Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

11 files changed, 999 insertions, 0 deletions

diff --git a/testing/mozbase/mozpower/tests/conftest.py b/testing/mozbase/mozpower/tests/conftest.py
new file mode 100644
index 0000000000..9d81b0229b
--- /dev/null
+++ b/testing/mozbase/mozpower/tests/conftest.py
@@ -0,0 +1,103 @@
+import os
+import tempfile
+import time
+from unittest import mock
+
+import pytest
+from mozpower import MozPower
+from mozpower.intel_power_gadget import IntelPowerGadget, IPGResultsHandler
+from mozpower.macintelpower import MacIntelPower
+from mozpower.powerbase import PowerBase
+
+
+def os_side_effect(*args, **kwargs):
+    """Used as a side effect to os.path.exists when
+    checking if the Intel Power Gadget executable exists.
+    """
+    return True
+
+
+def subprocess_side_effect(*args, **kwargs):
+    """Used as a side effect when running the Intel Power
+    Gadget tool.
+    """
+    time.sleep(1)
+
+
+@pytest.fixture(scope="function")
+def powermeasurer():
+    """Returns a testing subclass of the PowerBase class
+    for testing.
+    """
+
+    class PowerMeasurer(PowerBase):
+        pass
+
+    return PowerMeasurer()
+
+
+@pytest.fixture(scope="function")
+def ipg_obj():
+    """Returns an IntelPowerGadget object with the test
+    output file path.
+    """
+    return IntelPowerGadget(
+        "ipg-path",
+        output_file_path=os.path.abspath(os.path.dirname(__file__))
+        + "/files/raptor-tp6-amazon-firefox_powerlog",
+    )
+
+
+@pytest.fixture(scope="function")
+def ipg_rh_obj():
+    """Returns an IPGResultsHandler object set up with the
+    test files and cleans up the directory after the tests
+    are complete.
+    """
+    base_path = os.path.abspath(os.path.dirname(__file__)) + "/files/"
+    tmpdir = tempfile.mkdtemp()
+
+    # Return the results handler for the test
+    yield IPGResultsHandler(
+        [
+            base_path + "raptor-tp6-amazon-firefox_powerlog_1_.txt",
+            base_path + "raptor-tp6-amazon-firefox_powerlog_2_.txt",
+            base_path + "raptor-tp6-amazon-firefox_powerlog_3_.txt",
+        ],
+        tmpdir,
+    )
+
+
+@pytest.fixture(scope="function")
+def macintelpower_obj():
+    """Returns a MacIntelPower object with subprocess.check_output
+    and os.path.exists calls patched with side effects.
+    """
+    with mock.patch("subprocess.check_output") as subprocess_mock:
+        with mock.patch("os.path.exists") as os_mock:
+            subprocess_mock.side_effect = subprocess_side_effect
+            os_mock.side_effect = os_side_effect
+
+            yield MacIntelPower(ipg_measure_duration=2)
+
+
+@pytest.fixture(scope="function")
+def mozpower_obj():
+    """Returns a MozPower object with subprocess.check_output
+    and os.path.exists calls patched with side effects.
+    """
+    with mock.patch.object(
+        MozPower, "_get_os", return_value="Darwin"
+    ) as _, mock.patch.object(
+        MozPower, "_get_processor_info", return_value="GenuineIntel"
+    ) as _, mock.patch.object(
+        MacIntelPower, "get_ipg_path", return_value="/"
+    ) as _, mock.patch(
+        "subprocess.check_output"
+    ) as subprocess_mock, mock.patch(
+        "os.path.exists"
+    ) as os_mock:
+        subprocess_mock.side_effect = subprocess_side_effect
+        os_mock.side_effect = os_side_effect
+
+        yield MozPower(ipg_measure_duration=2)
diff --git a/testing/mozbase/mozpower/tests/files/emptyfile.txt b/testing/mozbase/mozpower/tests/files/emptyfile.txt
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/testing/mozbase/mozpower/tests/files/emptyfile.txt
diff --git a/testing/mozbase/mozpower/tests/files/raptor-tp6-amazon-firefox_powerlog_1_.txt b/testing/mozbase/mozpower/tests/files/raptor-tp6-amazon-firefox_powerlog_1_.txt
new file mode 100644
index 0000000000..d5cc3f91a5
--- /dev/null
+++ b/testing/mozbase/mozpower/tests/files/raptor-tp6-amazon-firefox_powerlog_1_.txt
@@ -0,0 +1,30 @@
+"System Time","RDTSC","Elapsed Time (sec)","CPU Utilization(%)","CPU Frequency_0(MHz)","Processor Power_0(Watt)","Cumulative Processor Energy_0(Joules)","Cumulative Processor Energy_0(mWh)","IA Power_0(Watt)","Cumulative IA Energy_0(Joules)","Cumulative IA Energy_0(mWh)","Package Temperature_0(C)","Package Hot_0","DRAM Power_0(Watt)","Cumulative DRAM Energy_0(Joules)","Cumulative DRAM Energy_0(mWh)","GT Power_0(Watt)","Cumulative GT Energy_0(Joules)","Cumulative GT Energy_0(mWh)","Package Power Limit_0(Watt)","GT Frequency(MHz)"
+"12:11:05:769","61075218263548","   2.002","  14.000"," 3400","  23.427","  23.460","   6.517","  21.019","  21.048","   5.847"," 75","0","   0.877","   0.878","   0.244","   0.020","   0.020","   0.006","  45.000","    0"
+"12:11:06:774","61077822279584","   3.007","  20.000"," 3000","  25.014","  48.590","  13.497","  22.386","  43.538","  12.094"," 74","0","   1.194","   2.078","   0.577","   0.029","   0.049","   0.014","  45.000","    0"
+"12:11:07:778","61080424421708","   4.011","   8.000"," 1300","   9.512","  58.140","  16.150","   6.904","  50.469","  14.019"," 65","0","   0.836","   2.917","   0.810","   0.007","   0.057","   0.016","  45.000","    0"
+"12:11:08:781","61083023535972","   5.013","   1.000"," 1300","   1.786","  59.931","  16.647","   0.687","  51.158","  14.210"," 63","0","   0.585","   3.504","   0.973","   0.000","   0.057","   0.016","  45.000","    0"
+"12:11:09:784","61085623402302","   6.016","   4.000"," 4000","   5.249","  65.195","  18.110","   3.743","  54.912","  15.253"," 75","0","   0.660","   4.166","   1.157","   0.003","   0.059","   0.017","  45.000","    0"
+"12:11:10:787","61088224087008","   7.020","  20.000"," 3000","  35.118"," 100.432","  27.898","  31.647","  86.666","  24.074"," 72","0","   1.048","   5.218","   1.449","   0.016","   0.076","   0.021","  45.000","    0"
+"12:11:11:791","61090825821126","   8.024","  13.000"," 3000","  25.436"," 125.965","  34.990","  22.228"," 108.979","  30.272"," 71","0","   0.868","   6.089","   1.691","   0.004","   0.080","   0.022","  45.000","    0"
+"12:11:12:795","61093429020836","   9.028","   5.000"," 1300","   5.266"," 131.253","  36.459","   3.270"," 112.263","  31.184"," 64","0","   0.711","   6.802","   1.890","   0.000","   0.080","   0.022","  45.000","    0"
+"12:11:13:796","61096024160928","  10.029","   5.000"," 4000","  11.070"," 142.338","  39.538","   9.613"," 121.888","  33.858"," 78","0","   0.650","   7.453","   2.070","   0.000","   0.080","   0.022","  45.000","    0"
+"12:11:13:796","61096024279264","  10.029","  57.000"," 4000","   0.000"," 142.338","  39.538","   0.000"," 121.888","  33.858"," 78","0","   0.000","   7.453","   2.070","   0.000","   0.080","   0.022","  45.000","    0"
+

+"Total Elapsed Time (sec) = 10.029232"
+"Measured RDTSC Frequency (GHz) = 2.592"
+

+"Cumulative Processor Energy_0 (Joules) = 142.337524"
+"Cumulative Processor Energy_0 (mWh) = 39.538201"
+"Average Processor Power_0 (Watt) = 14.192265"
+

+"Cumulative IA Energy_0 (Joules) = 121.888000"
+"Cumulative IA Energy_0 (mWh) = 33.857778"
+"Average IA Power_0 (Watt) = 12.153273"
+

+"Cumulative DRAM Energy_0 (Joules) = 7.453308"
+"Cumulative DRAM Energy_0 (mWh) = 2.070363"
+"Average DRAM Power_0 (Watt) = 0.743158"
+

+"Cumulative GT Energy_0 (Joules) = 0.079834"
+"Cumulative GT Energy_0 (mWh) = 0.022176"
+"Average GT Power_0 (Watt) = 0.007960"
diff --git a/testing/mozbase/mozpower/tests/files/raptor-tp6-amazon-firefox_powerlog_2_.txt b/testing/mozbase/mozpower/tests/files/raptor-tp6-amazon-firefox_powerlog_2_.txt
new file mode 100644
index 0000000000..9157ad1fad
--- /dev/null
+++ b/testing/mozbase/mozpower/tests/files/raptor-tp6-amazon-firefox_powerlog_2_.txt
@@ -0,0 +1,30 @@
+"System Time","RDTSC","Elapsed Time (sec)","CPU Utilization(%)","CPU Frequency_0(MHz)","Processor Power_0(Watt)","Cumulative Processor Energy_0(Joules)","Cumulative Processor Energy_0(mWh)","IA Power_0(Watt)","Cumulative IA Energy_0(Joules)","Cumulative IA Energy_0(mWh)","Package Temperature_0(C)","Package Hot_0","DRAM Power_0(Watt)","Cumulative DRAM Energy_0(Joules)","Cumulative DRAM Energy_0(mWh)","GT Power_0(Watt)","Cumulative GT Energy_0(Joules)","Cumulative GT Energy_0(mWh)","Package Power Limit_0(Watt)","GT Frequency(MHz)"
+"12:11:15:821","61101270635674","   2.007","   9.000"," 4200","  10.341","  10.382","   2.884","   7.710","   7.740","   2.150"," 80","0","   0.828","   0.831","   0.231","   0.000","   0.000","   0.000","  45.000","    0"
+"12:11:16:823","61103869919264","   3.010","   4.000"," 1300","   9.353","  19.762","   5.489","   8.079","  15.842","   4.400"," 64","0","   0.597","   1.430","   0.397","   0.000","   0.000","   0.000","  45.000","    0"
+"12:11:17:826","61106469262970","   4.013","  19.000"," 2500","  21.127","  40.950","  11.375","  17.753","  33.645","   9.346"," 69","0","   1.091","   2.524","   0.701","   0.011","   0.011","   0.003","  45.000","    0"
+"12:11:18:827","61109063770516","   5.014","  11.000"," 2000","  11.620","  52.581","  14.606","   8.333","  41.986","  11.663"," 64","0","   0.961","   3.486","   0.968","   0.000","   0.011","   0.003","  45.000","    0"
+"12:11:19:831","61111666134444","   6.018","   3.000"," 1300","   2.722","  55.314","  15.365","   1.497","  43.489","  12.080"," 64","0","   0.620","   4.108","   1.141","   0.000","   0.011","   0.003","  45.000","    0"
+"12:11:20:835","61114266619236","   7.021","  14.000"," 3400","  17.108","  72.478","  20.133","  14.538","  58.075","  16.132"," 79","0","   0.918","   5.029","   1.397","   0.004","   0.016","   0.004","  45.000","    0"
+"12:11:21:835","61116859007218","   8.021","  15.000"," 3000","  16.651","  89.132","  24.759","  13.055","  71.132","  19.759"," 70","0","   1.103","   6.132","   1.703","   0.005","   0.020","   0.006","  45.000","    0"
+"12:11:22:836","61119453982614","   9.023","   4.000"," 2000","   3.334","  92.470","  25.686","   1.974","  73.109","  20.308"," 64","0","   0.654","   6.787","   1.885","   0.000","   0.020","   0.006","  45.000","    0"
+"12:11:23:840","61122057636318","  10.027","  12.000"," 3400","  13.925"," 106.458","  29.572","  11.603","  84.764","  23.546"," 79","0","   0.856","   7.647","   2.124","   0.006","   0.027","   0.007","  45.000","    0"
+"12:11:23:840","61122057733984","  10.027","  66.000"," 3400","   0.000"," 106.458","  29.572","   0.000","  84.764","  23.546"," 79","0","   0.000","   7.647","   2.124","   0.000","   0.027","   0.007","  45.000","    0"
+

+"Total Elapsed Time (sec) = 10.027134"
+"Measured RDTSC Frequency (GHz) = 2.592"
+

+"Cumulative Processor Energy_0 (Joules) = 106.457581"
+"Cumulative Processor Energy_0 (mWh) = 29.571550"
+"Average Processor Power_0 (Watt) = 10.616950"
+

+"Cumulative IA Energy_0 (Joules) = 84.764404"
+"Cumulative IA Energy_0 (mWh) = 23.545668"
+"Average IA Power_0 (Watt) = 8.453503"
+

+"Cumulative DRAM Energy_0 (Joules) = 7.647095"
+"Cumulative DRAM Energy_0 (mWh) = 2.124193"
+"Average DRAM Power_0 (Watt) = 0.762640"
+

+"Cumulative GT Energy_0 (Joules) = 0.026550"
+"Cumulative GT Energy_0 (mWh) = 0.007375"
+"Average GT Power_0 (Watt) = 0.002648"
diff --git a/testing/mozbase/mozpower/tests/files/raptor-tp6-amazon-firefox_powerlog_3_.txt b/testing/mozbase/mozpower/tests/files/raptor-tp6-amazon-firefox_powerlog_3_.txt
new file mode 100644
index 0000000000..a2779d93a1
--- /dev/null
+++ b/testing/mozbase/mozpower/tests/files/raptor-tp6-amazon-firefox_powerlog_3_.txt
@@ -0,0 +1,30 @@
+"System Time","RDTSC","Elapsed Time (sec)","CPU Utilization(%)","CPU Frequency_0(MHz)","Processor Power_0(Watt)","Cumulative Processor Energy_0(Joules)","Cumulative Processor Energy_0(mWh)","IA Power_0(Watt)","Cumulative IA Energy_0(Joules)","Cumulative IA Energy_0(mWh)","Package Temperature_0(C)","Package Hot_0","DRAM Power_0(Watt)","Cumulative DRAM Energy_0(Joules)","Cumulative DRAM Energy_0(mWh)","GT Power_0(Watt)","Cumulative GT Energy_0(Joules)","Cumulative GT Energy_0(mWh)","Package Power Limit_0(Watt)","GT Frequency(MHz)"
+"12:11:25:867","61127310813944","   2.006","   6.000"," 2000","   4.862","   4.879","   1.355","   3.087","   3.097","   0.860"," 65","0","   0.774","   0.776","   0.216","   0.021","   0.022","   0.006","  45.000","    0"
+"12:11:26:867","61129903677124","   3.006","   2.000"," 1300","   2.883","   7.763","   2.156","   1.253","   4.350","   1.208"," 63","0","   0.644","   1.421","   0.395","   0.018","   0.039","   0.011","  45.000","    0"
+"12:11:27:873","61132509307964","   4.011","   2.000"," 1300","   1.788","   9.561","   2.656","   0.699","   5.054","   1.404"," 63","0","   0.538","   1.961","   0.545","   0.000","   0.039","   0.011","  45.000","    0"
+"12:11:28:877","61135111021262","   5.015","   0.000"," 1300","   1.177","  10.743","   2.984","   0.321","   5.375","   1.493"," 63","0","   0.535","   2.499","   0.694","   0.000","   0.039","   0.011","  45.000","    0"
+"12:11:29:881","61137714179976","   6.020","   0.000"," 1300","   1.064","  11.811","   3.281","   0.251","   5.627","   1.563"," 61","0","   0.520","   3.021","   0.839","   0.000","   0.039","   0.011","  45.000","    0"
+"12:11:30:881","61140307250904","   7.020","   0.000"," 1300","   1.053","  12.864","   3.573","   0.256","   5.884","   1.634"," 61","0","   0.528","   3.550","   0.986","   0.000","   0.039","   0.011","  45.000","    0"
+"12:11:31:885","61142907976768","   8.023","   0.000"," 1300","   1.069","  13.937","   3.871","   0.274","   6.159","   1.711"," 61","0","   0.524","   4.075","   1.132","   0.000","   0.039","   0.011","  45.000","    0"
+"12:11:32:886","61145503940512","   9.025","   0.000"," 1300","   1.008","  14.947","   4.152","   0.228","   6.387","   1.774"," 60","0","   0.522","   4.598","   1.277","   0.000","   0.039","   0.011","  45.000","    0"
+"12:11:33:891","61148109378824","  10.030","   0.000"," 1300","   1.007","  15.959","   4.433","   0.230","   6.618","   1.838"," 61","0","   0.522","   5.123","   1.423","   0.000","   0.039","   0.011","  45.000","    0"
+"12:11:33:892","61148109766160","  10.030","  27.000"," 1300","   0.000","  15.959","   4.433","   0.000","   6.618","   1.838"," 61","0","   2.448","   5.123","   1.423","   0.000","   0.039","   0.011","  45.000","    0"
+

+"Total Elapsed Time (sec) = 10.030310"
+"Measured RDTSC Frequency (GHz) = 2.592"
+

+"Cumulative Processor Energy_0 (Joules) = 15.958862"
+"Cumulative Processor Energy_0 (mWh) = 4.433017"
+"Average Processor Power_0 (Watt) = 1.591064"
+

+"Cumulative IA Energy_0 (Joules) = 6.618042"
+"Cumulative IA Energy_0 (mWh) = 1.838345"
+"Average IA Power_0 (Watt) = 0.659804"
+

+"Cumulative DRAM Energy_0 (Joules) = 5.122925"
+"Cumulative DRAM Energy_0 (mWh) = 1.423035"
+"Average DRAM Power_0 (Watt) = 0.510744"
+

+"Cumulative GT Energy_0 (Joules) = 0.039490"
+"Cumulative GT Energy_0 (mWh) = 0.010969"
+"Average GT Power_0 (Watt) = 0.003937"
diff --git a/testing/mozbase/mozpower/tests/files/valueerrorfile.txt b/testing/mozbase/mozpower/tests/files/valueerrorfile.txt
new file mode 100644
index 0000000000..8f2d3485eb
--- /dev/null
+++ b/testing/mozbase/mozpower/tests/files/valueerrorfile.txt
@@ -0,0 +1,30 @@
+"System Time","RDTSC","Elapsed Time (sec)","CPU Utilization(%)","CPU Frequency_0(MHz)","Processor Power_0(Watt)","Cumulative Processor Energy_0(Joules)","Cumulative Processor Energy_0(mWh)","IA Power_0(Watt)","Cumulative IA Energy_0(Joules)","Cumulative IA Energy_0(mWh)","Package Temperature_0(C)","Package Hot_0","DRAM Power_0(Watt)","Cumulative DRAM Energy_0(Joules)","Cumulative DRAM Energy_0(mWh)","GT Power_0(Watt)","Cumulative GT Energy_0(Joules)","Cumulative GT Energy_0(mWh)","Package Power Limit_0(Watt)","GT Frequency(MHz)"
+"12:11:05:769","61075218263548","   2.002","  14.000"," 3400","  23.427","  23.460","   6.517","  21.019","  21.048","   5.847"," 75","0","   0.877","   0.878","   0.244","   0.020","   0.020","   0.006","  45.000","    0"
+"12:11:06:774","61077822279584","   3.007","  20.000"," 3000","  25.014","  48.590","  13.497","  22.386","  43.538","  12.094"," 74","0","   1.194","   2.078","   0.577","   0.029","   0.049","   0.014","  45.000","    0"
+"12:11:07:778","61080424421708","   4.011","   8.000"," 1300","   9.512","  58.140","  16.150","   6.904","  50.469","  14.019"," 65","0","   0.836","   2.917","   0.810","   0.007","   0.057","   0.016","  45.000","    0"
+"12:11:08:781","61083023535972","   5.013","   1.000"," 1300","   1.786","  59.931","  16.647","   0.687","  51.158","  14.210"," 63","0","   0.585","   3.504","   0.973","   0.000","   0.057","   0.016","  45.000","    0"
+"12:11:09:784","61085623402302","   none","   4.000"," 4000","   5.249","  65.195","  18.110","   3.743","  54.912","  15.253"," 75","0","   0.660","   4.166","   1.157","   0.003","   0.059","   0.017","  45.000","    0"
+"12:11:10:787","61088224087008","   7.020","  20.000"," 3000","  35.118"," 100.432","  27.898","  31.647","  86.666","  24.074"," 72","0","   1.048","   5.218","   1.449","   0.016","   0.076","   0.021","  45.000","    0"
+"12:11:11:791","61090825821126","   8.024","  13.000"," 3000","  25.436"," 125.965","  34.990","  22.228"," 108.979","  30.272"," 71","0","   0.868","   6.089","   1.691","   0.004","   0.080","   0.022","  45.000","    0"
+"12:11:12:795","61093429020836","   9.028","   5.000"," 1300","   5.266"," 131.253","  36.459","   3.270"," 112.263","  31.184"," 64","0","   0.711","   6.802","   1.890","   0.000","   0.080","   0.022","  45.000","    0"
+"12:11:13:796","61096024160928","  10.029","   5.000"," 4000","  11.070"," 142.338","  39.538","   9.613"," 121.888","  33.858"," 78","0","   0.650","   7.453","   2.070","   0.000","   0.080","   0.022","  45.000","    0"
+"12:11:13:796","61096024279264","  10.029","  57.000"," 4000","   0.000"," 142.338","  39.538","   0.000"," 121.888","  33.858"," 78","0","   0.000","   7.453","   2.070","   0.000","   0.080","   0.022","  45.000","    0"
+
+"Total Elapsed Time (sec) = 10.029232"
+"Measured RDTSC Frequency (GHz) = 2.592"
+
+"Cumulative Processor Energy_0 (Joules) = 142.337524"
+"Cumulative Processor Energy_0 (mWh) = 39.538201"
+"Average Processor Power_0 (Watt) = 14.192265"
+
+"Cumulative IA Energy_0 (Joules) = 121.888000"
+"Cumulative IA Energy_0 (mWh) = 33.857778"
+"Average IA Power_0 (Watt) = 12.153273"
+
+"Cumulative DRAM Energy_0 (Joules) = 7.453308"
+"Cumulative DRAM Energy_0 (mWh) = 2.070363"
+"Average DRAM Power_0 (Watt) = 0.743158"
+
+"Cumulative GT Energy_0 (Joules) = 0.079834"
+"Cumulative GT Energy_0 (mWh) = 0.022176"
+"Average GT Power_0 (Watt) = 0.007960"
diff --git a/testing/mozbase/mozpower/tests/manifest.ini b/testing/mozbase/mozpower/tests/manifest.ini
new file mode 100644
index 0000000000..2e825e2fa5
--- /dev/null
+++ b/testing/mozbase/mozpower/tests/manifest.ini
@@ -0,0 +1,6 @@
+[DEFAULT]
+subsuite = mozbase
+[test_powerbase.py]
+[test_intelpowergadget.py]
+[test_macintelpower.py]
+[test_mozpower.py]
diff --git a/testing/mozbase/mozpower/tests/test_intelpowergadget.py b/testing/mozbase/mozpower/tests/test_intelpowergadget.py
new file mode 100644
index 0000000000..9be01cb720
--- /dev/null
+++ b/testing/mozbase/mozpower/tests/test_intelpowergadget.py
@@ -0,0 +1,348 @@
+#!/usr/bin/env python
+
+import datetime
+import os
+import time
+from unittest import mock
+
+import mozunit
+import pytest
+import six
+from mozpower.intel_power_gadget import (
+    IPGEmptyFileError,
+    IPGMissingOutputFileError,
+    IPGTimeoutError,
+    IPGUnknownValueTypeError,
+)
+
+
+def thread_is_alive(thread):
+    if six.PY2:
+        return thread.isAlive()
+    return thread.is_alive()
+
+
+def test_ipg_pathsplitting(ipg_obj):
+    """Tests that the output file path and prefix was properly split.
+    This test assumes that it is in the same directory as the conftest.py file.
+    """
+    assert (
+        ipg_obj.output_dir_path == os.path.abspath(os.path.dirname(__file__)) + "/files"
+    )
+    assert ipg_obj.output_file_prefix == "raptor-tp6-amazon-firefox_powerlog"
+
+
+def test_ipg_get_output_file_path(ipg_obj):
+    """Tests that the output file path is constantly changing
+    based on the file_counter value.
+    """
+    test_path = "/test_path/"
+    test_ext = ".txt"
+    ipg_obj._file_counter = 1
+    ipg_obj._output_dir_path = test_path
+    ipg_obj._output_file_ext = test_ext
+
+    for i in range(1, 6):
+        fpath = ipg_obj._get_output_file_path()
+
+        assert fpath.startswith(test_path)
+        assert fpath.endswith(test_ext)
+        assert str(i) in fpath
+
+
+def test_ipg_start_and_stop(ipg_obj):
+    """Tests that the IPG thread can start and stop properly."""
+
+    def subprocess_side_effect(*args, **kwargs):
+        time.sleep(1)
+
+    with mock.patch("subprocess.check_output") as m:
+        m.side_effect = subprocess_side_effect
+
+        # Start recording IPG measurements
+        ipg_obj.start_ipg()
+        assert not ipg_obj._stop
+
+        # Wait a bit for thread to start, then check it
+        timeout = 10
+        start = time.time()
+        while time.time() - start < timeout and not ipg_obj._running:
+            time.sleep(1)
+
+        assert ipg_obj._running
+        assert thread_is_alive(ipg_obj._thread)
+
+        # Stop recording IPG measurements
+        ipg_obj.stop_ipg(wait_interval=1, timeout=30)
+        assert ipg_obj._stop
+        assert not ipg_obj._running
+
+
+def test_ipg_stopping_timeout(ipg_obj):
+    """Tests that an IPGTimeoutError is raised when
+    the thread is still "running" and the wait in _wait_for_ipg
+    has exceeded the timeout value.
+    """
+    with pytest.raises(IPGTimeoutError):
+        ipg_obj._running = True
+        ipg_obj._wait_for_ipg(wait_interval=1, timeout=2)
+
+
+def test_ipg_rh_combine_cumulatives(ipg_rh_obj):
+    """Tests that cumulatives are correctly combined in
+    the _combine_cumulative_rows function.
+    """
+    cumulatives_to_combine = [
+        [0, 1, 2, 3, 4, 5],
+        [0, 1, 2, 3, 4, 5],
+        [0, 1, 2, 3, 4, 5],
+        [0, 1, 2, 3, 4, 5],
+    ]
+
+    combined_cumulatives = ipg_rh_obj._combine_cumulative_rows(cumulatives_to_combine)
+
+    # Check that accumulation worked, final value must be the maximum
+    assert combined_cumulatives[-1] == max(combined_cumulatives)
+
+    # Check that the cumulative values are monotonically increasing
+    for count, val in enumerate(combined_cumulatives[:-1]):
+        assert combined_cumulatives[count + 1] - val >= 0
+
+
+def test_ipg_rh_clean_file(ipg_rh_obj):
+    """Tests that IPGResultsHandler correctly cleans the data
+    from one file.
+    """
+    file = ipg_rh_obj._output_files[0]
+    linecount = 0
+    with open(file, "r") as f:
+        for line in f:
+            linecount += 1
+
+    results, summary, clean_file = ipg_rh_obj._clean_ipg_file(file)
+
+    # Check that each measure from the csv header
+    # is in the results dict and that the clean file output
+    # exists.
+    for measure in results:
+        assert measure in ipg_rh_obj._csv_header
+    assert os.path.exists(clean_file)
+
+    clean_rows = []
+    with open(clean_file, "r") as f:
+        for line in f:
+            if line.strip():
+                clean_rows.append(line)
+
+    # Make sure that the results and summary entries
+    # have the expected lengths.
+    for measure in results:
+        # Add 6 for new lines that were removed
+        assert len(results[measure]) + len(summary) + 6 == linecount
+        # Subtract 1 for the csv header
+        assert len(results[measure]) == len(clean_rows) - 1
+
+
+def test_ipg_rh_clean_ipg_data_no_files(ipg_rh_obj):
+    """Tests that IPGResultsHandler correctly handles the case
+    when no output files exist.
+    """
+    ipg_rh_obj._output_files = []
+    clean_data = ipg_rh_obj.clean_ipg_data()
+    assert clean_data is None
+
+
+def test_ipg_rh_clean_ipg_data(ipg_rh_obj):
+    """Tests that IPGResultsHandler correctly handles cleaning
+    all known files and that the results and the merged output
+    are correct.
+    """
+    clean_data = ipg_rh_obj.clean_ipg_data()
+    clean_files = ipg_rh_obj.cleaned_files
+    merged_output_path = ipg_rh_obj.merged_output_path
+
+    # Check that the expected output exists
+    assert clean_data is not None
+    assert len(clean_files) == len(ipg_rh_obj._output_files)
+    assert os.path.exists(merged_output_path)
+
+    # Check that the merged file length and results length
+    # is correct, and that no lines were lost and no extra lines
+    # were added.
+    expected_merged_line_count = 0
+    for file in clean_files:
+        with open(file, "r") as f:
+            for count, line in enumerate(f):
+                if count == 0:
+                    continue
+                if line.strip():
+                    expected_merged_line_count += 1
+
+    merged_line_count = 0
+    with open(merged_output_path, "r") as f:
+        for count, line in enumerate(f):
+            if count == 0:
+                continue
+            if line.strip():
+                merged_line_count += 1
+
+    assert merged_line_count == expected_merged_line_count
+    for measure in clean_data:
+        assert len(clean_data[measure]) == merged_line_count
+
+    # Check that the clean data rows are ordered in increasing time
+    times_in_seconds = []
+    for sys_time in clean_data["System Time"]:
+        split_sys_time = sys_time.split(":")
+        hour_min_sec = ":".join(split_sys_time[:-1])
+        millis = float(split_sys_time[-1]) / 1000
+
+        timestruct = time.strptime(hour_min_sec, "%H:%M:%S")
+        times_in_seconds.append(
+            datetime.timedelta(
+                hours=timestruct.tm_hour,
+                minutes=timestruct.tm_min,
+                seconds=timestruct.tm_sec,
+            ).total_seconds()
+            + millis
+        )
+
+    for count, val in enumerate(times_in_seconds[:-1]):
+        assert times_in_seconds[count + 1] - val >= 0
+
+
+def test_ipg_rh_format_to_perfherder_with_no_results(ipg_rh_obj):
+    """Tests that formatting the data to a perfherder-like format
+    fails when clean_ipg_data was not called beforehand.
+    """
+    formatted_data = ipg_rh_obj.format_ipg_data_to_partial_perfherder(
+        1000, ipg_rh_obj._output_file_prefix
+    )
+    assert formatted_data is None
+
+
+def test_ipg_rh_format_to_perfherder_without_cutoff(ipg_rh_obj):
+    """Tests that formatting the data to a perfherder-like format
+    works as expected.
+    """
+    ipg_rh_obj.clean_ipg_data()
+    formatted_data = ipg_rh_obj.format_ipg_data_to_partial_perfherder(
+        1000, ipg_rh_obj._output_file_prefix
+    )
+
+    # Check that the expected entries exist
+    assert len(formatted_data.keys()) == 5
+    assert "utilization" in formatted_data and "power-usage" in formatted_data
+
+    assert (
+        formatted_data["power-usage"]["test"]
+        == ipg_rh_obj._output_file_prefix + "-cumulative"
+    )
+    assert (
+        formatted_data["utilization"]["test"]
+        == ipg_rh_obj._output_file_prefix + "-utilization"
+    )
+    assert (
+        formatted_data["frequency-gpu"]["test"]
+        == ipg_rh_obj._output_file_prefix + "-frequency-gpu"
+    )
+    assert (
+        formatted_data["frequency-cpu"]["test"]
+        == ipg_rh_obj._output_file_prefix + "-frequency-cpu"
+    )
+    assert (
+        formatted_data["power-watts"]["test"]
+        == ipg_rh_obj._output_file_prefix + "-watts"
+    )
+
+    for measure in formatted_data:
+        # Make sure that the data exists
+        assert len(formatted_data[measure]["values"]) >= 1
+
+        for valkey in formatted_data[measure]["values"]:
+            # Make sure the names were simplified
+            assert "(" not in valkey
+            assert ")" not in valkey
+
+    # Check that gpu utilization doesn't exist but cpu does
+    utilization_vals = formatted_data["utilization"]["values"]
+    assert "cpu" in utilization_vals
+    assert "gpu" not in utilization_vals
+
+    expected_fields = ["processor-cores", "processor-package", "gpu", "dram"]
+    consumption_vals = formatted_data["power-usage"]["values"]
+
+    consumption_vals_measures = list(consumption_vals.keys())
+
+    # This assertion ensures that the consumption values contain the expected
+    # fields and nothing more.
+    assert not list(set(consumption_vals_measures) - set(expected_fields))
+
+
+def test_ipg_rh_format_to_perfherder_with_cutoff(ipg_rh_obj):
+    """Tests that formatting the data to a perfherder-like format
+    works as expected.
+    """
+    ipg_rh_obj.clean_ipg_data()
+    formatted_data = ipg_rh_obj.format_ipg_data_to_partial_perfherder(
+        2.5, ipg_rh_obj._output_file_prefix
+    )
+
+    # Check that the formatted data was cutoff at the correct point,
+    # expecting that only the first row of merged will exist.
+    utilization_vals = formatted_data["utilization"]["values"]
+    assert utilization_vals["cpu"] == 14
+
+    # Expected vals are ordered in this way: [processor, cores, dram, gpu]
+    expected_vals = [6.517, 5.847, 0.244, 0.006]
+    consumption_vals = [
+        formatted_data["power-usage"]["values"][measure]
+        for measure in formatted_data["power-usage"]["values"]
+    ]
+    assert not list(set(expected_vals) - set(consumption_vals))
+
+
+def test_ipg_rh_missingoutputfile(ipg_rh_obj):
+    """Tests that the IPGMissingOutputFileError is raised
+    when a bad file path is passed to _clean_ipg_file.
+    """
+    bad_files = ["non-existent-file"]
+    with pytest.raises(IPGMissingOutputFileError):
+        ipg_rh_obj._clean_ipg_file(bad_files[0])
+
+    ipg_rh_obj._output_files = bad_files
+    with pytest.raises(IPGMissingOutputFileError):
+        ipg_rh_obj.clean_ipg_data()
+
+
+def test_ipg_rh_emptyfile(ipg_rh_obj):
+    """Tests that the empty file error is raised when
+    a file exists, but does not contain any results in
+    it.
+    """
+    base_path = os.path.abspath(os.path.dirname(__file__)) + "/files/"
+    bad_files = [base_path + "emptyfile.txt"]
+    with pytest.raises(IPGEmptyFileError):
+        ipg_rh_obj._clean_ipg_file(bad_files[0])
+
+    ipg_rh_obj._output_files = bad_files
+    with pytest.raises(IPGEmptyFileError):
+        ipg_rh_obj.clean_ipg_data()
+
+
+def test_ipg_rh_valuetypeerrorfile(ipg_rh_obj):
+    """Tests that the IPGUnknownValueTypeError is raised
+    when a bad entry is encountered in a file that is cleaned.
+    """
+    base_path = os.path.abspath(os.path.dirname(__file__)) + "/files/"
+    bad_files = [base_path + "valueerrorfile.txt"]
+    with pytest.raises(IPGUnknownValueTypeError):
+        ipg_rh_obj._clean_ipg_file(bad_files[0])
+
+    ipg_rh_obj._output_files = bad_files
+    with pytest.raises(IPGUnknownValueTypeError):
+        ipg_rh_obj.clean_ipg_data()
+
+
+if __name__ == "__main__":
+    mozunit.main()
diff --git a/testing/mozbase/mozpower/tests/test_macintelpower.py b/testing/mozbase/mozpower/tests/test_macintelpower.py
new file mode 100644
index 0000000000..2332c94c3e
--- /dev/null
+++ b/testing/mozbase/mozpower/tests/test_macintelpower.py
@@ -0,0 +1,76 @@
+#!/usr/bin/env python
+
+import time
+from unittest import mock
+
+import mozunit
+
+
+def test_macintelpower_init(macintelpower_obj):
+    """Tests that the MacIntelPower object is correctly initialized."""
+    assert macintelpower_obj.ipg_path
+    assert macintelpower_obj.ipg
+    assert macintelpower_obj._os == "darwin"
+    assert macintelpower_obj._cpu == "intel"
+
+
+def test_macintelpower_measuring(macintelpower_obj):
+    """Tests that measurement initialization and finalization works
+    for the MacIntelPower object.
+    """
+    assert not macintelpower_obj.start_time
+    assert not macintelpower_obj.ipg._running
+    assert not macintelpower_obj.ipg._output_files
+    macintelpower_obj.initialize_power_measurements()
+
+    # Check that initialization set start_time, and started the
+    # IPG measurer thread.
+
+    # Wait a bit for thread to start, then check it
+    timeout = 10
+    start = time.time()
+    while time.time() - start < timeout and not macintelpower_obj.ipg._running:
+        time.sleep(1)
+
+    assert macintelpower_obj.start_time
+    assert macintelpower_obj.ipg._running
+
+    test_data = {"power-usage": "data"}
+
+    def formatter_side_effect(*args, **kwargs):
+        return test_data
+
+    with mock.patch(
+        "mozpower.intel_power_gadget.IPGResultsHandler.clean_ipg_data"
+    ) as _:
+        with mock.patch(
+            "mozpower.intel_power_gadget.IPGResultsHandler."
+            "format_ipg_data_to_partial_perfherder"
+        ) as formatter:
+            formatter.side_effect = formatter_side_effect
+
+            macintelpower_obj.finalize_power_measurements(wait_interval=2, timeout=30)
+
+            # Check that finalization set the end_time, stopped the IPG measurement
+            # thread, added atleast one output file name, and initialized
+            # an IPGResultsHandler object
+            assert macintelpower_obj.end_time
+            assert not macintelpower_obj.ipg._running
+            assert macintelpower_obj.ipg._output_files
+            assert macintelpower_obj.ipg_results_handler
+
+            # Check that the IPGResultHandler's methods were
+            # called
+            macintelpower_obj.ipg_results_handler.clean_ipg_data.assert_called()
+            macintelpower_obj.ipg_results_handler.format_ipg_data_to_partial_perfherder.assert_called_once_with(  # NOQA: E501
+                macintelpower_obj.end_time - macintelpower_obj.start_time,
+                "power-testing",
+            )
+
+            # Make sure we can get the expected perfherder data
+            # after formatting
+            assert macintelpower_obj.get_perfherder_data() == test_data
+
+
+if __name__ == "__main__":
+    mozunit.main()
diff --git a/testing/mozbase/mozpower/tests/test_mozpower.py b/testing/mozbase/mozpower/tests/test_mozpower.py
new file mode 100644
index 0000000000..fd513e836b
--- /dev/null
+++ b/testing/mozbase/mozpower/tests/test_mozpower.py
@@ -0,0 +1,255 @@
+#!/usr/bin/env python
+
+import subprocess
+import sys
+from unittest import mock
+
+import mozunit
+import pytest
+from mozpower import MozPower
+from mozpower.mozpower import MissingProcessorInfoError, OsCpuComboMissingError
+
+
+def test_mozpower_android_init_failure():
+    """Tests that the MozPower object fails when the android
+    flag is set. Remove this test once android is implemented.
+    """
+    with pytest.raises(NotImplementedError):
+        MozPower(android=True)
+
+
+def test_mozpower_oscpu_combo_missing_error():
+    """Tests that the error OsCpuComboMissingError is raised
+    when we can't find a OS, and CPU combination (and, therefore, cannot
+    find a power measurer).
+    """
+    with mock.patch.object(
+        MozPower, "_get_os", return_value="Not-An-OS"
+    ) as _, mock.patch.object(
+        MozPower, "_get_processor_info", return_value="Not-A-Processor"
+    ) as _:
+        with pytest.raises(OsCpuComboMissingError):
+            MozPower()
+
+
+def test_mozpower_processor_info_missing_error():
+    """Tests that the error MissingProcessorInfoError is raised
+    when failures occur during processor information parsing.
+    """
+    # The builtins module name differs between python 2 and 3
+    builtins_name = "__builtin__"
+    if sys.version_info[0] == 3:
+        builtins_name = "builtins"
+
+    def os_side_effect_true(*args, **kwargs):
+        """Used as a passing side effect for os.path.exists calls."""
+        return True
+
+    def os_side_effect_false(*args, **kwargs):
+        """Used as a failing side effect for os.path.exists calls."""
+        return False
+
+    def subprocess_side_effect_fail(*args, **kwargs):
+        """Used to mock a failure in subprocess.check_output calls."""
+        raise subprocess.CalledProcessError(1, "Testing failure")
+
+    # Test failures in macos processor information parsing
+    with mock.patch.object(MozPower, "_get_os", return_value="Darwin") as _:
+
+        with mock.patch("os.path.exists") as os_mock:
+            os_mock.side_effect = os_side_effect_false
+
+            # Check that we fail properly if the processor
+            # information file doesn't exist.
+            with pytest.raises(MissingProcessorInfoError):
+                MozPower()
+
+            # Check that we fail properly when an error occurs
+            # in the subprocess call.
+            os_mock.side_effect = os_side_effect_true
+            with mock.patch("subprocess.check_output") as subprocess_mock:
+                subprocess_mock.side_effect = subprocess_side_effect_fail
+                with pytest.raises(MissingProcessorInfoError):
+                    MozPower()
+
+    # Test failures in linux processor information parsing
+    with mock.patch.object(MozPower, "_get_os", return_value="Linux") as _:
+
+        with mock.patch("os.path.exists") as os_mock:
+            os_mock.side_effect = os_side_effect_false
+
+            # Check that we fail properly if the processor
+            # information file doesn't exist.
+            with pytest.raises(MissingProcessorInfoError):
+                MozPower()
+
+            # Check that we fail properly when the model cannot be found
+            # with by searching for 'model name'.
+            os_mock.side_effect = os_side_effect_true
+            with mock.patch(
+                "%s.open" % builtins_name, mock.mock_open(read_data="")
+            ) as _:
+                with pytest.raises(MissingProcessorInfoError):
+                    MozPower()
+
+
+def test_mozpower_oscpu_combo(mozpower_obj):
+    """Tests that the correct class is instantiated for a given
+    OS and CPU combination (MacIntelPower in this case).
+    """
+    assert mozpower_obj.measurer.__class__.__name__ == "MacIntelPower"
+    assert (
+        mozpower_obj.measurer._os == "darwin" and mozpower_obj.measurer._cpu == "intel"
+    )
+
+
+def test_mozpower_measuring(mozpower_obj):
+    """Tests that measurers are properly called with each method."""
+    with mock.patch(
+        "mozpower.macintelpower.MacIntelPower.initialize_power_measurements"
+    ) as _, mock.patch(
+        "mozpower.macintelpower.MacIntelPower.finalize_power_measurements"
+    ) as _, mock.patch(
+        "mozpower.macintelpower.MacIntelPower.get_perfherder_data"
+    ) as _:
+        mozpower_obj.initialize_power_measurements()
+        mozpower_obj.measurer.initialize_power_measurements.assert_called()
+
+        mozpower_obj.finalize_power_measurements()
+        mozpower_obj.measurer.finalize_power_measurements.assert_called()
+
+        mozpower_obj.get_perfherder_data()
+        mozpower_obj.measurer.get_perfherder_data.assert_called()
+
+
+def test_mozpower_measuring_with_no_measurer(mozpower_obj):
+    """Tests that no errors occur when the measurer is None, and the
+    initialize, finalize, and get_perfherder_data functions are called.
+    """
+    with mock.patch(
+        "mozpower.macintelpower.MacIntelPower.initialize_power_measurements"
+    ) as _, mock.patch(
+        "mozpower.macintelpower.MacIntelPower.finalize_power_measurements"
+    ) as _, mock.patch(
+        "mozpower.macintelpower.MacIntelPower.get_perfherder_data"
+    ) as _:
+        measurer = mozpower_obj.measurer
+        mozpower_obj.measurer = None
+
+        mozpower_obj.initialize_power_measurements()
+        assert not measurer.initialize_power_measurements.called
+
+        mozpower_obj.finalize_power_measurements()
+        assert not measurer.finalize_power_measurements.called
+
+        mozpower_obj.get_perfherder_data()
+        assert not measurer.get_perfherder_data.called
+
+        mozpower_obj.get_full_perfherder_data("mozpower")
+        assert not measurer.get_perfherder_data.called
+
+
+def test_mozpower_get_full_perfherder_data(mozpower_obj):
+    """Tests that the full perfherder data blob is properly
+    produced given a partial perfherder data blob with correct
+    entries.
+    """
+    partial_perfherder = {
+        "utilization": {
+            "type": "power",
+            "test": "mozpower",
+            "unit": "%",
+            "values": {"cpu": 50, "gpu": 0},
+        },
+        "power-usage": {
+            "type": "power",
+            "test": "mozpower",
+            "unit": "mWh",
+            "values": {"cpu": 2.0, "dram": 0.1, "gpu": 4.0},
+        },
+        "frequency-cpu": {
+            "type": "power",
+            "test": "mozpower",
+            "unit": "MHz",
+            "values": {
+                "cpu-favg": 2.0,
+                "cpu-fmax": 5.0,
+                "cpu-fmin": 0.0,
+            },
+        },
+        "frequency-gpu": {
+            "type": "power",
+            "test": "mozpower",
+            "unit": "MHz",
+            "values": {"gpu-favg": 3.0, "gpu-fmax": 6.0, "gpu-fmin": 0.0},
+        },
+    }
+    utilization_vals = [0, 50]
+    power_usage_vals = [2.0, 0.1, 4.0]
+    frequency_cpu_vals = [2.0, 5.0, 0.0]
+    frequency_gpu_vals = [3.0, 6.0, 0.0]
+
+    with mock.patch("mozpower.macintelpower.MacIntelPower.get_perfherder_data") as gpd:
+        gpd.return_value = partial_perfherder
+
+        full_perfherder = mozpower_obj.get_full_perfherder_data("mozpower")
+        assert full_perfherder["framework"]["name"] == "mozpower"
+        assert len(full_perfherder["suites"]) == 4
+
+        # Check that each of the two suites were created correctly.
+        suites = full_perfherder["suites"]
+        for suite in suites:
+            assert "subtests" in suite
+
+            assert suite["type"] == "power"
+            assert suite["alertThreshold"] == 2.0
+            assert suite["lowerIsBetter"]
+
+            all_vals = []
+            for subtest in suite["subtests"]:
+                assert "value" in subtest
+
+                # Check that the subtest names were created correctly
+                if "utilization" in suite["name"]:
+                    assert "utilization" in subtest["name"]
+                elif "power-usage" in suite["name"]:
+                    assert "power-usage" in subtest["name"]
+                elif "frequency-cpu" in suite["name"]:
+                    assert "frequency-cpu" in subtest["name"]
+                elif "frequency-gpu" in suite["name"]:
+                    assert "frequency-gpu" in subtest["name"]
+                else:
+                    assert False, "Unknown subtest name %s" % subtest["name"]
+
+                all_vals.append(subtest["value"])
+
+            if "utilization" in suite["name"]:
+                assert len(all_vals) == 2
+                assert suite["unit"] == "%"
+                assert suite["name"] == "mozpower-utilization"
+                assert not list(set(all_vals) - set(utilization_vals))
+                assert suite["value"] == float(25)
+            elif "power-usage" in suite["name"]:
+                assert len(all_vals) == 3
+                assert suite["unit"] == "mWh"
+                assert suite["name"] == "mozpower-power-usage"
+                assert not list(set(all_vals) - set(power_usage_vals))
+                assert suite["value"] == float(6.1)
+            elif "frequency-cpu" in suite["name"]:
+                assert len(all_vals) == 3
+                assert suite["unit"] == "MHz"
+                assert suite["name"] == "mozpower-frequency-cpu"
+                assert not list(set(all_vals) - set(frequency_cpu_vals))
+                assert suite["value"] == float(2.0)
+            elif "frequency-gpu" in suite["name"]:
+                assert len(all_vals) == 3
+                assert suite["unit"] == "MHz"
+                assert suite["name"] == "mozpower-frequency-gpu"
+                assert not list(set(all_vals) - set(frequency_gpu_vals))
+                assert suite["value"] == float(3.0)
+            else:
+                assert False, "Unknown suite name %s" % suite["name"]
+
+
+if __name__ == "__main__":
+    mozunit.main()
diff --git a/testing/mozbase/mozpower/tests/test_powerbase.py b/testing/mozbase/mozpower/tests/test_powerbase.py
new file mode 100644
index 0000000000..46de941457
--- /dev/null
+++ b/testing/mozbase/mozpower/tests/test_powerbase.py
@@ -0,0 +1,91 @@
+#!/usr/bin/env python
+
+from unittest import mock
+
+import mozunit
+import pytest
+from mozpower.powerbase import (
+    IPGExecutableMissingError,
+    PlatformUnsupportedError,
+    PowerBase,
+)
+
+
+def test_powerbase_intialization():
+    """Tests that the PowerBase class correctly raises
+    a NotImplementedError when attempting to instantiate
+    it directly.
+    """
+    with pytest.raises(NotImplementedError):
+        PowerBase()
+
+
+def test_powerbase_missing_methods(powermeasurer):
+    """Tests that trying to call PowerBase methods
+    without an implementation in the subclass raises
+    the NotImplementedError.
+    """
+    with pytest.raises(NotImplementedError):
+        powermeasurer.initialize_power_measurements()
+
+    with pytest.raises(NotImplementedError):
+        powermeasurer.finalize_power_measurements()
+
+    with pytest.raises(NotImplementedError):
+        powermeasurer.get_perfherder_data()
+
+
+def test_powerbase_get_ipg_path_mac(powermeasurer):
+    """Tests that getting the IPG path returns the expected results."""
+    powermeasurer._os = "darwin"
+    powermeasurer._cpu = "not-intel"
+
+    def os_side_effect(arg):
+        """Used to get around the os.path.exists check in
+        get_ipg_path which raises an IPGExecutableMissingError
+        otherwise.
+        """
+        return True
+
+    with mock.patch("os.path.exists", return_value=True) as m:
+        m.side_effect = os_side_effect
+
+        # None is returned when a non-intel based machine is
+        # tested.
+        ipg_path = powermeasurer.get_ipg_path()
+        assert ipg_path is None
+
+        # Check the path returned for mac intel-based machines.
+        powermeasurer._cpu = "intel"
+        ipg_path = powermeasurer.get_ipg_path()
+        assert ipg_path == "/Applications/Intel Power Gadget/PowerLog"
+
+
+def test_powerbase_get_ipg_path_errors(powermeasurer):
+    """Tests that the appropriate error is output when calling
+    get_ipg_path with invalid/unsupported _os and _cpu entries.
+    """
+
+    powermeasurer._cpu = "intel"
+    powermeasurer._os = "Not-An-OS"
+
+    def os_side_effect(arg):
+        """Used to force the error IPGExecutableMissingError to occur
+        (in case a machine running these tests is a mac, and has intel
+        power gadget installed).
+        """
+        return False
+
+    with pytest.raises(PlatformUnsupportedError):
+        powermeasurer.get_ipg_path()
+
+    with mock.patch("os.path.exists", return_value=False) as m:
+        m.side_effect = os_side_effect
+
+        powermeasurer._os = "darwin"
+        with pytest.raises(IPGExecutableMissingError):
+            powermeasurer.get_ipg_path()
+
+
+if __name__ == "__main__":
+    mozunit.main()