71 lines
1.5 KiB
Markdown
71 lines
1.5 KiB
Markdown
---
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title: testing.assertMatches() function
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description: >
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`testing.assertMatches()` tests whether a string matches a given regex.
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menu:
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flux_v0_ref:
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name: testing.assertMatches
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parent: internal/testing
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identifier: internal/testing/assertMatches
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weight: 201
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flux/v0/tags: [tests]
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introduced: LATEST
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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/internal/testing/testing.flux#L67-L73
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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.assertMatches()` tests whether a string matches a given regex.
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##### Function type signature
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```js
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(got: string, want: regexp) => stream[{v: string, _diff: string}]
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```
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{{% caption %}}
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For more information, see [Function type signatures](/flux/v0/function-type-signatures/).
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{{% /caption %}}
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## Parameters
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### got
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({{< req >}})
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Value to test.
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### want
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({{< req >}})
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Regex to test against.
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## Examples
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### Test if two values are equal
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```js
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import "internal/testing"
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testing.assertMatches(got: "123", want: /12/)
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```
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