Introduce _splitTerm() for searchFilter service

Moved out from _tokenize() as a separate function to split
a search term properly into filter, term because toObject()
must call this too.

Fix #2142

h/static/scripts/search-filter.coffee

@@ -2,6 +2,22 @@
 # It expects a search query string where the search term are separated by space character
 # and collects them into the given term arrays
 module.exports = class SearchFilter
+  # Splits a search term into filter and data
+  # i.e.
+  #   'user:johndoe' -> ['user', 'johndoe']
+  #   'example:text' -> [null, 'example:text']
+  _splitTerm: (term) ->
+    filter = term.slice 0, term.indexOf ":"
+    unless filter?
+      # The whole term is data
+      return [null, term]
+
+    if filter in ['quote', 'result', 'since', 'tag', 'text', 'uri', 'user']
+      data = term[filter.length+1..]
+      return [filter, data]
+    else
+      # The filter is not a power search filter, so the whole term is data
+      return [null, term]
 
   # This function will slice the search-text input
   # Slice character: space,
@@ -34,12 +50,9 @@ module.exports = class SearchFilter
     # Remove quotes for power search.
     # I.e. 'tag:"foo bar"' -> 'tag:foo bar'
     for token, index in tokens
-      filter = token.slice 0, token.indexOf ":"
-      unless filter? then filter = ""
-
-      if filter in ['quote', 'result', 'since', 'tag', 'text', 'uri', 'user']
-        tokenPart = token[filter.length+1..]
-        tokens[index] = filter + ':' + (_removeQuoteCharacter tokenPart)
+      [filter, data] = @_splitTerm(token)
+      if filter?
+        tokens[index] = filter + ':' + (_removeQuoteCharacter data)
 
     tokens
 
@@ -61,8 +74,8 @@ module.exports = class SearchFilter
     if searchtext
       terms = @_tokenize(searchtext)
       for term in terms
-        [filter, data] = term.split(':')
-        unless data
+        [filter, data] = @_splitTerm(term)
+        unless filter?
           filter = 'any'
           data = term
         addToObj(filterToBackendFilter(filter), data)

h/static/scripts/test/search-filter-test.coffee

+{module, inject} = require('angular-mock')
+
+assert = chai.assert
+sinon.assert.expose assert, prefix: null
+
+describe 'searchFilter', ->
+  sandbox = null
+  searchFilter = null
+
+  before ->
+    angular.module('h', [])
+    .service('searchFilter', require('../search-filter'))
+
+
+  beforeEach module('h')
+
+  beforeEach ->
+    sandbox = sinon.sandbox.create()
+
+  beforeEach inject (_searchFilter_) ->
+    searchFilter = _searchFilter_
+
+  afterEach ->
+    sandbox.restore()
+
+  describe 'toObject', ->
+    it 'puts a simple search string under the any filter', ->
+      query = 'foo'
+      result = searchFilter.toObject(query)
+      assert.equal(result.any[0], query)
+
+    it 'uses the filters as keys in the result object', ->
+      query = 'user:john text:foo quote:bar other'
+      result = searchFilter.toObject(query)
+      assert.equal(result.any[0], 'other')
+      assert.equal(result.user[0], 'john')
+      assert.equal(result.text[0], 'foo')
+      assert.equal(result.quote[0], 'bar')
+
+    it 'collects the same filters into a list', ->
+      query = 'user:john text:foo quote:bar other user:doe text:fuu text:fii'
+      result = searchFilter.toObject(query)
+      assert.equal(result.any[0], 'other')
+      assert.equal(result.user[0], 'john')
+      assert.equal(result.user[1], 'doe')
+      assert.equal(result.text[0], 'foo')
+      assert.equal(result.text[1], 'fuu')
+      assert.equal(result.text[2], 'fii')
+      assert.equal(result.quote[0], 'bar')
+
+    it 'preserves data with semicolon characters', ->
+      query = 'uri:http://test.uri'
+      result = searchFilter.toObject(query)
+      assert.equal(result.uri[0], 'http://test.uri')
+
+    it 'collects valid filters and puts invalid into the any category', ->
+      query = 'uri:test foo:bar text:hey john:doe quote:according hi-fi a:bc'
+      result = searchFilter.toObject(query)
+      assert.isFalse(result.foo?)
+      assert.isFalse(result.john?)
+      assert.isFalse(result.a?)
+      assert.equal(result.uri[0], 'test')
+      assert.equal(result.text[0], 'hey')
+      assert.equal(result.quote[0], 'according')
+      assert.equal(result.any[0], 'foo:bar')
+      assert.equal(result.any[1], 'john:doe')
+      assert.equal(result.any[2], 'hi-fi')
+      assert.equal(result.any[3], 'a:bc')
+