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Merge pull request #193 from Smartmind12/patch-2
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Update stubbing.md
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@oleg-nenashev
oleg-nenashev authored Oct 9, 2023
2 parents 0b49d9d + 73f0c98 commit f4d1636
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123 changes: 103 additions & 20 deletions _docs/stubbing.md
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Expand Up @@ -141,7 +141,9 @@ you want the stub mapping to match on any request method.
In addition to the status code, the status message can optionally also
be set.

Java:
{% codetabs %}

{% codetab Java %}

```java
@Test
Expand All @@ -157,7 +159,9 @@ public void statusMessage() {
}
```

JSON:
{% endcodetab %}

{% codetab JSON %}

```json
{
Expand All @@ -172,6 +176,10 @@ JSON:
}
```

{% endcodetab %}

{% endcodetabs %}

## Stub priority

It is sometimes the case that you'll want to declare two or more stub
Expand All @@ -184,6 +192,10 @@ One example of this might be where you want to define a catch-all stub
for any URL that doesn't match any more specific cases. Adding a
priority to a stub mapping facilitates this:

{% codetabs %}

{% codetab Java %}

```java
//Catch-all case
stubFor(get(urlMatching("/api/.*")).atPriority(5)
Expand All @@ -196,7 +208,9 @@ stubFor(get(urlEqualTo("/api/specific-resource")).atPriority(1) //1 is highest
.withBody("Resource state")));
```

Priority is set via the `priority` attribute in JSON:
{% endcodetab %}

{% codetab Json %}

```json
{
Expand All @@ -211,13 +225,19 @@ Priority is set via the `priority` attribute in JSON:
}
```

{% endcodetab %}

{% endcodetabs %}

When unspecified, stubs default to a priority of `5`[<sup>^</sup>](https://github.com/wiremock/wiremock/blob/master/src/main/java/com/github/tomakehurst/wiremock/stubbing/StubMapping.java#L37) where `1` is the highest priority and Java `Integer.MAX_VALUE` (i.e., `2147483647`) is the minimum priority.

## Sending response headers

In addition to matching on request headers, it's also possible to send response headers.

Java:
{% codetabs %}

{% codetab Java %}

```java
stubFor(get(urlEqualTo("/whatever"))
Expand All @@ -229,7 +249,9 @@ stubFor(get(urlEqualTo("/whatever"))
.withHeader("Cache-Control", "no-cache")));
```

JSON:
{% endcodetab %}

{% codetab JSON %}

```json
{
Expand All @@ -248,19 +270,27 @@ JSON:
}
```

{% endcodetab %}

{% endcodetabs %}

## Specifying the response body

The simplest way to specify a response body is as a string literal.

Java:
{% codetabs %}

{% codetab Java %}

```java
stubFor(get(urlEqualTo("/body"))
.willReturn(aResponse()
.withBody("Literal text to put in the body")));
```

JSON:
{% endcodetab %}

{% codetab JSON %}

```json
{
Expand All @@ -275,6 +305,10 @@ JSON:
}
```

{% endcodetab %}

{% endcodetabs %}

If you're specifying a JSON body via the JSON API, you can avoid having to escape it like this:

```json
Expand All @@ -293,13 +327,19 @@ under the current directory in which the server was started. To make
your stub use the file, simply call `bodyFile()` on the response builder
with the file's path relative to `__files`:

{% codetabs %}

{% codetab Java %}

```java
stubFor(get(urlEqualTo("/body-file"))
.willReturn(aResponse()
.withBodyFile("path/to/myfile.xml")));
```

Or
{% endcodetab %}

{% codetab JSON %}

```json
{
Expand All @@ -314,6 +354,10 @@ Or
}
```

{% endcodetab %}

{% endcodetabs %}

> **note**
>
> Body file paths should always be relative i.e. not have a leading /
Expand All @@ -325,17 +369,24 @@ Or
> sets, whether by JVM configuration or body file encoding will most
> likely produce strange behaviour.
A response body in binary format can be specified as a `byte[]` via an
overloaded `body()`:
A response body in binary format can be specified as a `byte[]` via an
overloaded `body()` in Java.

JSON API accepts this as a base64 string (to avoid stupidly long JSON documents):

{% codetabs %}

{% codetab Java %}

```java
stubFor(get(urlEqualTo("/binary-body"))
.willReturn(aResponse()
.withBody(new byte[] { 1, 2, 3, 4 })));
```

The JSON API accepts this as a base64 string (to avoid stupidly long
JSON documents):
{% endcodetab %}

{% codetab JSON %}

```json
{
Expand All @@ -350,13 +401,19 @@ JSON documents):
}
```

{% endcodetab %}

{% endcodetabs %}

## Default response for unmapped requests

When a request cannot be mapped to a response, Wiremock returns an HTML response with a 404 status code.

It is possible to customize the response by catching all URLs with a low priority.

In Java
{% codetabs %}

{% codetab Java %}

```java
stubFor(any(anyUrl())
Expand All @@ -366,7 +423,9 @@ stubFor(any(anyUrl())
.withBody("{\"status\":\"Error\",\"message\":\"Endpoint not found\"}")));
```

In JSON
{% endcodetab %}

{% codetab JSON %}

```json
{
Expand All @@ -385,6 +444,10 @@ In JSON
}
```

{% endcodetab %}

{% endcodetabs %}

## Saving stubs

Stub mappings which have been created can be persisted to the `mappings`
Expand All @@ -397,9 +460,13 @@ request with an empty body to
## Editing stubs

Existing stub mappings can be modified, provided they have been assigned an ID.
In Java, Existing stub mappings can be modified, provided they have been assigned an ID.

To do the equivalent via the JSON API, `PUT` the edited stub mapping to `/__admin/mappings/{id}`

{% codetabs %}

In Java:
{% codetab Java %}

```java
wireMockServer.stubFor(get(urlEqualTo("/edit-this"))
Expand All @@ -417,7 +484,9 @@ wireMockServer.editStub(get(urlEqualTo("/edit-this"))
assertThat(testClient.get("/edit-this").content(), is("Modified"));
```

To do the equivalent via the JSON API, `PUT` the edited stub mapping to `/__admin/mappings/{id}`:
{% endcodetab %}

{% codetab JSON %}

```json
{
Expand All @@ -431,6 +500,10 @@ To do the equivalent via the JSON API, `PUT` the edited stub mapping to `/__admi
}
```

{% endcodetab %}

{% endcodetabs %}

## File serving

When running the standalone JAR, files placed under the `__files` directory will
Expand Down Expand Up @@ -492,9 +565,13 @@ Via the HTTP client a mapping can be retrieved by sending a `GET` to `http://<ho

## Bulk importing stubs

Multiple stubs can be imported in one call.
In Java, Multiple stubs can be imported in one call.

Java:
The equivalent can be carried out Via the JSON API, `POST` the to `/__admin/mappings/import`:

{% codetabs %}

{% codetab Java %}

```java
WireMock.importStubs(stubImport()
Expand All @@ -505,7 +582,9 @@ WireMock.importStubs(stubImport()
.deleteAllExistingStubsNotInImport());
```

Via the JSON API, `POST` the to `/__admin/mappings/import`:
{% endcodetab %}

{% codetab JSON %}

```json
{
Expand Down Expand Up @@ -538,6 +617,10 @@ Via the JSON API, `POST` the to `/__admin/mappings/import`:
}
```

{% endcodetab %}

{% endcodetabs %}

### Existing stubs policy

By default, if a stub in an import already exists (has an ID of a stub already loaded), then the existing stub will be overwritten.
Expand Down

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