diff --git a/modules/nf-core/decoupler/decoupler/main.nf b/modules/nf-core/decoupler/decoupler/main.nf
index 7a174192ac8e..4acdb3c7ab32 100644
--- a/modules/nf-core/decoupler/decoupler/main.nf
+++ b/modules/nf-core/decoupler/decoupler/main.nf
@@ -11,9 +11,9 @@ process DECOUPLER {
     path net
 
     output:
-    tuple val(meta), path("*estimate__decoupler.tsv"), emit: dc_estimate
-    tuple val(meta), path("*pvals__decoupler.tsv"), emit: dc_pvals
-    path ("versions.yml"), emit: versions
+    tuple val(meta), path("*estimate__decoupler.tsv")   , emit: dc_estimate
+    tuple val(meta), path("*pvals__decoupler.tsv")      , emit: dc_pvals
+    path("versions.yml")                                , emit: versions
 
     when:
     task.ext.when == null || task.ext.when
@@ -69,4 +69,23 @@ process DECOUPLER {
         version_file.write('"${task.process}":' + "\\n")
         version_file.write(f"    decoupler-py: {dc.__version__}\\n")
     """
+
+    stub:
+    """
+    #!/usr/bin/env python3
+    import decoupler as dc
+
+    ## dc_estimate
+    with open('consensus_estimate__decoupler.tsv', 'a') as tsv_file:
+        tsv_file.write('')
+
+    ## dc_pvals
+    with open('consensus_pvals__decoupler.tsv', 'a') as tsv_file:
+        tsv_file.write('')
+
+    ## VERSIONS FILE
+    with open('versions.yml', 'a') as version_file:
+        version_file.write('"${task.process}":' + "\\n")
+        version_file.write(f"    decoupler-py: {dc.__version__}\\n")
+    """
 }
diff --git a/modules/nf-core/decoupler/decoupler/tests/main.nf.test b/modules/nf-core/decoupler/decoupler/tests/main.nf.test
index cbaf2899de4c..7a6db3991556 100644
--- a/modules/nf-core/decoupler/decoupler/tests/main.nf.test
+++ b/modules/nf-core/decoupler/decoupler/tests/main.nf.test
@@ -17,10 +17,10 @@ nextflow_process {
                 """
                 input[0] = [
                     [ id: 'test' ],
-                    file(params.test_data['generic']['tsv']['expression'], checkIfExists: true)
+                    file(params.modules_testdata_base_path + 'generic/tsv/expression.tsv', checkIfExists: true)
                 ]
                 input[1] = [
-                    file(params.test_data['generic']['tsv']['network'], checkIfExists: true)
+                    file(params.modules_testdata_base_path + 'generic/tsv/network.tsv', checkIfExists: true)
                 ]
                 """
             }
@@ -36,4 +36,31 @@ nextflow_process {
 
     }
 
+    test("decoupler_test - stub") {
+
+        options '-stub'
+
+        when {
+            process {
+                """
+                input[0] = [
+                    [ id: 'test' ],
+                    file(params.modules_testdata_base_path + 'generic/tsv/expression.tsv', checkIfExists: true)
+                ]
+                input[1] = [
+                    file(params.modules_testdata_base_path + 'generic/tsv/network.tsv', checkIfExists: true)
+                ]
+                """
+            }
+        }
+
+        then {
+            assertAll(
+                { assert process.success },
+                { assert snapshot(process.out).match() }
+            )
+        }
+
+    }
+
 }
\ No newline at end of file
diff --git a/modules/nf-core/decoupler/decoupler/tests/main.nf.test.snap b/modules/nf-core/decoupler/decoupler/tests/main.nf.test.snap
index 56f9335da3f1..7422b31ef92c 100644
--- a/modules/nf-core/decoupler/decoupler/tests/main.nf.test.snap
+++ b/modules/nf-core/decoupler/decoupler/tests/main.nf.test.snap
@@ -1,4 +1,53 @@
 {
+    "decoupler_test - stub": {
+        "content": [
+            {
+                "0": [
+                    [
+                        {
+                            "id": "test"
+                        },
+                        "consensus_estimate__decoupler.tsv:md5,d41d8cd98f00b204e9800998ecf8427e"
+                    ]
+                ],
+                "1": [
+                    [
+                        {
+                            "id": "test"
+                        },
+                        "consensus_pvals__decoupler.tsv:md5,d41d8cd98f00b204e9800998ecf8427e"
+                    ]
+                ],
+                "2": [
+                    "versions.yml:md5,8fd115b4099050429b348981ca1d5e86"
+                ],
+                "dc_estimate": [
+                    [
+                        {
+                            "id": "test"
+                        },
+                        "consensus_estimate__decoupler.tsv:md5,d41d8cd98f00b204e9800998ecf8427e"
+                    ]
+                ],
+                "dc_pvals": [
+                    [
+                        {
+                            "id": "test"
+                        },
+                        "consensus_pvals__decoupler.tsv:md5,d41d8cd98f00b204e9800998ecf8427e"
+                    ]
+                ],
+                "versions": [
+                    "versions.yml:md5,8fd115b4099050429b348981ca1d5e86"
+                ]
+            }
+        ],
+        "meta": {
+            "nf-test": "0.9.0",
+            "nextflow": "24.10.1"
+        },
+        "timestamp": "2024-11-25T11:03:58.583432"
+    },
     "versions": {
         "content": [
             {