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1 | #!/bin/sh | |
2 | # | |
3 | # Copyright (c) 2009, 2010 David Aguilar | |
4 | # | |
5 | ||
6 | test_description='git-difftool | |
7 | ||
8 | Testing basic diff tool invocation | |
9 | ' | |
10 | ||
11 | . ./test-lib.sh | |
12 | ||
13 | if ! test_have_prereq PERL; then | |
14 | skip_all='skipping difftool tests, perl not available' | |
15 | test_done | |
16 | fi | |
17 | ||
18 | LF=' | |
19 | ' | |
20 | ||
21 | remove_config_vars() | |
22 | { | |
23 | # Unset all config variables used by git-difftool | |
24 | git config --unset diff.tool | |
25 | git config --unset diff.guitool | |
26 | git config --unset difftool.test-tool.cmd | |
27 | git config --unset difftool.prompt | |
28 | git config --unset merge.tool | |
29 | git config --unset mergetool.test-tool.cmd | |
30 | git config --unset mergetool.prompt | |
31 | return 0 | |
32 | } | |
33 | ||
34 | restore_test_defaults() | |
35 | { | |
36 | # Restores the test defaults used by several tests | |
37 | remove_config_vars | |
38 | unset GIT_DIFF_TOOL | |
39 | unset GIT_DIFFTOOL_PROMPT | |
40 | unset GIT_DIFFTOOL_NO_PROMPT | |
41 | git config diff.tool test-tool && | |
42 | git config difftool.test-tool.cmd 'cat $LOCAL' | |
43 | git config difftool.bogus-tool.cmd false | |
44 | } | |
45 | ||
46 | prompt_given() | |
47 | { | |
48 | prompt="$1" | |
49 | test "$prompt" = "Hit return to launch 'test-tool': branch" | |
50 | } | |
51 | ||
52 | # Create a file on master and change it on branch | |
53 | test_expect_success 'setup' ' | |
54 | echo master >file && | |
55 | git add file && | |
56 | git commit -m "added file" && | |
57 | ||
58 | git checkout -b branch master && | |
59 | echo branch >file && | |
60 | git commit -a -m "branch changed file" && | |
61 | git checkout master | |
62 | ' | |
63 | ||
64 | # Configure a custom difftool.<tool>.cmd and use it | |
65 | test_expect_success 'custom commands' ' | |
66 | restore_test_defaults && | |
67 | git config difftool.test-tool.cmd "cat \$REMOTE" && | |
68 | ||
69 | diff=$(git difftool --no-prompt branch) && | |
70 | test "$diff" = "master" && | |
71 | ||
72 | restore_test_defaults && | |
73 | diff=$(git difftool --no-prompt branch) && | |
74 | test "$diff" = "branch" | |
75 | ' | |
76 | ||
77 | # Ensures that git-difftool ignores bogus --tool values | |
78 | test_expect_success 'difftool ignores bad --tool values' ' | |
79 | diff=$(git difftool --no-prompt --tool=bad-tool branch) | |
80 | test "$?" = 1 && | |
81 | test "$diff" = "" | |
82 | ' | |
83 | ||
84 | test_expect_success 'difftool honors --gui' ' | |
85 | git config merge.tool bogus-tool && | |
86 | git config diff.tool bogus-tool && | |
87 | git config diff.guitool test-tool && | |
88 | ||
89 | diff=$(git difftool --no-prompt --gui branch) && | |
90 | test "$diff" = "branch" && | |
91 | ||
92 | restore_test_defaults | |
93 | ' | |
94 | ||
95 | test_expect_success 'difftool --gui works without configured diff.guitool' ' | |
96 | git config diff.tool test-tool && | |
97 | ||
98 | diff=$(git difftool --no-prompt --gui branch) && | |
99 | test "$diff" = "branch" && | |
100 | ||
101 | restore_test_defaults | |
102 | ' | |
103 | ||
104 | # Specify the diff tool using $GIT_DIFF_TOOL | |
105 | test_expect_success 'GIT_DIFF_TOOL variable' ' | |
106 | git config --unset diff.tool | |
107 | GIT_DIFF_TOOL=test-tool && | |
108 | export GIT_DIFF_TOOL && | |
109 | ||
110 | diff=$(git difftool --no-prompt branch) && | |
111 | test "$diff" = "branch" && | |
112 | ||
113 | restore_test_defaults | |
114 | ' | |
115 | ||
116 | # Test the $GIT_*_TOOL variables and ensure | |
117 | # that $GIT_DIFF_TOOL always wins unless --tool is specified | |
118 | test_expect_success 'GIT_DIFF_TOOL overrides' ' | |
119 | git config diff.tool bogus-tool && | |
120 | git config merge.tool bogus-tool && | |
121 | ||
122 | GIT_DIFF_TOOL=test-tool && | |
123 | export GIT_DIFF_TOOL && | |
124 | ||
125 | diff=$(git difftool --no-prompt branch) && | |
126 | test "$diff" = "branch" && | |
127 | ||
128 | GIT_DIFF_TOOL=bogus-tool && | |
129 | export GIT_DIFF_TOOL && | |
130 | ||
131 | diff=$(git difftool --no-prompt --tool=test-tool branch) && | |
132 | test "$diff" = "branch" && | |
133 | ||
134 | restore_test_defaults | |
135 | ' | |
136 | ||
137 | # Test that we don't have to pass --no-prompt to difftool | |
138 | # when $GIT_DIFFTOOL_NO_PROMPT is true | |
139 | test_expect_success 'GIT_DIFFTOOL_NO_PROMPT variable' ' | |
140 | GIT_DIFFTOOL_NO_PROMPT=true && | |
141 | export GIT_DIFFTOOL_NO_PROMPT && | |
142 | ||
143 | diff=$(git difftool branch) && | |
144 | test "$diff" = "branch" && | |
145 | ||
146 | restore_test_defaults | |
147 | ' | |
148 | ||
149 | # git-difftool supports the difftool.prompt variable. | |
150 | # Test that GIT_DIFFTOOL_PROMPT can override difftool.prompt = false | |
151 | test_expect_success 'GIT_DIFFTOOL_PROMPT variable' ' | |
152 | git config difftool.prompt false && | |
153 | GIT_DIFFTOOL_PROMPT=true && | |
154 | export GIT_DIFFTOOL_PROMPT && | |
155 | ||
156 | prompt=$(echo | git difftool branch | tail -1) && | |
157 | prompt_given "$prompt" && | |
158 | ||
159 | restore_test_defaults | |
160 | ' | |
161 | ||
162 | # Test that we don't have to pass --no-prompt when difftool.prompt is false | |
163 | test_expect_success 'difftool.prompt config variable is false' ' | |
164 | git config difftool.prompt false && | |
165 | ||
166 | diff=$(git difftool branch) && | |
167 | test "$diff" = "branch" && | |
168 | ||
169 | restore_test_defaults | |
170 | ' | |
171 | ||
172 | # Test that we don't have to pass --no-prompt when mergetool.prompt is false | |
173 | test_expect_success 'difftool merge.prompt = false' ' | |
174 | git config --unset difftool.prompt | |
175 | git config mergetool.prompt false && | |
176 | ||
177 | diff=$(git difftool branch) && | |
178 | test "$diff" = "branch" && | |
179 | ||
180 | restore_test_defaults | |
181 | ' | |
182 | ||
183 | # Test that the -y flag can override difftool.prompt = true | |
184 | test_expect_success 'difftool.prompt can overridden with -y' ' | |
185 | git config difftool.prompt true && | |
186 | ||
187 | diff=$(git difftool -y branch) && | |
188 | test "$diff" = "branch" && | |
189 | ||
190 | restore_test_defaults | |
191 | ' | |
192 | ||
193 | # Test that the --prompt flag can override difftool.prompt = false | |
194 | test_expect_success 'difftool.prompt can overridden with --prompt' ' | |
195 | git config difftool.prompt false && | |
196 | ||
197 | prompt=$(echo | git difftool --prompt branch | tail -1) && | |
198 | prompt_given "$prompt" && | |
199 | ||
200 | restore_test_defaults | |
201 | ' | |
202 | ||
203 | # Test that the last flag passed on the command-line wins | |
204 | test_expect_success 'difftool last flag wins' ' | |
205 | diff=$(git difftool --prompt --no-prompt branch) && | |
206 | test "$diff" = "branch" && | |
207 | ||
208 | restore_test_defaults && | |
209 | ||
210 | prompt=$(echo | git difftool --no-prompt --prompt branch | tail -1) && | |
211 | prompt_given "$prompt" && | |
212 | ||
213 | restore_test_defaults | |
214 | ' | |
215 | ||
216 | # git-difftool falls back to git-mergetool config variables | |
217 | # so test that behavior here | |
218 | test_expect_success 'difftool + mergetool config variables' ' | |
219 | remove_config_vars | |
220 | git config merge.tool test-tool && | |
221 | git config mergetool.test-tool.cmd "cat \$LOCAL" && | |
222 | ||
223 | diff=$(git difftool --no-prompt branch) && | |
224 | test "$diff" = "branch" && | |
225 | ||
226 | # set merge.tool to something bogus, diff.tool to test-tool | |
227 | git config merge.tool bogus-tool && | |
228 | git config diff.tool test-tool && | |
229 | ||
230 | diff=$(git difftool --no-prompt branch) && | |
231 | test "$diff" = "branch" && | |
232 | ||
233 | restore_test_defaults | |
234 | ' | |
235 | ||
236 | test_expect_success 'difftool.<tool>.path' ' | |
237 | git config difftool.tkdiff.path echo && | |
238 | diff=$(git difftool --tool=tkdiff --no-prompt branch) && | |
239 | git config --unset difftool.tkdiff.path && | |
240 | lines=$(echo "$diff" | grep file | wc -l) && | |
241 | test "$lines" -eq 1 && | |
242 | ||
243 | restore_test_defaults | |
244 | ' | |
245 | ||
246 | test_expect_success 'difftool --extcmd=cat' ' | |
247 | diff=$(git difftool --no-prompt --extcmd=cat branch) && | |
248 | test "$diff" = branch"$LF"master | |
249 | ' | |
250 | ||
251 | test_expect_success 'difftool --extcmd cat' ' | |
252 | diff=$(git difftool --no-prompt --extcmd cat branch) && | |
253 | test "$diff" = branch"$LF"master | |
254 | ' | |
255 | ||
256 | test_expect_success 'difftool -x cat' ' | |
257 | diff=$(git difftool --no-prompt -x cat branch) && | |
258 | test "$diff" = branch"$LF"master | |
259 | ' | |
260 | ||
261 | test_expect_success 'difftool --extcmd echo arg1' ' | |
262 | diff=$(git difftool --no-prompt --extcmd sh\ -c\ \"echo\ \$1\" branch) | |
263 | test "$diff" = file | |
264 | ' | |
265 | ||
266 | test_expect_success 'difftool --extcmd cat arg1' ' | |
267 | diff=$(git difftool --no-prompt --extcmd sh\ -c\ \"cat\ \$1\" branch) | |
268 | test "$diff" = master | |
269 | ' | |
270 | ||
271 | test_expect_success 'difftool --extcmd cat arg2' ' | |
272 | diff=$(git difftool --no-prompt --extcmd sh\ -c\ \"cat\ \$2\" branch) | |
273 | test "$diff" = branch | |
274 | ' | |
275 | ||
276 | test_done |