Merge pull request #178 from eplanet/ut_cpu_temp

Unit testing some new cases

testcases/002-cpu-temp/expected_output.txt

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+T: 42 °C

testcases/002-cpu-temp/i3status.conf

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+general {
+        output_format = "none"
+}
+
+order = "cpu_temperature 0"
+
+cpu_temperature 0 {
+        format = "T: %degrees °C"
+        path = "testcases/002-cpu-temp/temp1_input"
+}

testcases/002-cpu-temp/temp1_input

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+42000

testcases/003-path-exists/expected_output.txt

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+EXISTING: yes | NONEXISTANT: no

testcases/003-path-exists/i3status.conf

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+general {
+        output_format = "none"
+}
+
+order += "path_exists EXISTING"
+order += "path_exists NONEXISTANT"
+
+path_exists EXISTING {
+        path = "testcases/003-path-exists"
+}
+
+path_exists NONEXISTANT {
+        path = "testcases/003-path-exists/nonexistant"
+}

testcases/004-run-watch/expected_output.txt

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