diff --git a/tests/software/seqkit/split2/main.nf b/tests/software/seqkit/split2/main.nf
index 25d47b42..4377cac2 100644
--- a/tests/software/seqkit/split2/main.nf
+++ b/tests/software/seqkit/split2/main.nf
@@ -2,20 +2,54 @@
 
 nextflow.enable.dsl = 2
 
-include { SEQKIT_SPLIT2 } from '../../../../software/SEQKIT/SPLIT2/main.nf' addParams( options: [:] )
+include { SEQKIT_SPLIT2_LENGTH } from '../../../../software/SEQKIT/SPLIT2/main.nf' addParams( options: ['args': '--by-length 2'] )
+include { SEQKIT_SPLIT2_SIZE } from '../../../../software/SEQKIT/SPLIT2/main.nf' addParams( options: ['args': '--by-size 2 ' ] )
+include { SEQKIT_SPLIT2_PART } from '../../../../software/SEQKIT/SPLIT2/main.nf' addParams( options: ['args': '--by-part 2 '] )
 
-workflow test_seqkit_split2_single_end {
+workflow test_seqkit_split2_length_single_end {
     def input = []
     input = [ [ id:'test', single_end:true ], // meta map
               file("${launchDir}/tests/data/dna/SRR396636_R1.fastq.gz", checkIfExists: true) ]
 
-    SEQKIT_SPLIT2 ( input )
+    SEQKIT_SPLIT2_LENGTH ( input )
 }
 
-workflow test_seqkit_split2_paired_end {
+workflow test_seqkit_split2_size_single_end {
+    def input = []
+    input = [ [ id:'test', single_end:true ], // meta map
+              file("${launchDir}/tests/data/dna/SRR396636_R1.fastq.gz", checkIfExists: true) ]
+
+    SEQKIT_SPLIT2_SIZE ( input )
+}
+
+workflow test_seqkit_split2_part_single_end {
+    def input = []
+    input = [ [ id:'test', single_end:true ], // meta map
+              file("${launchDir}/tests/data/dna/SRR396636_R1.fastq.gz", checkIfExists: true) ]
+
+    SEQKIT_SPLIT2_PART ( input )
+}
+
+workflow test_seqkit_split2_length_paired_end {
     def input = []
     input = [ [ id:'test', single_end:false ], // meta map
               file("${launchDir}/tests/data/dna/SRR396636_*", checkIfExists: true) ]
 
-    SEQKIT_SPLIT2 ( input )
+    SEQKIT_SPLIT2_LENGTH ( input )
+}
+
+workflow test_seqkit_split2_size_paired_end {
+    def input = []
+    input = [ [ id:'test', single_end:false ], // meta map
+              file("${launchDir}/tests/data/dna/SRR396636_*", checkIfExists: true) ]
+
+    SEQKIT_SPLIT2_SIZE ( input )
+}
+
+workflow test_seqkit_split2_part_paired_end {
+    def input = []
+    input = [ [ id:'test', single_end:false ], // meta map
+              file("${launchDir}/tests/data/dna/SRR396636_*", checkIfExists: true) ]
+
+    SEQKIT_SPLIT2_PART ( input )
 }
\ No newline at end of file