104 lines
2.6 KiB
Markdown
104 lines
2.6 KiB
Markdown
---
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title: testing.inspect() function
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description: >
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`testing.inspect()` returns information about a test case.
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menu:
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flux_0_x_ref:
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name: testing.inspect
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parent: testing
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identifier: testing/inspect
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weight: 101
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introduced: 0.18.0
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---
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<!------------------------------------------------------------------------------
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IMPORTANT: This page was generated from comments in the Flux source code. Any
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edits made directly to this page will be overwritten the next time the
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documentation is generated.
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To make updates to this documentation, update the function comments above the
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function definition in the Flux source code:
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https://github.com/influxdata/flux/blob/master/stdlib/testing/testing.flux#L237-L249
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Contributing to Flux: https://github.com/influxdata/flux#contributing
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Fluxdoc syntax: https://github.com/influxdata/flux/blob/master/docs/fluxdoc.md
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------------------------------------------------------------------------------->
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`testing.inspect()` returns information about a test case.
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##### Function type signature
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```js
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(
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case: () => {A with want: stream[C], input: B, fn: (<-: B) => stream[C]},
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) => {
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want: stream[C],
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input: B,
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got: stream[C],
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fn: (<-: B) => stream[C],
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diff: stream[{C with _diff: string}],
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} where C: Record
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```
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{{% caption %}}For more information, see [Function type signatures](/flux/v0.x/function-type-signatures/).{{% /caption %}}
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## Parameters
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### case
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({{< req >}})
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Test case to inspect.
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## Examples
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### Define and inspect a test case
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```js
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import "testing"
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inData =
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"
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#datatype,string,long,string,dateTime:RFC3339,string,double
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#group,false,false,true,false,true,false
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#default,_result,,,,,
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,result,table,_measurement,_time,_field,_value
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,,0,m,2021-01-01T00:00:00Z,t,1.2
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,,0,m,2021-01-02T00:00:00Z,t,1.4
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,,0,m,2021-01-03T00:00:00Z,t,2.2
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"
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outData =
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"
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#datatype,string,long,dateTime:RFC3339,dateTime:RFC3339,string,string,double
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#group,false,false,true,true,true,true,false
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#default,_result,,,,,,
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,result,table,_start,_stop,_measurement,_field,_value
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,,0,2021-01-01T00:00:00Z,2021-01-03T01:00:00Z,m,t,4.8
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"
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t_sum = (table=<-) =>
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table
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|> range(start: 2021-01-01T00:00:00Z, stop: 2021-01-03T01:00:00Z)
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|> sum()
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test _sum = () => ({input: csv.from(csv: inData), want: csv.from(csv: outData), fn: t_sum})
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testing.inpsect(case: _sum)// Returns: {
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// fn: (<-table: [{_time: time | t10997}]) -> [t10996],
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// input: fromCSV -> range -> map,
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// want: fromCSV -> yield,
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// got: fromCSV -> range -> map -> range -> sum -> yield,
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// diff: ( fromCSV; fromCSV -> range -> map -> range -> sum; ) -> diff -> yield
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// }
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```
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