foo.diff

diff --git a/.travis.yml b/.travis.yml
index 2e605fe7..7fc7455b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -24,6 +24,7 @@ before_script:
 
 script:
 - flake8
+- pytest --cov=usaspending_api
 - python manage.py migrate
 - psql $DATABASE_URL -f usaspending_api/database_scripts/matviews/functions_and_enums.sql
 - python usaspending_api/database_scripts/matview_generator/matview_sql_generator.py --dest='temp_sql/'
@@ -37,7 +38,6 @@ script:
 - psql $DATABASE_URL -f temp_sql/summary_view_naics_codes.sql -v ON_ERROR_STOP=1
 - psql $DATABASE_URL -f temp_sql/summary_view_psc_codes.sql -v ON_ERROR_STOP=1
 - psql $DATABASE_URL -f temp_sql/summary_view.sql -v ON_ERROR_STOP=1
-- pytest --cov=usaspending_api
 
 
 after_success:
diff --git a/usaspending_api/api_docs/api_documentation/advanced_award_search/spending_by_transaction.md b/usaspending_api/api_docs/api_documentation/advanced_award_search/spending_by_transaction.md
index 1eb75c8a..ee1613dc 100644
--- a/usaspending_api/api_docs/api_documentation/advanced_award_search/spending_by_transaction.md
+++ b/usaspending_api/api_docs/api_documentation/advanced_award_search/spending_by_transaction.md
@@ -7,7 +7,7 @@ This route takes keyword search terms and returns awards where a certain subset
 ### Request
 fields: An array of string column names to return. See Fields list below.
 
-filters: An object with `keywords` and `award_type_codes` keys. `keywords` should be an array of strings that you are performing a keyword search operation with. `award_type_codes` is an array of strings of the award type codes that should be searched within.
+filters: An object with `keyword` and `award_type_codes` keys. `keyword` should be a string that you are performing a keyword search operation with. `award_type_codes` is an array of strings of the award type codes that should be searched within.
 
 A list of award type codes can be found at http://fedspendingtransparency.github.io/whitepapers/types/
 [Filter Object](../search_filters.md)
@@ -23,7 +23,7 @@ order (**OPTIONAL**): Optional parameter indicating what direction results shoul
 ```
 {
     "filters": {
-        "keywords": ["money","government"],
+        "keyword": "money",
         "award_type_codes": [
             "A",
             "B",
diff --git a/usaspending_api/api_docs/api_documentation/advanced_award_search/spending_by_transaction_count.md b/usaspending_api/api_docs/api_documentation/advanced_award_search/spending_by_transaction_count.md
index 6c904904..158800c9 100644
--- a/usaspending_api/api_docs/api_documentation/advanced_award_search/spending_by_transaction_count.md
+++ b/usaspending_api/api_docs/api_documentation/advanced_award_search/spending_by_transaction_count.md
@@ -3,17 +3,17 @@
 
 **Method:** `POST`
 
-This route takes keyword search fields, and returns the fields of the searched term(s).
+This route takes keyword search fields, and returns the fields of the searched term.
 
 ### Request
 **field** - Defines what award variables are returned.
 
-**keywords** - search term(s) used to query the database.
+**keyword** - search term used to query the database.
 
 ```
 {
     "filters": {
-        "keywords": ["Education"],
+        "keyword": "Education",
         "award_type": "prime", // future enhancement
         "description_only": true // future enhancement
     }
diff --git a/usaspending_api/api_docs/api_documentation/advanced_award_search/transaction_spending_summary.md b/usaspending_api/api_docs/api_documentation/advanced_award_search/transaction_spending_summary.md
index d6821b80..4bda17bc 100644
--- a/usaspending_api/api_docs/api_documentation/advanced_award_search/transaction_spending_summary.md
+++ b/usaspending_api/api_docs/api_documentation/advanced_award_search/transaction_spending_summary.md
@@ -16,7 +16,7 @@ filters: Defines how the awards are filtered.  The filter object is defined here
 ```
 {
     "filters": {
-        "keywords": ["booz allen"],
+        "keyword": "booz allen",
         "agencies": [
             {
                  "type": "awarding",
diff --git a/usaspending_api/api_docs/api_documentation/search_filters.md b/usaspending_api/api_docs/api_documentation/search_filters.md
index 06bedd82..1e70c081 100644
--- a/usaspending_api/api_docs/api_documentation/search_filters.md
+++ b/usaspending_api/api_docs/api_documentation/search_filters.md
@@ -4,7 +4,7 @@
 
 ```
 {
-	"keywords": ["example search text"],
+	"keyword": "example search text",
 	"time_period": [
 		{
 			"start_date": "2001-01-01",
@@ -92,7 +92,7 @@ Keys in a location object include:
 
 ## Keyword Search
 
-**Description:** Search is based on a list of string inputs.
+**Description:** Search is based on a single string input.
 
 **TODO:**
 1. Determine what backend fields are being searched against.
@@ -100,15 +100,12 @@ Keys in a location object include:
 **Example Request:**
 ```
 {
-	"keywords": ["example search text", "more search text"]
+	"keyword": "example search text"
 }
 ```
 
-
 Request parameter description:
-* `keywords` (List) : List containing one or more strings to search for. Also the top level key name for the filter.
-
-**NOTE: `keyword` (singluar), which accepts a string rather than a list, is being deprecated, but will continue to function until the API is moved to v3**
+* `keyword` (String) : String containing the search text. Also the top level key name for the filter.
 
 ## Time Period
 
@@ -218,7 +215,7 @@ Request parameter description:
 **Example Request:**
 ```
 {
-	"recipient_search_text": ["D12345678", "Department of Defense"]
+	"recipient_search_text": ["D12345678"]
 }
 ```
 
diff --git a/usaspending_api/awards/v2/filters/filter_helpers.py b/usaspending_api/awards/v2/filters/filter_helpers.py
index a893ed50..7ecdcec6 100644
--- a/usaspending_api/awards/v2/filters/filter_helpers.py
+++ b/usaspending_api/awards/v2/filters/filter_helpers.py
@@ -182,24 +182,3 @@ def can_use_total_obligation_enum(amount_obj):
     except Exception:
         pass
     return False
-
-
-def transform_keyword(request, api_version):
-    filter_obj = request.data.get("filters", None)
-    if filter_obj:
-        if "keyword" not in filter_obj and "keywords" not in filter_obj:
-            return request
-        keyword_array_passed = filter_obj.get('keywords', False)
-        filter_obj.pop("keywords", None)
-        if api_version < 3:
-            keyword_string_passed = filter_obj.get('keyword', False)
-            keyword = keyword_array_passed if keyword_array_passed else [keyword_string_passed]
-        else:
-            if keyword_array_passed:
-                keyword = keyword_array_passed
-            else:
-                raise InvalidParameterException("'keyword' is deprecated. Please use 'keywords'. "
-                                                + "See documentation for more information.")
-        filter_obj['keyword'] = keyword
-        request.data["filters"] = filter_obj
-    return request
diff --git a/usaspending_api/awards/v2/filters/matview_filters.py b/usaspending_api/awards/v2/filters/matview_filters.py
index 7fcb9382..f29205d5 100644
--- a/usaspending_api/awards/v2/filters/matview_filters.py
+++ b/usaspending_api/awards/v2/filters/matview_filters.py
@@ -1,6 +1,5 @@
 import logging
 import itertools
-from collections import OrderedDict
 from django.db.models import Q
 from usaspending_api.awards.v2.filters.location_filter_geocode import geocode_filter_locations
 from usaspending_api.awards.v2.lookups.lookups import contract_type_mapping
@@ -13,7 +12,6 @@ from usaspending_api.awards.models_matviews import UniversalAwardView, Universal
 from usaspending_api.search.v2 import elasticsearch_helper
 
 
-
 logger = logging.getLogger(__name__)
 
 
@@ -31,10 +29,6 @@ def matview_search_filter(filters, model):
     faba_flag = False
     faba_queryset = FinancialAccountsByAwards.objects.filter(award__isnull=False)
 
-    if "keyword" in filters:
-        filters = OrderedDict(filters)
-        filters.move_to_end('keyword', last=False)
-        
     for key, value in filters.items():
         if value is None:
             raise InvalidParameterException('Invalid filter: ' + key + ' has null as its value.')
@@ -70,37 +64,24 @@ def matview_search_filter(filters, model):
             raise InvalidParameterException('Invalid filter: ' + key + ' does not exist.')
 
         if key == "keyword":
-            def keyword_parse(keyword):
-                filter_obj = Q(keyword_ts_vector=keyword) | \
-                    Q(award_ts_vector=keyword)
-                if keyword.isnumeric():
-                    filter_obj |= Q(naics_code__contains=keyword)
-                if len(keyword) == 4 and PSC.objects.all().filter(code__iexact=keyword).exists():
-                    filter_obj |= Q(product_or_service_code__iexact=keyword)
-
-                return filter_obj
-
-            filter_obj = Q()
-            for keyword in value:
-                filter_obj |= keyword_parse(keyword)
-            potential_DUNS = list(filter((lambda x: len(x) > 7 and len(x) < 10), value))
-            if len(potential_DUNS) > 0:
-                filter_obj |=Q(recipient_unique_id__in=potential_DUNS) | \
-                    Q(parent_recipient_unique_id__in=potential_DUNS)
-            
+            keyword = value
+            upper_kw = keyword.upper()
+
             # keyword_string & award_id_string are Postgres TS_vectors.
-            # keyword_string = recipient_name + naics_code + naics_description
-            #     + psc_description + awards_description
+            # keyword_string = recipient_name + naics_code + naics_description + psc_description + awards_description
             # award_id_string = piid + fain + uri
-            #query = "|".join(value)
-            #db_table = model._meta.db_table
+            compound_or = Q(keyword_ts_vector=keyword) | \
+                Q(award_ts_vector=keyword) | \
+                Q(recipient_unique_id=upper_kw) | \
+                Q(parent_recipient_unique_id=keyword)
+
+            if keyword.isnumeric():
+                compound_or |= Q(naics_code__contains=keyword)
+
+            if len(keyword) == 4 and PSC.objects.all().filter(code__iexact=keyword).exists():
+                compound_or |= Q(product_or_service_code__iexact=keyword)
 
-            #where_clause = '''"{0}"."keyword_ts_vector" @@ (to_tsquery(%s)) = true
-             #                OR "{1}"."award_ts_vector" @@ (to_tsquery(%s)) = true'''.format(db_table, db_table)
-            
-            #queryset = queryset.extra(where=[where_clause], params=[query, query])
-            queryset = queryset.filter(filter_obj) 
-            
+            queryset = queryset.filter(compound_or)
 
         elif key == "elasticsearch_keyword":
             keyword = value
@@ -186,20 +167,17 @@ def matview_search_filter(filters, model):
                 queryset &= model.objects.filter(recipient_id__in=in_query)
 
         elif key == "recipient_search_text":
-            if len(value) < 1:
-                raise InvalidParameterException('Invalid filter: recipient_search_text must have at least one value.')
-            all_filters_obj = None
-            for recip in value:
-                upper_recipient_string = str(recip).upper()
-                # recipient_name_ts_vector is a postgres TS_Vector
-                filter_obj = Q(recipient_name_ts_vector=upper_recipient_string)
-                if len(upper_recipient_string) == 9 and upper_recipient_string[:5].isnumeric():
-                    filter_obj |= Q(recipient_unique_id=upper_recipient_string)
-                if not all_filters_obj:
-                    all_filters_obj = filter_obj
-                else:
-                    all_filters_obj |= filter_obj
-            queryset &= model.objects.filter(all_filters_obj)
+            if len(value) != 1:
+                raise InvalidParameterException('Invalid filter: recipient_search_text must have exactly one value.')
+            upper_recipient_string = str(value[0]).upper()
+
+            # recipient_name_ts_vector is a postgres TS_Vector
+            filter_obj = Q(recipient_name_ts_vector=upper_recipient_string)
+
+            if len(upper_recipient_string) == 9 and upper_recipient_string[:5].isnumeric():
+                filter_obj |= Q(recipient_unique_id=upper_recipient_string)
+
+            queryset &= model.objects.filter(filter_obj)
 
         elif key == "recipient_scope":
             if value == "domestic":
diff --git a/usaspending_api/core/validator/award_filter.py b/usaspending_api/core/validator/award_filter.py
index a5ded3e3..4e14356a 100644
--- a/usaspending_api/core/validator/award_filter.py
+++ b/usaspending_api/core/validator/award_filter.py
@@ -7,14 +7,14 @@ AWARD_FILTER = [
     {'name': 'award_type_codes', 'type': 'array', 'array_type': 'enum', 'enum_values': list(award_type_mapping.keys())},
     {'name': 'contract_pricing_type_codes', 'type': 'array', 'array_type': 'text', 'text_type': 'search'},
     {'name': 'extent_competed_type_codes', 'type': 'array', 'array_type': 'text', 'text_type': 'search'},
-    {'name': 'keyword', 'type': 'array', 'array_type': 'text', 'text_type': 'search'},
+    {'name': 'keyword', 'type': 'text', 'text_type': 'search', 'min': 3},
     {'name': 'legal_entities', 'type': 'array', 'array_type': 'integer'},
     {'name': 'naics_codes', 'type': 'array', 'array_type': 'text', 'text_type': 'search'},
     {'name': 'place_of_performance_scope', 'type': 'enum', 'enum_values': ['domestic', 'foreign']},
     {'name': 'program_numbers', 'type': 'array', 'array_type': 'text', 'text_type': 'search'},
     {'name': 'psc_codes', 'type': 'array', 'array_type': 'text', 'text_type': 'search'},
     {'name': 'recipient_scope', 'type': 'enum', 'enum_values': ['domestic', 'foreign']},
-    {'name': 'recipient_search_text', 'type': 'array', 'array_type': 'text', 'text_type': 'search'},
+    {'name': 'recipient_search_text', 'type': 'array', 'array_type': 'text', 'text_type': 'search', 'array_max': 1, 'array_min': 1},
     {'name': 'recipient_type_names', 'type': 'array', 'array_type': 'text', 'text_type': 'search'},
     {'name': 'set_aside_type_codes', 'type': 'array', 'array_type': 'text', 'text_type': 'search'},
     {'name': 'time_period', 'type': 'array', 'array_type': 'object', 'object_keys': {
diff --git a/usaspending_api/core/validator/tinyshield.py b/usaspending_api/core/validator/tinyshield.py
index 5e1fc306..fb1b2e08 100644
--- a/usaspending_api/core/validator/tinyshield.py
+++ b/usaspending_api/core/validator/tinyshield.py
@@ -242,4 +242,4 @@ class TinyShield():
                 self.recurse_append(struct, mydict[level], data)
             else:
                 mydict[level] = {}
-                self.recurse_append(struct, mydict[level], data)
+                self.recurse_append(struct, mydict[level], data)     
diff --git a/usaspending_api/search/v2/views/search.py b/usaspending_api/search/v2/views/search.py
index dc9824d3..018c37f9 100644
--- a/usaspending_api/search/v2/views/search.py
+++ b/usaspending_api/search/v2/views/search.py
@@ -42,9 +42,7 @@ from usaspending_api.search.v2.elasticsearch_helper import (search_transactions,
 logger = logging.getLogger(__name__)
 
 API_VERSION = settings.API_VERSION
-API_TRANSFORM_FUNCTIONS = [
-    transform_keyword,
-]
+API_TRANSFORM_FUNCTIONS = []
 
 
 @api_transformations(api_version=API_VERSION, function_list=API_TRANSFORM_FUNCTIONS)
@@ -128,7 +126,7 @@ class SpendingOverTimeVisualizationViewSet(APIView):
         # Expected results structure
         # [{
         # 'time_period': {'fy': '2017', 'quarter': '3'},
-        #   'aggregated_amount': '200000000'
+        #       'aggregated_amount': '200000000'
         # }]
         sorted_group_results = sorted(
             group_results.items(),