extension.test.ts

//
// Note: This example test is leveraging the Mocha test framework.
// Please refer to their documentation on https://mochajs.org/ for help.
//

// The module 'assert' provides assertion methods from node
import * as assert from 'assert';

// You can import and use all API from the 'vscode' module
// as well as import your extension to test it
import * as vscode from 'vscode';
import * as myExtension from '../src/extension';

// Defines a Mocha test suite to group tests of similar kind together
suite("Extension Tests", () => {

    // Defines a Mocha unit test
    test("parseGhcidOutput", () => {
        let src =
            ["src\\Test.hs:81:11: error:"
            ,"    * No instance for (Num (IO [String])) arising from a use of `+'"
            ,"    * In a stmt of a 'do' block: xs <- getArgs + getArgs"
            ,"src\\General\\Binary.hs:15:1-22: warning: [-Wunused-imports]"
            ,"    The import of `Data.List.Extra' is redundant"
            ,"src\\General\\Binary.hs:17:1-23: warning: [-Wunused-imports]"
            ,"    The import of `Data.Tuple.Extra' is redundant"
            ,"C:\\src\\Development\\Shake\\Internal\\FileInfo.hs:(15,1)-(16,23): warning: [-Wunused-imports]"
            ,"    The import of `GHC.IO.Exception' is redundant"];
        let want =
            [["/src/Test.hs", [80,10,80,11], vscode.DiagnosticSeverity.Error]
            ,["/src/General/Binary.hs", [14,0,14,22], vscode.DiagnosticSeverity.Warning]
            ,["/src/General/Binary.hs", [16,0,16,23], vscode.DiagnosticSeverity.Warning]
            ,["/C:/src/Development/Shake/Internal/FileInfo.hs", [14,0,15,23], vscode.DiagnosticSeverity.Warning]];
        let res = myExtension.parseGhcidOutput("", src.join("\r\n"));
        let got = res.map(x => 
            [ x[0].path
            , [x[1].range.start.line, x[1].range.start.character, x[1].range.end.line, x[1].range.end.character]
            , x[1].severity]);
        assert.deepStrictEqual(got, want);
    });
});