#8858 write tests for ProviderManager and some related refactorings

13 files changed, 250 insertions, 31 deletions

diff --git a/app/src/main/java/se/leap/bitmaskclient/ConfigHelper.java b/app/src/main/java/se/leap/bitmaskclient/ConfigHelper.java
index a52df460..083f4da3 100644
--- a/app/src/main/java/se/leap/bitmaskclient/ConfigHelper.java
+++ b/app/src/main/java/se/leap/bitmaskclient/ConfigHelper.java
@@ -27,6 +27,8 @@ import org.spongycastle.util.encoders.Base64;
 
 import java.io.BufferedReader;
 import java.io.ByteArrayInputStream;
+import java.io.FileInputStream;
+import java.io.FileNotFoundException;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.InputStreamReader;
@@ -47,9 +49,11 @@ import java.security.interfaces.RSAPrivateKey;
 import java.security.spec.InvalidKeySpecException;
 import java.security.spec.PKCS8EncodedKeySpec;
 import java.util.ArrayList;
+import java.util.HashSet;
 import java.util.List;
 import java.util.Locale;
 import java.util.Map;
+import java.util.Set;
 
 import static android.R.attr.name;
 import static se.leap.bitmaskclient.Constants.PREFERENCES_APP_VERSION;
@@ -125,36 +129,14 @@ public class ConfigHelper {
         return (X509Certificate) certificate;
     }
 
+    public static String loadInputStreamAsString(java.io.InputStream is) {
+        java.util.Scanner s = new java.util.Scanner(is).useDelimiter("\\A");
+        return s.hasNext() ? s.next() : "";
+    }
 
-    public static String loadInputStreamAsString(InputStream inputStream) {
-        BufferedReader in = null;
-        try {
-            StringBuilder buf = new StringBuilder();
-            in = new BufferedReader(new InputStreamReader(inputStream));
-
-            String str;
-            boolean isFirst = true;
-            while ( (str = in.readLine()) != null ) {
-                if (isFirst)
-                    isFirst = false;
-                else
-                    buf.append('\n');
-                buf.append(str);
-            }
-            return buf.toString();
-        } catch (IOException e) {
-            Log.e(TAG, "Error opening asset " + name);
-        } finally {
-            if (in != null) {
-                try {
-                    in.close();
-                } catch (IOException e) {
-                    Log.e(TAG, "Error closing asset " + name);
-                }
-            }
-        }
-
-        return null;
+    //allows us to mock FileInputStream
+    public static InputStream getInputStreamFrom(String filePath) throws FileNotFoundException {
+        return new FileInputStream(filePath);
     }
 
     protected static RSAPrivateKey parseRsaKeyFromString(String rsaKeyString) {
diff --git a/app/src/main/java/se/leap/bitmaskclient/ProviderManager.java b/app/src/main/java/se/leap/bitmaskclient/ProviderManager.java
index b625c336..97ba3b98 100644
--- a/app/src/main/java/se/leap/bitmaskclient/ProviderManager.java
+++ b/app/src/main/java/se/leap/bitmaskclient/ProviderManager.java
@@ -107,7 +107,7 @@ public class ProviderManager implements AdapteeCollection<Provider> {
         Set<Provider> providers = new HashSet<>();
         try {
             for (String file : files) {
-                String mainUrl = extractMainUrlFromInputStream(new FileInputStream(externalFilesDir.getAbsolutePath() + "/" + file));
+                String mainUrl = extractMainUrlFromInputStream(ConfigHelper.getInputStreamFrom(externalFilesDir.getAbsolutePath() + "/" + file));
                 providers.add(new Provider(new URL(mainUrl)));
             }
         } catch (MalformedURLException | FileNotFoundException e) {
@@ -219,6 +219,7 @@ public class ProviderManager implements AdapteeCollection<Provider> {
         defaultProviderURLs.clear();
     }
 
+    //FIXME: removed custom providers should be deleted here as well
     void saveCustomProvidersToFile() {
         try {
             for (Provider provider : customProviders) {
diff --git a/app/src/test/java/se/leap/bitmaskclient/testutils/MockHelper.java b/app/src/test/java/se/leap/bitmaskclient/testutils/MockHelper.java
index c2362c7b..d85b050f 100644
--- a/app/src/test/java/se/leap/bitmaskclient/testutils/MockHelper.java
+++ b/app/src/test/java/se/leap/bitmaskclient/testutils/MockHelper.java
@@ -14,6 +14,7 @@ import org.json.JSONObject;
 import org.mockito.invocation.InvocationOnMock;
 import org.mockito.stubbing.Answer;
 
+import java.io.FileNotFoundException;
 import java.io.IOException;
 import java.io.InputStream;
 import java.security.NoSuchAlgorithmException;
@@ -29,7 +30,6 @@ import java.util.Set;
 
 import okhttp3.OkHttpClient;
 import se.leap.bitmaskclient.ConfigHelper;
-import se.leap.bitmaskclient.Constants;
 import se.leap.bitmaskclient.OkHttpClientGenerator;
 import se.leap.bitmaskclient.Provider;
 import se.leap.bitmaskclient.R;
@@ -343,6 +343,18 @@ public class MockHelper {
         return resultReceiver;
     }
 
+    public static void mockConfigHelperForFileInputStream() throws FileNotFoundException {
+        mockStatic(ConfigHelper.class);
+        when(ConfigHelper.loadInputStreamAsString(any(InputStream.class))).thenCallRealMethod();
+        when(ConfigHelper.getInputStreamFrom(anyString())).thenAnswer(new Answer<InputStream>() {
+            @Override
+            public InputStream answer(InvocationOnMock invocation) throws Throwable {
+                String filename = (String) invocation.getArguments()[0];
+                return getClass().getClassLoader().getResourceAsStream(filename);
+            }
+        });
+    }
+
     public static void mockConfigHelper(String mockedFingerprint, final Provider providerFromPrefs) throws CertificateEncodingException, NoSuchAlgorithmException {
         // FIXME use MockSharedPreferences instead of provider
         mockStatic(ConfigHelper.class);
@@ -366,6 +378,7 @@ public class MockHelper {
         when(ConfigHelper.getFingerprintFromCertificate(any(X509Certificate.class), anyString())).thenReturn(mockedFingerprint);
         when(ConfigHelper.checkErroneousDownload(anyString())).thenCallRealMethod();
         when(ConfigHelper.parseX509CertificateFromString(anyString())).thenCallRealMethod();
+        when(ConfigHelper.loadInputStreamAsString(any(InputStream.class))).thenCallRealMethod();
     }
     public static void mockFingerprintForCertificate(String mockedFingerprint) throws CertificateEncodingException, NoSuchAlgorithmException {
         mockStatic(ConfigHelper.class);
diff --git a/app/src/test/resources/externalDir/leapcolombia.json b/app/src/test/resources/externalDir/leapcolombia.json
new file mode 100644
index 00000000..6820988c
--- /dev/null
+++ b/app/src/test/resources/externalDir/leapcolombia.json
@@ -0,0 +1,3 @@
+{
+	"main_url" : "https://leapcolombia.org"
+}
\ No newline at end of file
diff --git a/app/src/test/resources/preconfigured/calyx.net.json b/app/src/test/resources/preconfigured/calyx.net.json
new file mode 100644
index 00000000..30ab43c5
--- /dev/null
+++ b/app/src/test/resources/preconfigured/calyx.net.json
@@ -0,0 +1,37 @@
+{
+  "api_uri": "https://calyx.net:4430",
+  "api_version": "1",
+  "ca_cert_fingerprint": "SHA256: 43683c9ba3862c5384a8c1885072fcac40b5d2d4dd67331443f13a3077fa2e69",
+  "ca_cert_uri": "https://calyx.net/ca.crt",
+  "default_language": "en",
+  "description": {
+    "en": "Calyx Institute privacy focused ISP testbed"
+  },
+  "domain": "calyx.net",
+  "enrollment_policy": "open",
+  "languages": [
+    "en"
+  ],
+  "name": {
+    "en": "calyx"
+  },
+  "service": {
+    "allow_anonymous": false,
+    "allow_free": true,
+    "allow_limited_bandwidth": false,
+    "allow_paid": false,
+    "allow_registration": true,
+    "allow_unlimited_bandwidth": true,
+    "bandwidth_limit": 102400,
+    "default_service_level": 1,
+    "levels": {
+      "1": {
+        "description": "Please donate.",
+        "name": "free"
+      }
+    }
+  },
+  "services": [
+    "openvpn"
+  ]
+}
\ No newline at end of file
diff --git a/app/src/test/resources/preconfigured/calyx.net.pem b/app/src/test/resources/preconfigured/calyx.net.pem
new file mode 100644
index 00000000..cedb2e38
--- /dev/null
+++ b/app/src/test/resources/preconfigured/calyx.net.pem
@@ -0,0 +1,31 @@
+-----BEGIN CERTIFICATE-----
+MIIFYzCCA0ugAwIBAgIBATANBgkqhkiG9w0BAQ0FADBEMQ4wDAYDVQQKDAVjYWx5
+eDEaMBgGA1UECwwRaHR0cHM6Ly9jYWx5eC5uZXQxFjAUBgNVBAMMDWNhbHl4IFJv
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+Zqga1WyRm3Gj1j6IV0oOincYMrw5YA7bgXpwop/Lo/mmliMA14ps
+-----END CERTIFICATE-----
\ No newline at end of file
diff --git a/app/src/test/resources/preconfigured/demo.bitmask.net.json b/app/src/test/resources/preconfigured/demo.bitmask.net.json
new file mode 100644
index 00000000..e7fe6099
--- /dev/null
+++ b/app/src/test/resources/preconfigured/demo.bitmask.net.json
@@ -0,0 +1,42 @@
+{
+  "api_uri": "https://api.demo.bitmask.net:4430",
+  "api_version": "1",
+  "ca_cert_fingerprint": "SHA256: 0f17c033115f6b76ff67871872303ff65034efe7dd1b910062ca323eb4da5c7e",
+  "ca_cert_uri": "https://demo.bitmask.net/ca.crt",
+  "default_language": "en",
+  "description": {
+    "el": "demo.bitmask.net allows you to test the Bitmask application. User accounts may be periodically deleted.",
+    "en": "demo.bitmask.net allows you to test the Bitmask application. User accounts may be periodically deleted.",
+    "es": "demo.bitmask.net allows you to test the Bitmask application. User accounts may be periodically deleted."
+  },
+  "domain": "demo.bitmask.net",
+  "enrollment_policy": "open",
+  "languages": [
+    "de",
+    "en",
+    "es",
+    "pt"
+  ],
+  "name": {
+    "en": "Bitmask"
+  },
+  "service": {
+    "allow_anonymous": true,
+    "allow_free": true,
+    "allow_limited_bandwidth": false,
+    "allow_paid": false,
+    "allow_registration": true,
+    "allow_unlimited_bandwidth": true,
+    "bandwidth_limit": 102400,
+    "default_service_level": 1,
+    "levels": {
+      "1": {
+        "description": "Please donate.",
+        "name": "free"
+      }
+    }
+  },
+  "services": [
+    "openvpn"
+  ]
+}
\ No newline at end of file
diff --git a/app/src/test/resources/preconfigured/demo.bitmask.net.pem b/app/src/test/resources/preconfigured/demo.bitmask.net.pem
new file mode 100644
index 00000000..9a422161
--- /dev/null
+++ b/app/src/test/resources/preconfigured/demo.bitmask.net.pem
@@ -0,0 +1,32 @@
+-----BEGIN CERTIFICATE-----
+MIIFbzCCA1egAwIBAgIBATANBgkqhkiG9w0BAQ0FADBKMRgwFgYDVQQDDA9CaXRt
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+yV8e
+-----END CERTIFICATE-----
\ No newline at end of file
diff --git a/app/src/test/resources/preconfigured/riseup.net.json b/app/src/test/resources/preconfigured/riseup.net.json
new file mode 100644
index 00000000..9a5ec79e
--- /dev/null
+++ b/app/src/test/resources/preconfigured/riseup.net.json
@@ -0,0 +1,37 @@
+{
+  "api_uri": "https://api.black.riseup.net:443",
+  "api_version": "1",
+  "ca_cert_fingerprint": "SHA256: a5244308a1374709a9afce95e3ae47c1b44bc2398c0a70ccbf8b3a8a97f29494",
+  "ca_cert_uri": "https://black.riseup.net/ca.crt",
+  "default_language": "en",
+  "description": {
+    "en": "Riseup is a non-profit collective in Seattle that provides online communication tools for people and groups working toward liberatory social change."
+  },
+  "domain": "riseup.net",
+  "enrollment_policy": "open",
+  "languages": [
+    "en"
+  ],
+  "name": {
+    "en": "Riseup Networks"
+  },
+  "service": {
+    "allow_anonymous": false,
+    "allow_free": true,
+    "allow_limited_bandwidth": false,
+    "allow_paid": false,
+    "allow_registration": true,
+    "allow_unlimited_bandwidth": true,
+    "bandwidth_limit": 102400,
+    "default_service_level": 1,
+    "levels": {
+      "1": {
+        "description": "Please donate.",
+        "name": "free"
+      }
+    }
+  },
+  "services": [
+    "openvpn"
+  ]
+}
\ No newline at end of file
diff --git a/app/src/test/resources/preconfigured/riseup.net.pem b/app/src/test/resources/preconfigured/riseup.net.pem
new file mode 100644
index 00000000..c890aff4
--- /dev/null
+++ b/app/src/test/resources/preconfigured/riseup.net.pem
@@ -0,0 +1,32 @@
+-----BEGIN CERTIFICATE-----
+MIIFjTCCA3WgAwIBAgIBATANBgkqhkiG9w0BAQ0FADBZMRgwFgYDVQQKDA9SaXNl
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+4ZckuaL201F68YpiItBNnJ9N5nHr1MRiGyApHmLXY/wvlrOpclh95qn+lG6/2jk7
+3AmihLOKYMlPwPakJg4PYczm3icFLgTpjV5sq2md9bRyAg3oPGfAuWHmKj2Ikqch
+Td5CHKGxEEWbGUWEMP0s1A/JHWiCbDigc4Cfxhy56CWG4q0tYtnc2GMw8OAUO6Wf
+Xu5pYKNkzKSEtT/MrNJt44tTZWbKV/Pi/N2Fx36my7TgTUj7g3xcE9eF4JV2H/sg
+tsK3pwE0FEqGnT4qMFbixQmc8bGyuakr23wjMvfO7eZUxBuWYR2SkcP26sozF9PF
+tGhbZHQVGZUTVPyvwahMUEhbPGVerOW0IYpxkm0x/eaWdTc4vPpf/rIlgbAjarnJ
+UN9SaWRlWKSdP4haujnzCoJbM7dU9bjvlGZNyXEekgeT0W2qFeGGp+yyUWw8tNsp
+0BuC1b7uW/bBn/xKm319wXVDvBgZgcktMolak39V7DVO
+-----END CERTIFICATE-----
\ No newline at end of file
diff --git a/app/src/test/resources/preconfigured/urls/calyx.net.url b/app/src/test/resources/preconfigured/urls/calyx.net.url
new file mode 100644
index 00000000..807e9e18
--- /dev/null
+++ b/app/src/test/resources/preconfigured/urls/calyx.net.url
@@ -0,0 +1,3 @@
+{
+	"main_url" : "https://calyx.net"
+}
diff --git a/app/src/test/resources/preconfigured/urls/demo.bitmask.net.url b/app/src/test/resources/preconfigured/urls/demo.bitmask.net.url
new file mode 100644
index 00000000..0c4de648
--- /dev/null
+++ b/app/src/test/resources/preconfigured/urls/demo.bitmask.net.url
@@ -0,0 +1,3 @@
+{

+	"main_url" : "https://demo.bitmask.net"

+}

diff --git a/app/src/test/resources/preconfigured/urls/riseup.net.url b/app/src/test/resources/preconfigured/urls/riseup.net.url
new file mode 100644
index 00000000..42cdb979
--- /dev/null
+++ b/app/src/test/resources/preconfigured/urls/riseup.net.url
@@ -0,0 +1,3 @@
+{
+	"main_url" : "https://riseup.net"
+}