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Integration tests for diversified sampler #77810

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Sep 22, 2021
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Integration tests for diversified sampler #77810

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Integration tests for diversified sampler
nik9000 Sep 15, 2021
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Merge branch 'master' into diversified_sampler
nik9000 Sep 22, 2021
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nik9000 Sep 22, 2021
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229 changes: 229 additions & 0 deletions .../yamlRestTest/resources/rest-api-spec/test/search.aggregation/410_diversified_sampler.yml
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setup:
- do:
indices.create:
index: test
body:
settings:
number_of_shards: 1
mappings:
properties:
tags:
type: text
author:
type: keyword
number:
type: integer
class:
type: integer

- do:
bulk:
index: test
refresh: true
body:
- '{"index": {}}'
- '{"tags": "kibana", "author": "alice", "number": 1, "class": 1}'
- '{"index": {}}'
- '{"tags": "kibana", "author": "bob", "number": 2, "class": 1}'
- '{"index": {}}'
- '{"tags": "kibana", "author": "alice", "number": 3, "class": 2}'
- '{"index": {}}'
- '{"tags": "javascript", "author": "alice", "number": 4, "class": 1}'

---
small shard_size:
- do:
search:
body:
size: 0
query:
query_string:
query: 'tags:kibana OR tags:javascript'
aggs:
diversified:
diversified_sampler:
field: author
shard_size: 1
aggs:
min_number:
min:
field: number
max_number:
max:
field: number


- match: { hits.total.value: 4 }
- match: { aggregations.diversified.doc_count: 1 }
# The most relevant document has a value of 4 so we only aggregate that.
- match: { aggregations.diversified.min_number.value: 4.0 }
- match: { aggregations.diversified.max_number.value: 4.0 }

---
defaults:
- do:
search:
body:
size: 0
query:
query_string:
query: 'tags:kibana OR tags:javascript'
aggs:
diversified:
diversified_sampler:
field: author
aggs:
min_number:
min:
field: number
max_number:
max:
field: number

- match: { hits.total.value: 4 }
# The max_docs_per_value defaults to 1 so we just get one doc for each of the two authors
- match: { aggregations.diversified.doc_count: 2 }
# Bob's only document is 2 so we get that as the min.
- match: { aggregations.diversified.min_number.value: 2.0 }
# Alice's most relevant document is 2 so we get that as the max.
- match: { aggregations.diversified.max_number.value: 4.0 }

---
override max_docs_per_value:
- do:
search:
body:
size: 0
query:
query_string:
query: 'tags:kibana OR tags:javascript'
aggs:
diversified:
diversified_sampler:
field: author
max_docs_per_value: 3
aggs:
min_number:
min:
field: number
max_number:
max:
field: number

- match: { hits.total.value: 4 }
# We've bumped the max_docs_per_value high enough to get all docs
- match: { aggregations.diversified.doc_count: 4 }
- match: { aggregations.diversified.min_number.value: 1.0 }
- match: { aggregations.diversified.max_number.value: 4.0 }

---
run on number:
- do:
search:
body:
size: 0
query:
query_string:
query: 'tags:kibana OR tags:javascript'
aggs:
diversified:
diversified_sampler:
field: class
aggs:
min_number:
min:
field: number
max_number:
max:
field: number

- match: { hits.total.value: 4 }
# The max_docs_per_value defaults to 1 so we just get one doc for each of the two classes
- match: { aggregations.diversified.doc_count: 2 }
- match: { aggregations.diversified.min_number.value: 3.0 }
- match: { aggregations.diversified.max_number.value: 4.0 }

---
force map mode:
- do:
search:
body:
size: 0
query:
query_string:
query: 'tags:kibana OR tags:javascript'
aggs:
diversified:
diversified_sampler:
field: author
execution_hint: map
aggs:
min_number:
min:
field: number
max_number:
max:
field: number

- match: { hits.total.value: 4 }
- match: { aggregations.diversified.doc_count: 2 }
- match: { aggregations.diversified.min_number.value: 2.0 }
- match: { aggregations.diversified.max_number.value: 4.0 }

---
force global ordinals mode:
- do:
search:
body:
size: 0
query:
query_string:
query: 'tags:kibana OR tags:javascript'
aggs:
diversified:
diversified_sampler:
field: author
execution_hint: global_ordinals
aggs:
min_number:
min:
field: number
max_number:
max:
field: number

- match: { hits.total.value: 4 }
- match: { aggregations.diversified.doc_count: 2 }
- match: { aggregations.diversified.min_number.value: 2.0 }
- match: { aggregations.diversified.max_number.value: 4.0 }

---
enable hash mode mode:
- do:
search:
body:
size: 0
query:
query_string:
query: 'tags:kibana OR tags:javascript'
aggs:
diversified:
diversified_sampler:
field: author
execution_hint: bytes_hash
aggs:
min_number:
min:
field: number
max_number:
max:
field: number

# This mode can have hash collisions. The hash is seeded with tests.seed
# so we have to have weaker constraints on these hits
- match: { hits.total.value: 4 }
- lte: { aggregations.diversified.doc_count: 2 }
- gte: { aggregations.diversified.doc_count: 1 }
- gte: { aggregations.diversified.min_number.value: 2.0 }
- lte: { aggregations.diversified.min_number.value: 4.0 }
- match: { aggregations.diversified.max_number.value: 4.0 }