diff --git a/test/test_analytics/test_analyzer_go_call.py b/test/test_analytics/test_analyzer_go_call.py
new file mode 100644
index 00000000000..b9d1ba6ce6b
--- /dev/null
+++ b/test/test_analytics/test_analyzer_go_call.py
@@ -0,0 +1,186 @@
+import os
+import time
+import pytest
+import shutil
+import subprocess
+import tempfile
+from persper.analytics.graph_server import GO_FILENAME_REGEXES
+from persper.analytics.go import GoGraphServer
+from persper.analytics.analyzer import Analyzer
+from persper.util.path import root_path
+
+# TODO: Use a port other than the default 8080 in case of collision
+server_port = 9089
+server_addr = ':%d' % server_port
+
+
+@pytest.fixture(scope='module')
+def az():
+    """ Build the test repo if not already exists
+
+    Args:
+            repo_path - A string, path to the to-be-built test repo
+          script_path - A string, path to the repo creator script
+        test_src_path - A string, path to the dir to be passed to repo creator
+    """
+    repo_path = os.path.join(root_path, 'repos/go_test_call')
+    script_path = os.path.join(root_path, 'tools/repo_creater/create_repo.py')
+    test_src_path = os.path.join(root_path, 'test/go_test_call')
+    server_addr = 'http://localhost:%d' % server_port
+
+    # Always use latest source to create test repo
+    if os.path.exists(repo_path):
+        shutil.rmtree(repo_path)
+
+    cmd = '{} {}'.format(script_path, test_src_path)
+    subprocess.call(cmd, shell=True)
+
+    return Analyzer(repo_path, GoGraphServer(server_addr, GO_FILENAME_REGEXES))
+
+def build_graph_server():
+    temp_dir = tempfile.gettempdir()
+    graph_server_src = os.path.join(temp_dir, 'merico', 'src', 'graph-server')
+    graph_server_bin = os.path.join(temp_dir, 'merico', 'bin', 'graphserver')
+    if not os.path.isdir(graph_server_src):
+        ret = subprocess.call(
+            ["git", "clone", "git@gitlab.com:meri.co/golang/graph-server.git", graph_server_src])
+        if ret != 0:
+            print("git clone failed")
+            exit(1)
+        ret = subprocess.call(
+            ["git", "checkout", "-b", "fix-patch", "fix-patch-parser"],
+            cwd=graph_server_src)
+        if ret != 0:
+            print("git checkout failed")
+            exit(1)
+    print("graph server src location:", graph_server_src)
+    ret = subprocess.call(["git", "pull"], cwd=graph_server_src)
+    if ret != 0:
+        print("git pull failed")
+        exit(1)
+    ret = subprocess.call(
+        ["go", "build", "-o", graph_server_bin, "gitlab.com/meri.co/golang/gs/app/graphserver"],
+        cwd=graph_server_src)
+    if ret != 0:
+        print("go build failed")
+        exit(1)
+    print("graph server bin location:", graph_server_bin)
+    return graph_server_bin
+
+
+def run_graph_server(graph_server_bin):
+    p = subprocess.Popen([graph_server_bin, "-addr", server_addr])
+    print("graph server pid:", p.pid)
+    return p
+
+
+def test_analzyer_go(az):
+    graph_server_bin = build_graph_server()
+    graph_server_proc = run_graph_server(graph_server_bin)
+
+    try:
+        az._graph_server.reset_graph()
+        az.analyze()
+        ccgraph = az.get_graph()
+
+        history_truth = {
+            'A': {
+                'main.go::funcA': 3,
+                'main.go::main': 2
+                },
+            'B': {'main.go::funcA': 0,
+                'main.go::main': 1},
+            'C': {'main.go::funcA': 0,
+                'main.go::main': 1
+                },
+            'D': {'main.go::funcB': 3,
+                'main.go::main': 1,
+                'main.go::funcA': 3
+                },
+            'E': {
+                'main.go::funcB': 0,
+                'main.go::main': 0,
+                'main.go::funcA': 0 
+                },
+            'F': {
+                'main.go::funcA': 1,
+                'main.go::main': 0,
+            },
+            'G': {
+                'main.go::funcA': 1,
+                'main.go::main': 0, 
+            },            
+            'H': {
+                'main.go::funcA': 1,
+                'main.go::main': 0,   
+            },            
+            'I': {
+                'main.go::funcA': 1,
+                'main.go::main': 0,   
+            },           
+            'J': {
+                'main.go::funcA': 1,
+                'main.go::main': 0,   
+           }, 
+            'K': {
+                'main.go::funcA': 1,
+                'main.go::main': 0,   
+           }, 
+            'L': {
+                'main.go::funcA': 0,
+                'main.go::main': 1,   
+           }, 
+            'M': {'main.go::funcA': 1,
+                'main.go::main': 3
+            },
+            'N': {'main.go::funcA': 0,
+                'main.go::main': 0},
+        }
+
+
+        commits = ccgraph.commits()
+        for func, data in ccgraph.nodes(data=True):
+            history = data['history']
+            for cindex, csize in history.items():
+                commit_message = commits[int(cindex)]['message']
+                assert (csize == history_truth[commit_message.strip()][func])
+
+
+        edges_added_by_A = set([        ])
+        edges_added_by_B = set([('main.go::main','main.go::funcA'),])
+        edges_added_by_C = set([
+        ])
+        edges_added_by_D = set([
+            ('main.go::main','main.go::funcB')
+        ])
+        edges_added_by_E = set([
+
+        ])
+        edges_added_by_F = set([
+            ('main.go::main','main.go::return_1'),
+
+        ])
+        edges_added_by_G = set([
+            ('main.go::main','main.go:Rect:Abs'),
+        ])        
+        edges_added_by_H = set([
+            ('main.go:Rect:Abs', 'main.go::funcA'),
+        ]) 
+        edges_added_by_I = set([
+        ])  
+        edges_added_by_J = set([
+        ]) 
+        edges_added_by_K = set([
+        ])     
+        edges_added_by_L = set([
+        ]) 
+        edges_added_by_M = set([
+        ])     
+        edges_added_by_N = set([
+        ])     
+        all_edges = edges_added_by_A.union(edges_added_by_B).union(edges_added_by_C).union(edges_added_by_D).union(edges_added_by_E).union(edges_added_by_F) \
+        .union(edges_added_by_G).union(edges_added_by_H).union(edges_added_by_I).union(edges_added_by_J).union(edges_added_by_K)
+        assert (set(az._graph_server.get_graph().edges()) == all_edges)
+
+    finally:
+        graph_server_proc.terminate()
\ No newline at end of file
diff --git a/test/test_analytics/test_analyzer_go_call_manuel.py b/test/test_analytics/test_analyzer_go_call_manuel.py
new file mode 100644
index 00000000000..fb7110d6584
--- /dev/null
+++ b/test/test_analytics/test_analyzer_go_call_manuel.py
@@ -0,0 +1,130 @@
+import os
+import pytest
+import subprocess
+import shutil
+from persper.analytics.c import CGraphServer
+from persper.analytics.analyzer import Analyzer
+from persper.analytics.graph_server import GO_FILENAME_REGEXES
+from persper.analytics.go import GoGraphServer
+from persper.util.path import root_path
+server_port = 9089
+server_addr = ':%d' % server_port
+
+@pytest.fixture(scope='module')
+def az():
+    # build the repo first if not exists yet
+    repo_path = os.path.join(root_path, 'repos/go_test_history')
+    script_path = os.path.join(root_path, 'tools/repo_creater/create_repo.py')
+    test_src_path = os.path.join(root_path, 'test/go_test_history')
+    server_addr = 'http://localhost:%d' % server_port
+    # Always use latest source to create test repo
+    if os.path.exists(repo_path):
+        shutil.rmtree(repo_path)
+
+    cmd = '{} {}'.format(script_path, test_src_path)
+    subprocess.call(cmd, shell=True)
+
+    return Analyzer(repo_path, GoGraphServer(server_addr, GO_FILENAME_REGEXES))
+
+
+@pytest.mark.asyncio
+async def test_analyzer_master_only(az):
+    await az.analyze(from_beginning=True)
+    az._graph_server.reset_graph()
+    az.analyze()
+    ccgraph = az.get_graph()
+    history_truth = {
+            'A': {
+                'main.go::funcA': 3,
+                'main.go::main': 2
+                },
+            'B': {'main.go::funcA': 0,
+                'main.go::main': 1},
+            'C': {'main.go::funcA': 0,
+                'main.go::main': 1
+                },
+            'D': {'main.go::funcB': 3,
+                'main.go::main': 1,
+                'main.go::funcA': 3
+                },
+            'E': {
+                'main.go::funcB': 0,
+                'main.go::main': 0,
+                'main.go::funcA': 0 
+                },
+            'F': {
+                'main.go::funcA': 1,
+                'main.go::main': 0,
+            },
+            'G': {
+                'main.go::funcA': 1,
+                'main.go::main': 0, 
+            },            
+            'H': {
+                'main.go::funcA': 1,
+                'main.go::main': 0,   
+            },            
+            'I': {
+                'main.go::funcA': 1,
+                'main.go::main': 0,   
+            },           
+            'J': {
+                'main.go::funcA': 1,
+                'main.go::main': 0,   
+           }, 
+            'K': {
+                'main.go::funcA': 1,
+                'main.go::main': 0,   
+           }, 
+            'L': {
+                'main.go::funcA': 0,
+                'main.go::main': 1,   
+           }, 
+            'M': {'main.go::funcA': 1,
+                'main.go::main': 3
+            },
+            'N': {'main.go::funcA': 0,
+                'main.go::main': 0},
+        }
+    commits = ccgraph.commits()
+    for func, data in ccgraph.nodes(data=True):
+        history = data['history']
+        for cindex, csize in history.items():
+            commit_message = commits[int(cindex)]['message']
+            assert (csize == history_truth[commit_message.strip()][func])
+
+
+    edges_added_by_A = set([        ])
+    edges_added_by_B = set([('main.go::main','main.go::funcA'),])
+    edges_added_by_C = set([
+        ])
+    edges_added_by_D = set([
+           ('main.go::main','main.go::funcB')
+        ])
+    edges_added_by_E = set([
+        ])
+    edges_added_by_F = set([
+        ('main.go::main','main.go::return_1'),
+        ])
+    edges_added_by_G = set([
+        ('main.go::main','main.go:Rect:Abs'),
+        ])        
+    edges_added_by_H = set([
+        ('main.go:Rect:Abs', 'main.go::funcA'),
+        ]) 
+    edges_added_by_I = set([
+        ])  
+    edges_added_by_J = set([
+        ]) 
+    edges_added_by_K = set([
+        ])     
+    edges_added_by_L = set([
+        ]) 
+    edges_added_by_M = set([
+        ])     
+    edges_added_by_N = set([
+        ])     
+    all_edges = edges_added_by_A.union(edges_added_by_B).union(edges_added_by_C).union(edges_added_by_D).union(edges_added_by_E).union(edges_added_by_F) \
+        .union(edges_added_by_G).union(edges_added_by_H).union(edges_added_by_I).union(edges_added_by_J).union(edges_added_by_K)\
+        .union(edges_added_by_L).union(edges_added_by_M).union(edges_added_by_N)
+    assert (set(az._graph_server.get_graph().edges()) == all_edges)
diff --git a/test/test_analytics/test_analyzer_go_history.py b/test/test_analytics/test_analyzer_go_history.py
new file mode 100644
index 00000000000..3324b144552
--- /dev/null
+++ b/test/test_analytics/test_analyzer_go_history.py
@@ -0,0 +1,210 @@
+import os
+import time
+import pytest
+import shutil
+import subprocess
+import tempfile
+from persper.analytics.graph_server import GO_FILENAME_REGEXES
+from persper.analytics.go import GoGraphServer
+from persper.analytics.analyzer import Analyzer
+from persper.util.path import root_path
+
+# TODO: Use a port other than the default 8080 in case of collision
+server_port = 9089
+server_addr = ':%d' % server_port
+
+
+@pytest.fixture(scope='module')
+def az():
+    """ Build the test repo if not already exists
+
+    Args:
+            repo_path - A string, path to the to-be-built test repo
+          script_path - A string, path to the repo creator script
+        test_src_path - A string, path to the dir to be passed to repo creator
+    """
+    repo_path = os.path.join(root_path, 'repos/go_test_repo_temp')
+    script_path = os.path.join(root_path, 'tools/repo_creater/create_repo.py')
+    test_src_path = os.path.join(root_path, 'test/go_test_repo_temp')
+    server_addr = 'http://localhost:%d' % server_port
+
+    # Always use latest source to create test repo
+    if os.path.exists(repo_path):
+        shutil.rmtree(repo_path)
+
+    cmd = '{} {}'.format(script_path, test_src_path)
+    subprocess.call(cmd, shell=True)
+
+    return Analyzer(repo_path, GoGraphServer(server_addr, GO_FILENAME_REGEXES))
+
+def build_graph_server():
+    temp_dir = tempfile.gettempdir()
+    graph_server_src = os.path.join(temp_dir, 'merico', 'src', 'graph-server')
+    graph_server_bin = os.path.join(temp_dir, 'merico', 'bin', 'graphserver')
+    if not os.path.isdir(graph_server_src):
+        ret = subprocess.call(
+            ["git", "clone", "git@gitlab.com:meri.co/golang/graph-server.git", graph_server_src])
+        if ret != 0:
+            print("git clone failed")
+            exit(1)
+        ret = subprocess.call(
+            ["git", "checkout", "-b", "fix-patch", "fix-patch-parser"],
+            cwd=graph_server_src)
+        if ret != 0:
+            print("git checkout failed")
+            exit(1)
+    print("graph server src location:", graph_server_src)
+    ret = subprocess.call(["git", "pull"], cwd=graph_server_src)
+    if ret != 0:
+        print("git pull failed")
+        exit(1)
+    ret = subprocess.call(
+        ["go", "build", "-o", graph_server_bin, "gitlab.com/meri.co/golang/gs/app/graphserver"],
+        cwd=graph_server_src)
+    if ret != 0:
+        print("go build failed")
+        exit(1)
+    print("graph server bin location:", graph_server_bin)
+    return graph_server_bin
+
+
+def run_graph_server(graph_server_bin):
+    p = subprocess.Popen([graph_server_bin, "-addr", server_addr])
+    print("graph server pid:", p.pid)
+    return p
+
+
+def test_analzyer_go(az):
+    graph_server_bin = build_graph_server()
+    graph_server_proc = run_graph_server(graph_server_bin)
+
+    try:
+        az._graph_server.reset_graph()
+        az.analyze()
+        ccgraph = az.get_graph()
+
+        history_truth = {
+            'A': {
+                'main.go::funcA': 3,
+                'main.go::main': 2
+                },
+            'B': {'main.go::funcA': 0,
+                'main.go::main': 1},
+            'C': {'main.go::funcA': 0,
+                'main.go::main': 1
+                },
+            'D': {'main.go::funcB': 3,
+                'main.go::main': 1,
+                'main.go::funcA': 3
+                },
+            'E': {
+                'main.go::funcB': 0,
+                'main.go::main': 0,
+                'main.go::funcA': 0 
+                },
+            'F': {
+                'main.go::funcA': 1,
+                'main.go::main': 0,
+            },
+            'G': {
+                'main.go::funcA': 1,
+                'main.go::main': 0, 
+            },            
+            'H': {
+                'main.go::funcA': 1,
+                'main.go::main': 0,   
+            },            
+            'I': {
+                'main.go::funcA': 1,
+                'main.go::main': 0,   
+            },           
+            'J': {
+                'main.go::funcA': 1,
+                'main.go::main': 0,   
+           }, 
+            'K': {
+                'main.go::funcA': 1,
+                'main.go::main': 0,   
+           }, 
+            'L': {
+                'main.go::funcA': 2,
+                'main.go::main': 0,   
+           }, 
+            'M': {'main.go::funcA': 2,
+                'main.go::main': 0,
+            },
+            'N': {'main.go::funcA': 2,
+                'main.go::main': 0
+            },
+            'O': {'main.go::funcA': 0,
+                'main.go::main': 0
+            },
+##################todo#################
+            'P': {'main.go::funcA': 2,
+                'main.go::main': 0
+                },
+            'Q': {'main.go::funcA': 2,
+                'main.go::main': 0
+                },            
+        }
+
+
+        commits = ccgraph.commits()
+        for func, data in ccgraph.nodes(data=True):
+            history = data['history']
+            for cindex, csize in history.items():
+                commit_message = commits[int(cindex)]['message']
+                assert (csize == history_truth[commit_message.strip()][func])
+
+        edges_added_by_A = set([
+            ('main.go::main', 'main.go::funcA'),
+            ('main.go::main', 'main.go:Vertex:Abs')
+        ])
+
+        edges_added_by_B = set([
+           ('main.go::main','main.go::funcB'),
+           ('main.go:Vertex:Abs','main.go::funcA')
+        ])
+
+        edges_added_by_C = set([
+        ])
+        
+        edges_added_by_D = set([
+            ('main.go::main','main.go:Vertex:Absp')
+        ])
+
+        edges_added_by_E = set([
+            ('main.go::main','main.go:square:printInfo'),
+            ('main.go::main','main.go:rectangle:printInfo')
+        ])
+        edges_added_by_F = set([
+            ('main.go::main','main.go::invoke'),
+            ('main.go::invoke','main.go:rectangle:printInfo'),
+            ('main.go::invoke','main.go:square:printInfo')
+        ])
+        edges_added_by_G = set([
+            ('main.go::main','main.go:Rect:Abs'),
+        ])        
+
+        edges_added_by_H = set([
+            ('main.go:Rect:Abs', 'main.go::funcA'),
+        ]) 
+        edges_added_by_I = set([
+        ])  
+        edges_added_by_J = set([
+        ]) 
+        edges_added_by_K = set([
+        ])     
+        edges_added_by_L = set([
+        ]) 
+        edges_added_by_M = set([
+        ])     
+        edges_added_by_N = set([
+        ])     
+        all_edges = edges_added_by_A.union(edges_added_by_B).union(edges_added_by_C).union(edges_added_by_D).union(edges_added_by_E).union(edges_added_by_F) \
+        .union(edges_added_by_G).union(edges_added_by_H).union(edges_added_by_I).union(edges_added_by_J)
+        assert (set(az._graph_server.get_graph().edges()) == all_edges)
+
+    finally:
+        graph_server_proc.terminate()
+
diff --git a/test/test_analytics/test_analyzer_go_history_manuel.py b/test/test_analytics/test_analyzer_go_history_manuel.py
new file mode 100644
index 00000000000..68b0e80d8f8
--- /dev/null
+++ b/test/test_analytics/test_analyzer_go_history_manuel.py
@@ -0,0 +1,142 @@
+import os
+import pytest
+import subprocess
+import shutil
+from persper.analytics.c import CGraphServer
+from persper.analytics.analyzer import Analyzer
+from persper.analytics.graph_server import GO_FILENAME_REGEXES
+from persper.analytics.go import GoGraphServer
+from persper.util.path import root_path
+
+server_port = 9089
+server_addr = ':%d' % server_port
+@pytest.fixture(scope='module')
+def az():
+    # build the repo first if not exists yet
+    repo_path = os.path.join(root_path, 'repos/go_test_history')
+    script_path = os.path.join(root_path, 'tools/repo_creater/create_repo.py')
+    test_src_path = os.path.join(root_path, 'test/go_test_history')
+    server_addr = 'http://localhost:%d' % server_port
+    # Always use latest source to create test repo
+    if os.path.exists(repo_path):
+        shutil.rmtree(repo_path)
+
+    cmd = '{} {}'.format(script_path, test_src_path)
+    subprocess.call(cmd, shell=True)
+
+    return Analyzer(repo_path, GoGraphServer(server_addr, GO_FILENAME_REGEXES))
+
+
+@pytest.mark.asyncio
+async def test_analyzer_master_only(az):
+    await az.analyze(from_beginning=True)
+    az._graph_server.reset_graph()
+    az.analyze()
+    ccgraph = az.get_graph()
+
+    history_truth = {
+            'A': {
+                'main.go::funcA': 3,
+                'main.go::main': 2
+                },
+            'B': {'main.go::funcA': 0,
+                'main.go::main': 1},
+            'C': {'main.go::funcA': 0,
+                'main.go::main': 1
+                },
+            'D': {'main.go::funcB': 3,
+                'main.go::main': 1,
+                'main.go::funcA': 3
+                },
+            'E': {
+                'main.go::funcB': 0,
+                'main.go::main': 0,
+                'main.go::funcA': 0 
+                },
+            'F': {
+                'main.go::funcA': 1,
+                'main.go::main': 0,
+            },
+            'G': {
+                'main.go::funcA': 1,
+                'main.go::main': 0, 
+            },            
+            'H': {
+                'main.go::funcA': 1,
+                'main.go::main': 0,   
+            },            
+            'I': {
+                'main.go::funcA': 1,
+                'main.go::main': 0,   
+            },           
+            'J': {
+                'main.go::funcA': 1,
+                'main.go::main': 0,   
+           }, 
+            'K': {
+                'main.go::funcA': 1,
+                'main.go::main': 0,   
+           }, 
+            'L': {
+                'main.go::funcA': 2,
+                'main.go::main': 0,   
+           }, 
+            'M': {'main.go::funcA': 2,
+                'main.go::main': 0,
+            },
+            'N': {'main.go::funcA': 2,
+                'main.go::main': 0
+            },
+            'O': {'main.go::funcA': 0,
+                'main.go::main': 0
+            },
+##################todo#################
+            'P': {'main.go::funcA': 2,
+                'main.go::main': 0
+                },
+            'Q': {'main.go::funcA': 2,
+                'main.go::main': 0
+                },            
+        }
+    commits = ccgraph.commits()
+    for func, data in ccgraph.nodes(data=True):
+        history = data['history']
+        for cindex, csize in history.items():
+            commit_message = commits[int(cindex)]['message']
+            assert (csize == history_truth[commit_message.strip()][func])
+
+
+    edges_added_by_A = set([        ])
+    edges_added_by_B = set([('main.go::main','main.go::funcA'),])
+    edges_added_by_C = set([
+        ])
+    edges_added_by_D = set([
+           ('main.go::main','main.go::funcB')
+        ])
+    edges_added_by_E = set([
+        ])
+    edges_added_by_F = set([
+        ('main.go::main','main.go::return_1'),
+        ])
+    edges_added_by_G = set([
+        ('main.go::main','main.go:Rect:Abs'),
+        ])        
+    edges_added_by_H = set([
+        ('main.go:Rect:Abs', 'main.go::funcA'),
+        ]) 
+    edges_added_by_I = set([
+        ])  
+    edges_added_by_J = set([
+        ]) 
+    edges_added_by_K = set([
+        ])     
+    edges_added_by_L = set([
+        ]) 
+    edges_added_by_M = set([
+        ])     
+    edges_added_by_N = set([
+        ])     
+    all_edges = edges_added_by_A.union(edges_added_by_B).union(edges_added_by_C).union(edges_added_by_D).union(edges_added_by_E).union(edges_added_by_F) \
+        .union(edges_added_by_G).union(edges_added_by_H).union(edges_added_by_I).union(edges_added_by_J).union(edges_added_by_K)\
+        .union(edges_added_by_L).union(edges_added_by_M).union(edges_added_by_N)
+    assert (set(az._graph_server.get_graph().edges()) == all_edges)
diff --git a/test/test_analytics/test_analyzer_go_test_feature_branch_manuel.py b/test/test_analytics/test_analyzer_go_test_feature_branch_manuel.py
new file mode 100644
index 00000000000..35533ededf6
--- /dev/null
+++ b/test/test_analytics/test_analyzer_go_test_feature_branch_manuel.py
@@ -0,0 +1,128 @@
+import os
+import pytest
+import subprocess
+import shutil
+from persper.analytics.c import GoGraphServer
+from persper.analytics.analyzer import Analyzer
+from persper.analytics.graph_server import C_FILENAME_REGEXES
+from persper.util.path import root_path
+
+
+@pytest.fixture(scope='module')
+def az():
+    # build the repo first if not exists yet
+    repo_path = os.path.join(root_path, 'repos/go_test_history')
+    script_path = os.path.join(root_path, 'tools/repo_creater/create_repo.py')
+    test_src_path = os.path.join(root_path, 'test/go_test_history')
+
+    # Always use latest source to create test repo
+    if os.path.exists(repo_path):
+        shutil.rmtree(repo_path)
+
+    cmd = '{} {}'.format(script_path, test_src_path)
+    subprocess.call(cmd, shell=True)
+
+    return Analyzer(repo_path, GoGraphServer(C_FILENAME_REGEXES))
+
+
+@pytest.mark.asyncio
+async def test_analyzer_master_only(az):
+    await az.analyze(from_beginning=True)
+    ccgraph = az.get_graph()
+
+    history_truth = {
+            'A': {
+                'main.go::funcA': 3,
+                'main.go::main': 2
+                },
+            'B': {'main.go::funcA': 0,
+                'main.go::main': 1},
+            'C': {'main.go::funcA': 0,
+                'main.go::main': 1
+                },
+            'D': {'func.go::funcB': 3,
+                'main.go::main': 2,
+                'main.go::funcA': 0,
+                "func.go::return_1":4
+                },
+            'E': {
+                'func.go::funcB': 0,
+                'main.go::main': 2,
+                'main.go::funcA': 0 ,
+                "func.go::return_1":4
+                },
+            'F': {
+                'main.go::funcA': 1,
+                'main.go::main': 0,
+            },
+            'G': {
+                'main.go::funcA': 1,
+                'main.go::main': 0, 
+            },            
+            'H': {
+                'main.go::funcA': 0,
+                'main.go::main': 1,   
+                'func.go::funcB': 0,
+                'func.go::return_1': 0,
+            },            
+            'I': {
+                'main.go::funcA': 0,
+                'main.go::main': 1,   
+                'func.go::funcB': 0,
+                'func.go::return_1': 0,
+            },           
+            'J': {
+                'main.go::funcA': 0,
+                'main.go::main': 1,   
+                'func.go::funcB': 3,
+                'func.go::return_1': 4,
+           }, 
+            'K': {
+                'main.go::funcA': 0,
+                'main.go::main': 1,  
+                'func.go::funcB': 0,
+                'func.go::return_1': 0, 
+           }, 
+        }
+    commits = ccgraph.commits()
+    for func, data in ccgraph.nodes(data=True):
+        history = data['history']
+        for cindex, csize in history.items():
+            commit_message = commits[int(cindex)]['message']
+            assert (csize == history_truth[commit_message.strip()][func])
+
+
+    edges_added_by_A = set([        ])
+    edges_added_by_B = set([('main.go::main','main.go::funcA'),])
+    edges_added_by_C = set([
+        ])
+    edges_added_by_D = set([
+           ('main.go::main','main.go::funcB')
+        ])
+    edges_added_by_E = set([
+        ])
+    edges_added_by_F = set([
+        ('main.go::main','main.go::return_1'),
+        ])
+    edges_added_by_G = set([
+        ('main.go::main','main.go:Rect:Abs'),
+        ])        
+    edges_added_by_H = set([
+        ('main.go:Rect:Abs', 'main.go::funcA'),
+        ]) 
+    edges_added_by_I = set([
+        ])  
+    edges_added_by_J = set([
+        ]) 
+    edges_added_by_K = set([
+        ])     
+    edges_added_by_L = set([
+        ]) 
+    edges_added_by_M = set([
+        ])     
+    edges_added_by_N = set([
+        ])     
+    all_edges = edges_added_by_A.union(edges_added_by_B).union(edges_added_by_C).union(edges_added_by_D).union(edges_added_by_E).union(edges_added_by_F) \
+        .union(edges_added_by_G).union(edges_added_by_H).union(edges_added_by_I).union(edges_added_by_J).union(edges_added_by_K)\
+        .union(edges_added_by_L).union(edges_added_by_M).union(edges_added_by_N)
+    assert (set(az._graph_server.get_graph().edges()) == all_edges)