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added explanation to test

This commit is contained in:
Marty Schoch 2014-04-19 14:39:07 -04:00
parent 9e1e6d4e89
commit 524e332ad9
1 changed files with 56 additions and 1 deletions
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57
search/scorer_term_test.go
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@ -27,7 +27,7 @@ func TestTermScorer(t *testing.T) {
var docTotal uint64 = 100
var docTerm uint64 = 9
scorer := NewTermQueryScorer(&query, docTotal, docTerm, false)
scorer := NewTermQueryScorer(&query, docTotal, docTerm, true)
idf := 1.0 + math.Log(float64(docTotal)/float64(docTerm+1.0))
tests := []struct {
@ -44,6 +44,24 @@ func TestTermScorer(t *testing.T) {
result: &DocumentMatch{
ID: "one",
Score: math.Sqrt(1.0) * idf,
Expl: &Explanation{
Value: math.Sqrt(1.0) * idf,
Message: "fieldWeight(desc:beer in one), product of:",
Children: []*Explanation{
&Explanation{
Value: 1,
Message: "tf(termFreq(desc:beer)=1",
},
&Explanation{
Value: 1,
Message: "fieldNorm(field=desc, doc=one)",
},
&Explanation{
Value: idf,
Message: "idf(docFreq=9, maxDocs=100)",
},
},
},
},
},
// test the same thing again (score should be cached this time)
@ -56,6 +74,24 @@ func TestTermScorer(t *testing.T) {
result: &DocumentMatch{
ID: "one",
Score: math.Sqrt(1.0) * idf,
Expl: &Explanation{
Value: math.Sqrt(1.0) * idf,
Message: "fieldWeight(desc:beer in one), product of:",
Children: []*Explanation{
&Explanation{
Value: 1,
Message: "tf(termFreq(desc:beer)=1",
},
&Explanation{
Value: 1,
Message: "fieldNorm(field=desc, doc=one)",
},
&Explanation{
Value: idf,
Message: "idf(docFreq=9, maxDocs=100)",
},
},
},
},
},
// test a case where the sqrt isn't precalculated
@ -68,6 +104,24 @@ func TestTermScorer(t *testing.T) {
result: &DocumentMatch{
ID: "one",
Score: math.Sqrt(65) * idf,
Expl: &Explanation{
Value: math.Sqrt(65) * idf,
Message: "fieldWeight(desc:beer in one), product of:",
Children: []*Explanation{
&Explanation{
Value: math.Sqrt(65),
Message: "tf(termFreq(desc:beer)=65",
},
&Explanation{
Value: 1,
Message: "fieldNorm(field=desc, doc=one)",
},
&Explanation{
Value: idf,
Message: "idf(docFreq=9, maxDocs=100)",
},
},
},
},
},
}
@ -77,6 +131,7 @@ func TestTermScorer(t *testing.T) {
if !reflect.DeepEqual(actual, test.result) {
t.Errorf("expected %#v got %#v for %#v", test.result, actual, test.termMatch)
t.Logf("expl: %s", actual.Expl)
}
}