Extracting anonymous array problem

[Mikael Wallin]

Anyone who can help me solve this. 

I get:

java.lang.IllegalArgumentException: Invalid JSON expression:

Script1.groovy: 1: unexpected token: ] @ line 1, column 30.

                            $[*]

                                ^

My code:

List<Browser> browsers = 

    given()

        .log().ifValidationFails()

        .accept("application/json; charset=utf-8")

    .when()

        .get("/jobs")

    .then()

        .statusCode(HttpStatus.SC_OK)

        .body("size()", greaterThan(0))

    .extract().body().jsonPath().getList("$[*]", Browser.class);

My json: (from http://localhost/browsers)

[

{

"browser_version":"16.0",

"browser":"firefox",

"os_version":"8",

"os":"Windows",

"device":null

},

{

"browser_version":"17.0",

"browser":"firefox",

"os_version":"8",

"os":"Windows",

"device":null

},

{

"browser_version":"18.0",

"browser":"firefox",

"os_version":"8",

"os":"Windows",

"device":null

}

]

[Johan Haleby]

You're trying to use syntax from the json-path project but this is not the syntax (confusingly) that REST Assured is using. REST Assured uses GPath expressions as indicated by the documentation. So your example would probably read something like:

body().jsonPath().getList("$", Browser.class);

but you can ignore $ as well I think:

body().jsonPath().getList("", Browser.class);

Regards,

/Johan

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[Mikael Wallin]

Thank you for your reply. It was very helpful.

If I use $ I get java.lang.ClassCastException: Cannot convert class java.util.HashMap to class se.svt.test.screenshots.model.Browser.

[Johan Haleby]

Does it work if you exclude $?

On Fri, Apr 15, 2016 at 12:06 PM, Mikael Wallin <mikael....@gmail.com> wrote:

Thank you for your reply. It was very helpful.

If I use $ I get java.lang.ClassCastException: Cannot convert class java.util.HashMap to class se.svt.test.screenshots.model.Browser.

--

[Mikael Wallin]

Same result.

Does GPath refer to Goessner? I was trying to find resources to read up on.

[Mikael Wallin]

I solved the issue. Thank you very much for your help. It seems like the problem was that the test run before the context of the server was loaded. So your solution was correct.

[Johan Haleby]

Are you sure? :) The path should be correct but does it really work when you try to map the list content to a java object? Because I actually tried to something similar extracting which extracted  java objects from a list in with JsonPath and this was previously not supported (afaict). Something like this: JsonPath.from(someJson).getList("store.books", Book.class); I've added support for it now though and so if you like you can try out version 2.9.1-SNAPSHOT after having added the following repo:

<repositories>

        <repository>

            <id>sonatype</id>

            <url>https://oss.sonatype.org/content/repositories/snapshots/</url>

            <snapshots />

        </repository>

</repositories>

On Fri, Apr 15, 2016 at 12:40 PM, Mikael Wallin <mikael....@gmail.com> wrote:

I solved the issue. Thank you very much for your help. It seems like the problem was that the test run before the context of the server was loaded. So your solution was correct.

--

[Mikael Wallin]

No not sure :) I just saw that I got an empty array at startup and assumed that was the error as I was somewhat embarrassed :). 

I will check it out. As I am just evaluating rest assured it wasn't too important to solve, but important to know it is possible.

[Johan Haleby]

Alright, tell me if you run into any other problems :) Btw you can read more about gpath here: http://groovy-lang.org/processing-xml.html#_gpath