (var i=0; i < 1000; i++) {chars.push('wazzap');};return chars; };"}
}
};
T(db.save(designDoc2).ok);
try {
db.view("test/no_reduce", {group: true});
T(0 == 1);
} catch(e) {
T(db.last_req.status == 400);
T(e.error == "query_parse_error");
}
try {
db.view("test/no_reduce", {group_level: 1});
T(0 == 1);
} catch(e) {
T(db.last_req.status == 400);
T(e.error == "query_parse_error");
}
try {
db.view("test/no_reduce", {reduce: true});
T(0 == 1);
} catch(e) {
T(db.last_req.status == 400);
T(e.error == "query_parse_error");
}
db.view("test/no_reduce", {reduce: false});
TEquals(200, db.last_req.status, "reduce=false for map views (without"
+ " group or group_level) is allowed");
try {
db.view("test/with_reduce", {group: true, reduce: false});
T(0 == 1);
} catch(e) {
T(db.last_req.status == 400);
T(e.error == "query_parse_error");
}
try {
db.view("test/with_reduce", {group_level: 1, reduce: false});
T(0 == 1);
} catch(e) {
T(db.last_req.status == 400);
T(e.error == "query_parse_error");
}
var designDoc3 = {
_id:"_design/infinite",
language: "javascript",
views: {
"infinite_loop" :{map:"function(doc) {while(true){emit(doc,doc);}};"}
}
};
T(db.save(designDoc3).ok);
try {
db.view("infinite/infinite_loop");
T(0 == 1);
} catch(e) {
T(e.error == "os_process_error");
}
// Check error responses for invalid multi-get bodies.
var path = "/test_suite_db/_design/test/_view/no_reduce";
var xhr = CouchDB.request("POST", path, {body: "[]"});
T(xhr.status == 400);
result = JSON.parse(xhr.responseText);
T(result.error == "bad_request");
T(result.reason == "Request body must be a JSON object");
var data = "{\"keys\": 1}";
xhr = CouchDB.request("POST", path, {body:data});
T(xhr.status == 400);
result = JSON.parse(xhr.responseText);
T(result.error == "bad_request");
T(result.reason == "`keys` member must be a array.");
// if the reduce grows to fast, throw an overflow error
var path = "/test_suite_db/_design/testbig/_view/reduce_too_big";
xhr = CouchDB.request("GET", path);
T(xhr.status == 500);
result = JSON.parse(xhr.responseText);
T(result.error == "reduce_overflow_error");
});
};
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