diff --git a/NIPTool/build/batch.py b/NIPTool/build/batch.py
deleted file mode 100644
index fa7c70f8..00000000
--- a/NIPTool/build/batch.py
+++ /dev/null
@@ -1,12 +0,0 @@
-from NIPTool.constants.constants import BATCH_KEYS
-
-
-def build_batch(batch_data: dict):
-    """Builds a document for the batch collection"""
-
-    batch_document = {'_id': str(batch_data.get('SampleProject'))}
-    for key in BATCH_KEYS:
-        if batch_data.get(key) is not None:
-            batch_document[key] = batch_data.get(key)
-            
-    return batch_document
\ No newline at end of file
diff --git a/NIPTool/build/document.py b/NIPTool/build/document.py
new file mode 100644
index 00000000..465ab6b1
--- /dev/null
+++ b/NIPTool/build/document.py
@@ -0,0 +1,45 @@
+from NIPTool.models.constants import SAMPLE_KEYS, BATCH_KEYS
+from typing import Optional
+
+def empty_str_to_none(x: str) -> Optional[str]:
+    """Convert empty string to None"""
+
+    x = x.strip()
+    if not x:
+        return None
+    return x
+
+
+def build_document(csv_data: dict, document_keys: list) -> dict:
+    """Build a general document"""
+
+    document = {}
+    for key in document_keys:
+        value = csv_data.get(key)
+        if isinstance(value, str):
+            value = empty_str_to_none(value)
+        if value is None:
+            continue
+        document[key] = value
+
+    return document
+
+
+def build_sample(sample_data: dict) -> dict:
+    """Builds a document for the sample collection"""
+
+    sample = build_document(sample_data, SAMPLE_KEYS)
+    if sample.get("SampleProject"):
+        sample["SampleProject"] = str(sample["SampleProject"])
+    sample["_id"] = sample_data.get("SampleID")
+
+    return sample
+
+
+def build_batch(batch_data: dict) -> dict:
+    """Builds a document for the batch collection"""
+
+    batch = build_document(batch_data, BATCH_KEYS)
+    batch["_id"] = str(batch_data.get("SampleProject"))
+
+    return batch
\ No newline at end of file
diff --git a/NIPTool/build/sample.py b/NIPTool/build/sample.py
deleted file mode 100644
index e92bcdff..00000000
--- a/NIPTool/build/sample.py
+++ /dev/null
@@ -1,20 +0,0 @@
-from NIPTool.constants.constants import SAMPLE_KEYS
-
-def build_sample(sample_data: dict):
-    """Builds a document for the sample collection"""
-
-
-    sample = {'_id': sample_data.get('SampleID')}
-    
-    for key in SAMPLE_KEYS:
-        value = sample_data.get(key)
-        if isinstance(value, str) and not value.strip():
-            continue
-        if value is None:
-            continue
-        sample[key] = value
-    
-    if sample.get('SampleProject'):
-        sample['SampleProject'] = str(sample['SampleProject'])
-
-    return sample
diff --git a/NIPTool/constants/__init__.py b/NIPTool/constants/__init__.py
deleted file mode 100644
index e69de29b..00000000
diff --git a/NIPTool/load/batch.py b/NIPTool/load/batch.py
index 9b3428d1..36cf812e 100644
--- a/NIPTool/load/batch.py
+++ b/NIPTool/load/batch.py
@@ -1,6 +1,5 @@
 import logging
-from NIPTool.build.sample import build_sample
-from NIPTool.build.batch import build_batch
+from NIPTool.build.document import build_sample, build_batch
 from NIPTool.parse.batch import parse_batch_file
 
 LOG = logging.getLogger(__name__)
diff --git a/NIPTool/constants/constants.py b/NIPTool/models/constants.py
similarity index 98%
rename from NIPTool/constants/constants.py
rename to NIPTool/models/constants.py
index 6f592ad2..971cf779 100644
--- a/NIPTool/constants/constants.py
+++ b/NIPTool/models/constants.py
@@ -1,5 +1,4 @@
 SAMPLE_KEYS = [
-    "SampleID",
     "SampleType",
     "Description",
     "SampleProject",
diff --git a/NIPTool/models/nipt_results.py b/NIPTool/models/validation_schema.py
similarity index 100%
rename from NIPTool/models/nipt_results.py
rename to NIPTool/models/validation_schema.py
diff --git a/NIPTool/parse/batch.py b/NIPTool/parse/batch.py
index 1851439b..e8267a09 100644
--- a/NIPTool/parse/batch.py
+++ b/NIPTool/parse/batch.py
@@ -2,12 +2,12 @@
 import pandas as pd
 import glob
 from NIPTool.exeptions import MissingResultsError, FileValidationError
-from NIPTool.models.nipt_results import nipt_results_schema
+from NIPTool.models.validation_schema import nipt_results_schema
 
 LOG = logging.getLogger(__name__)
 
 
-def parse_batch_file(nipt_results_path: dict) -> list:
+def parse_batch_file(nipt_results_path: str) -> list:
     if not glob.glob(nipt_results_path):
         raise MissingResultsError("Results file missing.")
 
diff --git a/NIPTool/server/templates/sample/sample_tris.html b/NIPTool/server/templates/sample/sample_tris.html
index 1ac0e987..68e579a6 100644
--- a/NIPTool/server/templates/sample/sample_tris.html
+++ b/NIPTool/server/templates/sample/sample_tris.html
@@ -23,7 +23,7 @@
 {% block scripts %}
 <script>  
     var layout = {
-        title: "Sample: {{sample.SampleID}}",
+        title: "Sample: {{sample._id}}",
         legend:{hovermode:'closest' },
         hovermode:'closest',
         annotations : [],
diff --git a/tests/build/test_build_batch.py b/tests/build/test_build_batch.py
new file mode 100644
index 00000000..3ac41a06
--- /dev/null
+++ b/tests/build/test_build_batch.py
@@ -0,0 +1,74 @@
+from NIPTool.build.document import build_batch
+from NIPTool.models.constants import BATCH_KEYS
+import pytest
+
+
+def test_build_batch():
+    # GIVEN a batch_data with requiered key 'SampleProject'
+    batch_data = {
+        "Median_18": 1.01950547134618,
+        "SampleProject": 201862,
+        "Stdev_13": 0.009517510060085,
+    }
+
+    # WHEN building a mongo batch
+    mongo_batch = build_batch(batch_data=batch_data)
+
+    # THEN the mongo_batch has a key "_id" with the value of "SampleProject"
+    assert mongo_batch == {
+        "_id": "201862",
+        "Median_18": 1.01950547134618,
+        "Stdev_13": 0.009517510060085,
+    }
+
+
+def test_build_batch_wrong_keys():
+    # GIVEN a batch_data with not accepted keys: key1 key2 key3
+    batch_data = {
+        "SampleProject": 201862,
+        "key1": " ",
+        "key2": 201862,
+        "key3": -10.1836097044367,
+    }
+
+    # WHEN building a mongo batch
+    mongo_batch = build_batch(batch_data=batch_data)
+
+    # THEN the unaccepted keys will not be part of the mongo_batch"
+    assert mongo_batch == {"_id": "201862"}
+
+
+@pytest.mark.parametrize("batch_key", BATCH_KEYS)
+def test_build_batch_str_values(batch_key):
+    # GIVEN a batch_data dict with requiered key 'SampleProject' and a batch_key with some str value
+    batch_data = {"SampleProject": 201862, batch_key: "Value"}
+
+    # WHEN building a mongo batch
+    mongo_batch = build_batch(batch_data=batch_data)
+
+    # THEN the the batch_key will be loaded into the mongo_batch dict
+    assert mongo_batch == {"_id": "201862", batch_key: "Value"}
+
+
+@pytest.mark.parametrize("batch_key", BATCH_KEYS)
+def test_build_batch_zero_values(batch_key):
+    # GIVEN a batch_data dict with requiered key 'SampleProject' and a batch_key with value 0
+    batch_data = {"SampleProject": 201862, batch_key: 0}
+
+    # WHEN building a mongo batch
+    mongo_batch = build_batch(batch_data=batch_data)
+
+    # THEN the the batch_key will be loaded into the mongo_batch dict
+    assert mongo_batch == {"_id": "201862", batch_key: 0}
+
+
+@pytest.mark.parametrize("batch_key", BATCH_KEYS)
+def test_build_batch_empty_strings(batch_key):
+    # GIVEN a batch_data dict with requiered key 'SampleProject' and a batch_key with empty string as value
+    batch_data = {"SampleProject": 201862, batch_key: " "}
+
+    # WHEN building a mongo batch
+    mongo_batch = build_batch(batch_data=batch_data)
+
+    # THEN the the batch_key will not be loaded into the mongo_batch dict
+    assert mongo_batch == {"_id": "201862"}
\ No newline at end of file
diff --git a/tests/build/test_build_sample.py b/tests/build/test_build_sample.py
index 0dd3ac4d..4eda2bc0 100644
--- a/tests/build/test_build_sample.py
+++ b/tests/build/test_build_sample.py
@@ -1,24 +1,91 @@
-from NIPTool.build.sample import build_sample	
-import pytest	
+from NIPTool.build.document import build_sample
+from NIPTool.models.constants import SAMPLE_KEYS
+import pytest
 
 
-def test_build_sample():	
-   # GIVEN a sample_data with requiered key 'SampleID'	
-   sample_data = {"SampleID": "2020-07452-02",
-                  "SampleType": " ",
-                  "Description": " ",
-                  "SampleProject": 201862,
-                  "Zscore_13": -10.1836097044367}	
+def test_build_sample():
+    # GIVEN a sample_data with requiered key 'SampleID'
+    sample_data = {
+        "SampleID": "2020-07452-02",
+        "Description": " ",
+        "Zscore_13": -10.1836097044367,
+    }
 
-   # WHEN building a mongo application tag	
-   mongo_application_tag = build_sample(sample_data = sample_data)	
+    # WHEN building a mongo sample
+    mongo_sample = build_sample(sample_data=sample_data)
 
-   # THEN assert mongo_application_tag is 
-   # {"_id": "2020-07452-02","SampleID": "2020-07452-02",
-   # "SampleProject": "201862","Zscore_13": -10.1836097044367} 
+    # THEN the mongo_sample has a key "_id" with the value of "SampleID"
+    assert mongo_sample == {
+        "_id": "2020-07452-02",
+        "Zscore_13": -10.1836097044367,
+    }
 
-   assert mongo_application_tag ==  {"_id": "2020-07452-02", 
-                                     "SampleID": "2020-07452-02",
-                                     "SampleProject": "201862",
-                                     "Zscore_13": -10.1836097044367}
 
+def test_build_sample_SampleProject_key():
+    # GIVEN a sample_data with requiered key 'SampleID' and 'SampleProject' in int format
+    sample_data = {
+        "SampleID": "2020-07452-02",
+        "SampleProject": 201862,
+    }
+
+    # WHEN building a mongo sample
+    mongo_sample = build_sample(sample_data=sample_data)
+
+    # THEN the value of "SampleProject" is in str format
+    assert mongo_sample == {
+        "_id": "2020-07452-02",
+        "SampleProject": "201862",
+    }
+
+
+def test_build_sample_wrong_keys():
+    # GIVEN a sample_data with not accepted keys: key1 key2 key3
+    sample_data = {
+        "SampleID": "2020-07452-02",
+        "key1": " ",
+        "key2": 201862,
+        "key3": -10.1836097044367,
+    }
+
+    # WHEN building a mongo sample
+    mongo_sample = build_sample(sample_data=sample_data)
+
+    # THEN the unaccepted keys will not be part of the mongo_sample"
+    assert mongo_sample == {"_id": "2020-07452-02"}
+
+
+@pytest.mark.parametrize("sample_key", SAMPLE_KEYS)
+def test_build_sample_str_values(sample_key):
+    # GIVEN a sample_data dict with requiered key 'SampleID' and a sample_key with some str value
+    sample_data = {"SampleID": "2020-07452-02", sample_key: "Value"}
+
+    # WHEN building a mongo sample
+    mongo_sample = build_sample(sample_data=sample_data)
+
+    # THEN the the sample_key will be loaded into the mongo_sample dict
+    if sample_key == "SampleID":
+        assert mongo_sample == {"_id": "2020-07452-02", sample_key: "Value"}
+
+
+@pytest.mark.parametrize("sample_key", SAMPLE_KEYS)
+def test_build_sample_empty_strings(sample_key):
+    # GIVEN a sample_data dict with requiered key 'SampleID' and a sample_key with empty string as value
+    sample_data = {"SampleID": "2020-07452-02", sample_key: " "}
+
+    # WHEN building a mongo sample
+    mongo_sample = build_sample(sample_data=sample_data)
+
+    # THEN the the sample_key will not be loaded into the mongo_sample dict
+    assert mongo_sample == {"_id": "2020-07452-02"}
+
+
+@pytest.mark.parametrize("sample_key", SAMPLE_KEYS)
+def test_build_sample_zero_values(sample_key):
+    # GIVEN a sample_data dict with requiered key 'SampleID' and a sample_key with value 0
+    sample_data = {"SampleID": "2020-07452-02", sample_key: 0}
+
+    # WHEN building a mongo sample
+    mongo_sample = build_sample(sample_data=sample_data)
+
+    # THEN the the sample_key will be loaded into the mongo_sample dict
+    assert mongo_sample == {"_id": "2020-07452-02", sample_key: 0}
diff --git a/tests/commands/load/test_load_batch.py b/tests/commands/load/test_load_batch.py
new file mode 100644
index 00000000..09e97049
--- /dev/null
+++ b/tests/commands/load/test_load_batch.py
@@ -0,0 +1,56 @@
+from NIPTool.commands.load.batch import batch
+from NIPTool.server import create_app
+from NIPTool.commands.base import cli
+from NIPTool.adapter.plugin import NiptAdapter
+
+
+app = create_app(test=True)
+
+
+def test_batch_valid_file(database, valid_csv):
+    app.db = database
+    app.adapter = NiptAdapter(database.client, db_name=database.name)
+
+    # GIVEN a valid csv file with three samples
+
+    # WHEN loading the batch file with correct foramted input string
+    runner = app.test_cli_runner()
+    result = runner.invoke(cli, ["load", "batch", "-b", valid_csv])
+
+    # THEN assert the new apptags should be added to the colleciton
+    assert app.adapter.sample_collection.estimated_document_count() == 3
+    assert app.adapter.batch_collection.estimated_document_count() == 1
+
+
+def test_batch_invalid_file(database, invalid_csv):
+    app.db = database
+    app.adapter = NiptAdapter(database.client, db_name=database.name)
+
+    # GIVEN a invalid csv file
+
+    # WHEN loading the batch file with correct foramted input string
+    runner = app.test_cli_runner()
+    result = runner.invoke(cli, ["load", "batch", "-b", invalid_csv])
+
+    # THEN assert nothing added to sample or batch collections
+    # THEN assert Badly formated csv! Can not load. Exiting.
+    assert app.adapter.sample_collection.estimated_document_count() == 0
+    assert app.adapter.batch_collection.estimated_document_count() == 0
+    assert result.exit_code == 1
+
+
+def test_batch_no_file(database):
+    app.db = database
+    app.adapter = NiptAdapter(database.client, db_name=database.name)
+
+    # GIVEN a invalid csv file
+
+    # WHEN loading the batch file with correct foramted input string
+    runner = app.test_cli_runner()
+    result = runner.invoke(cli, ["load", "batch", "-b", "wrong/path"])
+
+    # THEN assert nothing added to sample or batch collections
+    # THEN assert Badly formated csv! Can not load. Exiting.
+    assert app.adapter.sample_collection.estimated_document_count() == 0
+    assert app.adapter.batch_collection.estimated_document_count() == 0
+    assert result.exit_code == 1
\ No newline at end of file
diff --git a/tests/conftest.py b/tests/conftest.py
new file mode 100644
index 00000000..5912a902
--- /dev/null
+++ b/tests/conftest.py
@@ -0,0 +1,45 @@
+import pytest
+
+from mongomock import MongoClient
+
+DATABASE = 'testdb'
+
+@pytest.fixture(scope='function')
+def pymongo_client(request):
+    """Get a client to the mongo database"""
+    
+    mock_client = MongoClient()
+
+    def teardown():
+        mock_client.drop_database(DATABASE)
+
+    request.addfinalizer(teardown)
+    return mock_client
+
+
+@pytest.fixture(scope='function')
+def database(request, pymongo_client):
+    """Get an adapter connected to mongo database"""
+
+    mongo_client = pymongo_client
+    database = mongo_client[DATABASE]
+    return database
+
+
+##########################################
+###### fixture files for input csv ######
+##########################################
+
+
+@pytest.fixture
+def valid_csv():
+    """Get file path to valid csv"""
+    
+    return 'tests/fixtures/valid_fluffy.csv'
+
+
+@pytest.fixture
+def invalid_csv():
+    """Get file path to invalid csv"""
+
+    return 'tests/fixtures/not_a_valid_fluffy.csv'
\ No newline at end of file
diff --git a/tests/fixtures/not_a_valid_fluffy.csv b/tests/fixtures/not_a_valid_fluffy.csv
new file mode 100644
index 00000000..c313d2c1
--- /dev/null
+++ b/tests/fixtures/not_a_valid_fluffy.csv
@@ -0,0 +1,4 @@
+o_18,Ratio_21,Ratio_X,Ratio_Y,MappedReads,GC_Dropout,AT_Dropout,Chr1_Ratio,Chr2_Ratio,Chr3_Ratio,Chr4_Ratio,Chr5_Ratio,Chr6_Ratio,Chr7_Ratio,Chr8_Ratio,Chr9_Ratio,Chr10_Ratio,Chr11_Ratio,Chr12_Ratio,Chr14_Ratio,Chr15_Ratio,Chr16_Ratio,Chr17_Ratio,Chr19_Ratio,Chr20_Ratio,Chr22_Ratio,Chr1,Chr2,Chr3,Chr4,Chr5,Chr6,Chr7,Chr8,Chr9,Chr10,Chr11,Chr12,Chr13,Chr14,Chr15,Chr16,Chr17,Chr18,Chr19,Chr20,Chr21,Chr22,ChrX,ChrY,Median_13,Median_18,Median_21,Median_X,Median_Y,Stdev_13,Stdev_18,Stdev_21,Stdev_X,Stdev_Y,FF_Formatted,FFY,FFX,DuplicationRate,Bin2BinVariance,UnfilteredCNVcalls,CNVSegment
+ ,2020-03-10,,,,201862,CAGGTTCC,CGAACACC,,,1.56645731780181,5.7935003491953,-0.034484656889219,-22.4484387749091,1.00392976488,1.0145378044,0.999592517988,0.895534547566,0.00010705927715,29208118,1.2E-05,33.401583,0.995645196832,0.993212778561,0.962823087616,1.06202342547,0.99049923318,1.00919569724,1.03740345147,0.98228215486,0.980352236205,0.990497684064,0.961517632949,1.01303209758,0.986809900603,0.995026518647,0.996175293127,1.03451169241,1.04821216494,0.95282466333,1.04782507766,2029934,1858430,1420819,1157784,1259965,1230164,1245957,1088639,967314,1175662,1072024,1072024,626410,735444,748838,876563,935427,569534,745983,662560,297366,486441,1010813,3127,0.994623404680424,1.01950547134618,1.00710552415657,0.840822847230173,0.000112249820909,0.014076824975767,0.009517510060085,0.006751174544696,0.029800076293786,6.53186791196846E-05,9.804,0.0,10.44,0.1005291748,0.024194141925153,47,Found
+,2020-03-10,,,,201862,TTACCTGG,ACGATTGC,,,1.38366647361139,5.81331308777849,3.70734623274885,-35.5689808856014,1.00345380527,1.01458753978,1.01449670237,0.834596652286,0.000183798072485,19619357,0.000187,33.815994,0.990601777174,0.995167604367,0.962072961919,1.05777118464,0.993385479259,1.01240316831,1.03903325686,0.991366632222,0.983488534995,0.993293317385,0.95505612457,1.01314923931,0.973499284889,0.991858047435,0.988736547703,1.03613747718,1.05346928988,0.947528223568,1.03829176495,1354513,1243481,947437,772255,840547,827926,833468,730865,648361,787219,716799,716799,419651,486482,500012,580410,626225,378761,503768,442069,201359,324729,645131,3606,0.994623404680424,1.01950547134618,1.00710552415657,0.840822847230173,0.000112249820909,0.014076824975767,0.009517510060085,0.006751174544696,0.029800076293786,6.53186791196846E-05,10.56,4.6048225214,17.59,0.103652428568,0.023080843735203,42,Found
+2020-07455-02,2020-03-10,,,,201862,CTATCATT,GACCACCT,,,1.19771475047014,5.9936781609917,0.172213067367254,-27.3372140187147,1.00296961522,1.01504030531,1.00041582109,0.872828803296,0.000101746653098,30035386,9.7E-05,34.339258,0.994369406522,0.994050565447,0.963985487377,1.06586994,0.991903746769,1.01417054338,1.04011435706,0.989841130219,0.987191423231,0.990561923283,0.952624100278,1.01511372968,0.975874349841,0.997388670577,0.996128439123,1.04577514591,1.06297625217,0.947324666538,1.04127965945,2011620,1827738,1395600,1133559,1235029,1212946,1232408,1076087,965009,1163613,1060576,1060576,617068,723824,745525,876814,949260,556232,772443,660420,298174,492289,980817,3056,0.994623404680424,1.01950547134618,1.00710552415657,0.840822847230173,0.000112249820909,0.014076824975767,0.009517510060085,0.006751174544696,0.029800076293786,6.53186791196846E-05,10.87,0.0,12.81,0.100858034586,0.026603482197962,40,HEJ
\ No newline at end of file
diff --git a/tests/fixtures/valid_fluffy.csv b/tests/fixtures/valid_fluffy.csv
new file mode 100644
index 00000000..c8f9aec4
--- /dev/null
+++ b/tests/fixtures/valid_fluffy.csv
@@ -0,0 +1,4 @@
+SampleID,SequencingDate,SampleType,Flowcell,Description,SampleProject,Index1,Index2,Library_nM,QCFlag,Zscore_13,Zscore_18,Zscore_21,Zscore_X,Ratio_13,Ratio_18,Ratio_21,Ratio_X,Ratio_Y,MappedReads,GC_Dropout,AT_Dropout,Chr1_Ratio,Chr2_Ratio,Chr3_Ratio,Chr4_Ratio,Chr5_Ratio,Chr6_Ratio,Chr7_Ratio,Chr8_Ratio,Chr9_Ratio,Chr10_Ratio,Chr11_Ratio,Chr12_Ratio,Chr14_Ratio,Chr15_Ratio,Chr16_Ratio,Chr17_Ratio,Chr19_Ratio,Chr20_Ratio,Chr22_Ratio,Chr1,Chr2,Chr3,Chr4,Chr5,Chr6,Chr7,Chr8,Chr9,Chr10,Chr11,Chr12,Chr13,Chr14,Chr15,Chr16,Chr17,Chr18,Chr19,Chr20,Chr21,Chr22,ChrX,ChrY,Median_13,Median_18,Median_21,Median_X,Median_Y,Stdev_13,Stdev_18,Stdev_21,Stdev_X,Stdev_Y,FF_Formatted,FFY,FFX,DuplicationRate,Bin2BinVariance,UnfilteredCNVcalls,CNVSegment
+2020-07547-02,2020-03-10,,,,201862,CAGGTTCC,CGAACACC,,,1.56645731780181,5.7935003491953,-0.034484656889219,-22.4484387749091,1.00392976488,1.0145378044,0.999592517988,0.895534547566,0.00010705927715,29208118,1.2E-05,33.401583,0.995645196832,0.993212778561,0.962823087616,1.06202342547,0.99049923318,1.00919569724,1.03740345147,0.98228215486,0.980352236205,0.990497684064,0.961517632949,1.01303209758,0.986809900603,0.995026518647,0.996175293127,1.03451169241,1.04821216494,0.95282466333,1.04782507766,2029934,1858430,1420819,1157784,1259965,1230164,1245957,1088639,967314,1175662,1072024,1072024,626410,735444,748838,876563,935427,569534,745983,662560,297366,486441,1010813,3127,0.994623404680424,1.01950547134618,1.00710552415657,0.840822847230173,0.000112249820909,0.014076824975767,0.009517510060085,0.006751174544696,0.029800076293786,6.53186791196846E-05,9.804,0.0,10.44,0.1005291748,0.024194141925153,47,Found
+2020-07649-02,2020-03-10,,,,201862,TTACCTGG,ACGATTGC,,,1.38366647361139,5.81331308777849,3.70734623274885,-35.5689808856014,1.00345380527,1.01458753978,1.01449670237,0.834596652286,0.000183798072485,19619357,0.000187,33.815994,0.990601777174,0.995167604367,0.962072961919,1.05777118464,0.993385479259,1.01240316831,1.03903325686,0.991366632222,0.983488534995,0.993293317385,0.95505612457,1.01314923931,0.973499284889,0.991858047435,0.988736547703,1.03613747718,1.05346928988,0.947528223568,1.03829176495,1354513,1243481,947437,772255,840547,827926,833468,730865,648361,787219,716799,716799,419651,486482,500012,580410,626225,378761,503768,442069,201359,324729,645131,3606,0.994623404680424,1.01950547134618,1.00710552415657,0.840822847230173,0.000112249820909,0.014076824975767,0.009517510060085,0.006751174544696,0.029800076293786,6.53186791196846E-05,10.56,4.6048225214,17.59,0.103652428568,0.023080843735203,42,Found
+2020-07455-02,2020-03-10,,,,201862,CTATCATT,GACCACCT,,,1.19771475047014,5.9936781609917,0.172213067367254,-27.3372140187147,1.00296961522,1.01504030531,1.00041582109,0.872828803296,0.000101746653098,30035386,9.7E-05,34.339258,0.994369406522,0.994050565447,0.963985487377,1.06586994,0.991903746769,1.01417054338,1.04011435706,0.989841130219,0.987191423231,0.990561923283,0.952624100278,1.01511372968,0.975874349841,0.997388670577,0.996128439123,1.04577514591,1.06297625217,0.947324666538,1.04127965945,2011620,1827738,1395600,1133559,1235029,1212946,1232408,1076087,965009,1163613,1060576,1060576,617068,723824,745525,876814,949260,556232,772443,660420,298174,492289,980817,3056,0.994623404680424,1.01950547134618,1.00710552415657,0.840822847230173,0.000112249820909,0.014076824975767,0.009517510060085,0.006751174544696,0.029800076293786,6.53186791196846E-05,10.87,0.0,12.81,0.100858034586,0.026603482197962,40,Found
\ No newline at end of file
diff --git a/tests/parse/test_parse_batch.py b/tests/parse/test_parse_batch.py
new file mode 100644
index 00000000..65aec0e1
--- /dev/null
+++ b/tests/parse/test_parse_batch.py
@@ -0,0 +1,34 @@
+  
+from NIPTool.parse.batch import parse_batch_file	
+import pytest	
+from NIPTool.exeptions import MissingResultsError, FileValidationError
+
+def test_build_application_tag(valid_csv):	
+   # GIVEN a valid csv file 	
+
+   # WHEN running parse_batch_file
+   results = parse_batch_file(valid_csv)	
+
+   # THEN assert results is a list and it has length 3
+   assert isinstance(results, list)
+   assert len(results)==3
+
+
+def test_parse_batch_file_with_missing_data(invalid_csv):	
+    # GIVEN a csv file with missing SampleID
+
+    # WHEN running parse_batch_file	
+
+    # THEN assert FileValidationError
+    with pytest.raises(FileValidationError):	
+        parse_batch_file(invalid_csv)
+
+
+def test_parse_batch_file_with_missing_file():	
+    # GIVEN a non existing csv file
+
+    # WHEN running parse_batch_file	
+
+    # THEN assert MissingResultsError
+    with pytest.raises(MissingResultsError):	
+        parse_batch_file('file_path')
\ No newline at end of file