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58 package org.krysalis.barcode.cli;
59
60 import java.io.ByteArrayOutputStream  ;
61 import java.io.File ;
62 import java.io.PrintStream ;
63
64 import org.apache.avalon.framework.ExceptionUtil;
65 import org.krysalis.barcode.AbstractBarcodeTestCase;
66
67
71 public class CommandLineTestCase extends AbstractBarcodeTestCase {
72
73 private ByteArrayOutputStream out;
74 private ByteArrayOutputStream err;
75 private ExitHandlerForTests exitHandler;
76
77
80 public CommandLineTestCase(String name) {
81 super(name);
82 }
83
84 private void dumpResults() throws Exception {
85 System.out.println("Msg: " + this.exitHandler.getLastMsg());
86 System.out.println("Exit code: " + this.exitHandler.getLastExitCode());
87 if (this.exitHandler.getLastThrowable() != null) {
88 System.out.println(ExceptionUtil.printStackTrace(
89 this.exitHandler.getLastThrowable()));
90 }
91 System.out.println("--- stdout (" + this.out.size() + ") ---");
92 System.out.println(new String (this.out.toByteArray(), "US-ASCII"));
93 System.out.println("--- stderr (" + this.err.size() + ") ---");
94 System.out.println(new String (this.err.toByteArray(), "US-ASCII"));
95 System.out.println("---");
96 }
97
98 private void callCLI(String [] args) {
99 Main app = new Main();
100 try {
101 app.handleCommandLine(args);
102 } catch (SimulateVMExitError se) {
103 }
105 }
106
107
108 protected void setUp() throws Exception {
109 this.out = new ByteArrayOutputStream ();
110 this.err = new ByteArrayOutputStream ();
111 Main.stdout = new PrintStream (this.out);
112 Main.stderr = new PrintStream (this.err);
113 this.exitHandler = new ExitHandlerForTests();
114 Main.setExitHandler(this.exitHandler);
115 }
116
117 public void testSVG() throws Exception {
118 final String [] args = {"-s", "ean13", "9771422985503+00006"};
119 callCLI(args);
120 assertEquals("Exit code must be 0", 0, this.exitHandler.getLastExitCode());
121 assertNull(this.exitHandler.getLastMsg());
122 assertNull(this.exitHandler.getLastThrowable());
123 assertTrue("No output", this.out.size() > 0);
124 assertTrue("No output on stderr expected", this.err.size() == 0);
125 }
126
127 public void testEPS() throws Exception {
128 final String [] args = {"-s", "ean13", "-f", "eps", "9771422985503+00006"};
129 callCLI(args);
130 assertEquals("Exit code must be 0", 0, this.exitHandler.getLastExitCode());
131 assertNull(this.exitHandler.getLastMsg());
132 assertNull(this.exitHandler.getLastThrowable());
133 assertTrue("No output", this.out.size() > 0);
134 assertTrue("No output on stderr expected", this.err.size() == 0);
135 }
136
137 public void testBitmapJPEG() throws Exception {
138 final String [] args = {"-s", "ean13", "-f", "image/jpeg", "9771422985503+00006"};
139 callCLI(args);
140 assertEquals("Exit code must be 0", 0, this.exitHandler.getLastExitCode());
141 assertNull(this.exitHandler.getLastMsg());
142 assertNull(this.exitHandler.getLastThrowable());
143 assertTrue("No output", this.out.size() > 0);
144 assertTrue("No output on stderr expected", this.err.size() == 0);
145 }
146
147 public void testNoArgs() throws Exception {
148 final String [] args = new String [0];
149 callCLI(args);
150 assertEquals("Exit code must be -2", -2, this.exitHandler.getLastExitCode());
151 assertNotNull(this.exitHandler.getLastMsg());
152 assertNull(this.exitHandler.getLastThrowable());
153 assertTrue("CLI help expected on stdout", this.out.size() > 0);
154 assertTrue("Error message expected on stderr", this.err.size() > 0);
155 }
156
157 public void testUnknownArg() throws Exception {
158 final String [] args = {"--badArgument"};
159 callCLI(args);
160 assertEquals("Exit code must be -2", -2, this.exitHandler.getLastExitCode());
161 assertNotNull(this.exitHandler.getLastMsg());
162 assertNull(this.exitHandler.getLastThrowable());
163 assertTrue("CLI help expected on stdout", this.out.size() > 0);
164 assertTrue("Error message expected on stderr", this.err.size() > 0);
165 }
166
167 public void testWrongConfigFile() throws Exception {
168 final String [] args = {"-c", "NonExistingConfigFile", "9771422985503+00006"};
169 callCLI(args);
170 assertEquals("Exit code must be -3", -3, this.exitHandler.getLastExitCode());
171 assertNotNull(this.exitHandler.getLastMsg());
172 assertNull(this.exitHandler.getLastThrowable());
173 assertTrue("In case of error stdout may only be written to if there's "
174 + "a problem with the command-line", this.out.size() == 0);
175 assertTrue("Error message expected on stderr", this.err.size() > 0);
176 }
177
178 public void testValidConfigFile() throws Exception {
179 File cfgFile = new File (getBaseDir(), "src/test/xml/good-cfg.xml");
180 final String [] args = {"-c", cfgFile.getAbsolutePath(),
181 "9771422985503+00006"};
182 callCLI(args);
183 assertEquals("Exit code must be 0", 0, this.exitHandler.getLastExitCode());
184 }
185
186 public void testBadConfigFile() throws Exception {
187 File cfgFile = new File (getBaseDir(), "src/test/xml/bad-cfg.xml");
188 final String [] args = {"-c", cfgFile.getAbsolutePath(),
189 "9771422985503+00006"};
190 callCLI(args);
191 assertEquals("Exit code must be -3", -3, this.exitHandler.getLastExitCode());
192 assertNotNull(this.exitHandler.getLastMsg());
193 assertNotNull(this.exitHandler.getLastThrowable());
194 assertTrue("In case of error stdout may only be written to if there's "
195 + "a problem with the command-line", this.out.size() == 0);
196 assertTrue("Error message expected on stderr", this.err.size() > 0);
197 }
198
199 public void testToFile() throws Exception {
200 File out = File.createTempFile("krba", ".tmp");
201 final String [] args = {"-s", "ean-13", "-o", out.getAbsolutePath(),
202 "9771422985503+00006"};
203 callCLI(args);
204 assertEquals("Exit code must be 0", 0, this.exitHandler.getLastExitCode());
205 assertNull(this.exitHandler.getLastMsg());
206 assertNull(this.exitHandler.getLastThrowable());
207 assertTrue("Application header expected on stdout",
208 this.out.size() > 0);
209 assertTrue("No output expected on stderr", this.err.size() == 0);
210 assertTrue("Target file does not exist", out.exists());
211 assertTrue("Target file must not be empty", out.length() > 0);
212 if (!out.delete()) {
213 fail("Target file could not be deleted. Not closed?");
214 }
215 }
216
217 public void testDPI() throws Exception {
218 File out100 = File.createTempFile("krba", ".tmp");
219 final String [] args100 = {"-s", "ean-13",
220 "-o", out100.getAbsolutePath(),
221 "-f", "jpeg",
222 "-d", "100", "9771422985503+00006"};
223 callCLI(args100);
224 assertEquals("Exit code must be 0", 0, this.exitHandler.getLastExitCode());
225 assertTrue("Target file does not exist", out100.exists());
226
227 File out300 = File.createTempFile("krba", ".tmp");
228 final String [] args300 = {"-s", "ean-13",
229 "-o", out300.getAbsolutePath(),
230 "-f", "jpeg",
231 "--dpi", "300", "9771422985503+00006"};
232 callCLI(args300);
233 assertEquals("Exit code must be 0", 0, this.exitHandler.getLastExitCode());
234 assertTrue("Target file does not exist", out300.exists());
235
236 assertTrue("300dpi file must be greater than the 100dpi file",
237 out300.length() > out100.length());
238 if (!out100.delete()) {
239 fail("Target file could not be deleted. Not closed?");
240 }
241 if (!out300.delete()) {
242 fail("Target file could not be deleted. Not closed?");
243 }
244 }
245
246 }
247 |
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