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vendor/github.com/blevesearch/bleve/analysis/freq_test.go

@@ -0,0 +1,167 @@
+//  Copyright (c) 2014 Couchbase, Inc.
+//  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.
+
+package analysis
+
+import (
+	"reflect"
+	"testing"
+)
+
+func TestTokenFrequency(t *testing.T) {
+	tokens := TokenStream{
+		&Token{
+			Term:     []byte("water"),
+			Position: 1,
+			Start:    0,
+			End:      5,
+		},
+		&Token{
+			Term:     []byte("water"),
+			Position: 2,
+			Start:    6,
+			End:      11,
+		},
+	}
+	expectedResult := TokenFrequencies{
+		&TokenFreq{
+			Term: []byte("water"),
+			Locations: []*TokenLocation{
+				&TokenLocation{
+					Position: 1,
+					Start:    0,
+					End:      5,
+				},
+				&TokenLocation{
+					Position: 2,
+					Start:    6,
+					End:      11,
+				},
+			},
+		},
+	}
+	result := TokenFrequency(tokens)
+	if !reflect.DeepEqual(result, expectedResult) {
+		t.Errorf("expected %#v, got %#v", expectedResult, result)
+	}
+}
+
+func TestTokenFrequenciesMergeAll(t *testing.T) {
+	tf1 := TokenFrequencies{
+		&TokenFreq{
+			Term: []byte("water"),
+			Locations: []*TokenLocation{
+				&TokenLocation{
+					Position: 1,
+					Start:    0,
+					End:      5,
+				},
+				&TokenLocation{
+					Position: 2,
+					Start:    6,
+					End:      11,
+				},
+			},
+		},
+	}
+	tf2 := TokenFrequencies{
+		&TokenFreq{
+			Term: []byte("water"),
+			Locations: []*TokenLocation{
+				&TokenLocation{
+					Position: 1,
+					Start:    0,
+					End:      5,
+				},
+				&TokenLocation{
+					Position: 2,
+					Start:    6,
+					End:      11,
+				},
+			},
+		},
+	}
+	expectedResult := TokenFrequencies{
+		&TokenFreq{
+			Term: []byte("water"),
+			Locations: []*TokenLocation{
+				&TokenLocation{
+					Position: 1,
+					Start:    0,
+					End:      5,
+				},
+				&TokenLocation{
+					Position: 2,
+					Start:    6,
+					End:      11,
+				},
+				&TokenLocation{
+					Field:    "tf2",
+					Position: 1,
+					Start:    0,
+					End:      5,
+				},
+				&TokenLocation{
+					Field:    "tf2",
+					Position: 2,
+					Start:    6,
+					End:      11,
+				},
+			},
+		},
+	}
+	tf1.MergeAll("tf2", tf2)
+	if !reflect.DeepEqual(tf1, expectedResult) {
+		t.Errorf("expected %#v, got %#v", expectedResult, tf1)
+	}
+}
+
+func TestTokenFrequenciesMergeAllLeftEmpty(t *testing.T) {
+	tf1 := TokenFrequencies{}
+	tf2 := TokenFrequencies{
+		&TokenFreq{
+			Term: []byte("water"),
+			Locations: []*TokenLocation{
+				&TokenLocation{
+					Position: 1,
+					Start:    0,
+					End:      5,
+				},
+				&TokenLocation{
+					Position: 2,
+					Start:    6,
+					End:      11,
+				},
+			},
+		},
+	}
+	expectedResult := TokenFrequencies{
+		&TokenFreq{
+			Term: []byte("water"),
+			Locations: []*TokenLocation{
+				&TokenLocation{
+					Field:    "tf2",
+					Position: 1,
+					Start:    0,
+					End:      5,
+				},
+				&TokenLocation{
+					Field:    "tf2",
+					Position: 2,
+					Start:    6,
+					End:      11,
+				},
+			},
+		},
+	}
+	result := tf1.MergeAll("tf2", tf2)
+	if !reflect.DeepEqual(result, expectedResult) {
+		t.Errorf("expected %#v, got %#v", expectedResult, result)
+	}
+}